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virglrenderer/src/vrend_shader.c

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/**************************************************************************
*
* Copyright (C) 2014 Red Hat Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
#include "tgsi/tgsi_info.h"
#include "tgsi/tgsi_iterate.h"
#include "tgsi/tgsi_scan.h"
#include "util/u_memory.h"
#include "util/u_math.h"
#include <string.h>
#include <stdio.h>
#include <math.h>
#include <errno.h>
#include "vrend_shader.h"
extern int vrend_dump_shaders;
/* start convert of tgsi to glsl */
#define INTERP_PREFIX " "
#define INVARI_PREFIX "invariant"
#define SHADER_REQ_NONE 0
#define SHADER_REQ_SAMPLER_RECT (1 << 0)
#define SHADER_REQ_CUBE_ARRAY (1 << 1)
#define SHADER_REQ_INTS (1 << 2)
#define SHADER_REQ_SAMPLER_MS (1 << 3)
#define SHADER_REQ_INSTANCE_ID (1 << 4)
#define SHADER_REQ_LODQ (1 << 5)
#define SHADER_REQ_TXQ_LEVELS (1 << 6)
#define SHADER_REQ_TG4 (1 << 7)
#define SHADER_REQ_VIEWPORT_IDX (1 << 8)
#define SHADER_REQ_STENCIL_EXPORT (1 << 9)
#define SHADER_REQ_LAYER (1 << 10)
#define SHADER_REQ_SAMPLE_SHADING (1 << 11)
#define SHADER_REQ_GPU_SHADER5 (1 << 12)
#define SHADER_REQ_DERIVATIVE_CONTROL (1 << 13)
struct vrend_shader_io {
unsigned name;
unsigned gpr;
unsigned done;
int sid;
unsigned interpolate;
unsigned first;
bool centroid;
bool invariant;
bool glsl_predefined_no_emit;
bool glsl_no_index;
bool glsl_gl_in;
bool override_no_wm;
bool is_int;
char glsl_name[64];
unsigned stream;
};
struct vrend_shader_sampler {
int tgsi_sampler_type;
enum tgsi_return_type tgsi_sampler_return;
};
struct vrend_shader_table {
uint32_t key;
const char *string;
};
#define MAX_IMMEDIATE 1024
struct immed {
int type;
union imm {
uint32_t ui;
int32_t i;
float f;
} val[4];
};
struct vrend_temp_range {
int first;
int last;
int array_id;
};
struct dump_ctx {
struct tgsi_iterate_context iter;
struct vrend_shader_cfg *cfg;
struct tgsi_shader_info info;
int prog_type;
int size;
char *glsl_main;
uint instno;
int num_interps;
int num_inputs;
uint32_t attrib_input_mask;
struct vrend_shader_io inputs[35];
int num_outputs;
struct vrend_shader_io outputs[35];
int num_system_values;
struct vrend_shader_io system_values[32];
int num_temp_ranges;
struct vrend_temp_range *temp_ranges;
struct vrend_shader_sampler samplers[32];
uint32_t samplers_used;
bool sviews_used;
struct vrend_sampler_array *sampler_arrays;
int num_sampler_arrays;
int last_sampler_array_idx;
int num_consts;
int num_imm;
struct immed imm[MAX_IMMEDIATE];
unsigned fragcoord_input;
int num_ubo;
int ubo_idx[32];
int ubo_sizes[32];
int num_address;
uint32_t shader_req_bits;
struct pipe_stream_output_info *so;
char **so_names;
bool write_so_outputs[PIPE_MAX_SO_OUTPUTS];
bool uses_sampler_buf;
bool write_all_cbufs;
uint32_t shadow_samp_mask;
int fs_coord_origin, fs_pixel_center;
int gs_in_prim, gs_out_prim, gs_max_out_verts;
int gs_num_invocations;
struct vrend_shader_key *key;
int indent_level;
int num_in_clip_dist;
int num_clip_dist;
int glsl_ver_required;
int color_in_mask;
/* only used when cull is enabled */
uint8_t num_cull_dist_prop, num_clip_dist_prop;
bool front_face_emitted;
bool has_clipvertex;
bool has_clipvertex_so;
bool vs_has_pervertex;
bool write_mul_temp;
};
static const struct vrend_shader_table shader_req_table[] = {
{ SHADER_REQ_SAMPLER_RECT, "GL_ARB_texture_rectangle" },
{ SHADER_REQ_CUBE_ARRAY, "GL_ARB_texture_cube_map_array" },
{ SHADER_REQ_INTS, "GL_ARB_shader_bit_encoding" },
{ SHADER_REQ_SAMPLER_MS, "GL_ARB_texture_multisample" },
{ SHADER_REQ_INSTANCE_ID, "GL_ARB_draw_instanced" },
{ SHADER_REQ_LODQ, "GL_ARB_texture_query_lod" },
{ SHADER_REQ_TXQ_LEVELS, "GL_ARB_texture_query_levels" },
{ SHADER_REQ_TG4, "GL_ARB_texture_gather" },
{ SHADER_REQ_VIEWPORT_IDX, "GL_ARB_viewport_array" },
{ SHADER_REQ_STENCIL_EXPORT, "GL_ARB_shader_stencil_export" },
{ SHADER_REQ_LAYER, "GL_ARB_fragment_layer_viewport" },
{ SHADER_REQ_SAMPLE_SHADING, "GL_ARB_sample_shading" },
{ SHADER_REQ_GPU_SHADER5, "GL_ARB_gpu_shader5" },
{ SHADER_REQ_DERIVATIVE_CONTROL, "GL_ARB_derivative_control" },
};
enum vrend_type_qualifier {
TYPE_CONVERSION_NONE = 0,
FLOAT = 1,
VEC2 = 2,
VEC3 = 3,
VEC4 = 4,
INT = 5,
IVEC2 = 6,
IVEC3 = 7,
IVEC4 = 8,
UINT = 9,
UVEC2 = 10,
UVEC3 = 11,
UVEC4 = 12,
FLOAT_BITS_TO_UINT = 13,
UINT_BITS_TO_FLOAT = 14,
FLOAT_BITS_TO_INT = 15,
INT_BITS_TO_FLOAT = 16,
};
static const struct vrend_shader_table conversion_table[] =
{
{TYPE_CONVERSION_NONE, ""},
{FLOAT, "float"},
{VEC2, "vec2"},
{VEC3, "vec3"},
{VEC4, "vec4"},
{INT, "int"},
{IVEC2, "ivec2"},
{IVEC3, "ivec3"},
{IVEC4, "ivec4"},
{UINT, "uint"},
{UVEC2, "uvec2"},
{UVEC3, "uvec3"},
{UVEC4, "uvec4"},
{FLOAT_BITS_TO_UINT, "floatBitsToUint"},
{UINT_BITS_TO_FLOAT, "uintBitsToFloat"},
{FLOAT_BITS_TO_INT, "floatBitsToInt"},
{INT_BITS_TO_FLOAT, "intBitsToFloat"},
};
static inline const char *get_string(enum vrend_type_qualifier key)
{
if (key >= ARRAY_SIZE(conversion_table)) {
printf("Unable to find the correct conversion\n");
return conversion_table[TYPE_CONVERSION_NONE].string;
}
return conversion_table[key].string;
}
static inline const char *tgsi_proc_to_prefix(int shader_type)
{
switch (shader_type) {
case TGSI_PROCESSOR_VERTEX: return "vs";
case TGSI_PROCESSOR_FRAGMENT: return "fs";
case TGSI_PROCESSOR_GEOMETRY: return "gs";
default:
return NULL;
};
}
static inline const char *prim_to_name(int prim)
{
switch (prim) {
case PIPE_PRIM_POINTS: return "points";
case PIPE_PRIM_LINES: return "lines";
case PIPE_PRIM_LINE_STRIP: return "line_strip";
case PIPE_PRIM_LINES_ADJACENCY: return "lines_adjacency";
case PIPE_PRIM_TRIANGLES: return "triangles";
case PIPE_PRIM_TRIANGLE_STRIP: return "triangle_strip";
case PIPE_PRIM_TRIANGLES_ADJACENCY: return "triangles_adjacency";
default: return "UNKNOWN";
};
}
static inline int gs_input_prim_to_size(int prim)
{
switch (prim) {
case PIPE_PRIM_POINTS: return 1;
case PIPE_PRIM_LINES: return 2;
case PIPE_PRIM_LINES_ADJACENCY: return 4;
case PIPE_PRIM_TRIANGLES: return 3;
case PIPE_PRIM_TRIANGLES_ADJACENCY: return 6;
default: return -1;
};
}
static inline bool fs_emit_layout(struct dump_ctx *ctx)
{
if (ctx->fs_pixel_center)
return true;
/* if coord origin is 0 and invert is 0 - emit origin_upper_left,
if coord_origin is 0 and invert is 1 - emit nothing (lower)
if coord origin is 1 and invert is 0 - emit nothing (lower)
if coord_origin is 1 and invert is 1 - emit origin upper left */
if (!(ctx->fs_coord_origin ^ ctx->key->invert_fs_origin))
return true;
return false;
}
static const char *get_stage_input_name_prefix(struct dump_ctx *ctx, int processor)
{
const char *name_prefix;
switch (processor) {
case TGSI_PROCESSOR_FRAGMENT:
if (ctx->key->gs_present)
name_prefix = "gso";
else
name_prefix = "vso";
break;
case TGSI_PROCESSOR_GEOMETRY:
name_prefix = "vso";
break;
case TGSI_PROCESSOR_VERTEX:
default:
name_prefix = "in";
break;
}
return name_prefix;
}
static const char *get_stage_output_name_prefix(int processor)
{
const char *name_prefix;
switch (processor) {
case TGSI_PROCESSOR_FRAGMENT:
name_prefix = "fsout";
break;
case TGSI_PROCESSOR_GEOMETRY:
name_prefix = "gso";
break;
case TGSI_PROCESSOR_VERTEX:
name_prefix = "vso";
break;
default:
name_prefix = "out";
break;
}
return name_prefix;
}
static void require_glsl_ver(struct dump_ctx *ctx, int glsl_ver)
{
if (glsl_ver > ctx->glsl_ver_required)
ctx->glsl_ver_required = glsl_ver;
}
static char *strcat_realloc(char *str, const char *catstr)
{
char *new = realloc(str, strlen(str) + strlen(catstr) + 1);
if (!new) {
free(str);
return NULL;
}
strcat(new, catstr);
return new;
}
static char *add_str_to_glsl_main(struct dump_ctx *ctx, const char *buf)
{
ctx->glsl_main = strcat_realloc(ctx->glsl_main, buf);
return ctx->glsl_main;
}
static int allocate_temp_range(struct dump_ctx *ctx, int first, int last,
int array_id)
{
int idx = ctx->num_temp_ranges;
ctx->temp_ranges = realloc(ctx->temp_ranges, sizeof(struct vrend_temp_range) * (idx + 1));
if (!ctx->temp_ranges)
return ENOMEM;
ctx->temp_ranges[idx].first = first;
ctx->temp_ranges[idx].last = last;
ctx->temp_ranges[idx].array_id = array_id;
ctx->num_temp_ranges++;
return 0;
}
static struct vrend_temp_range *find_temp_range(struct dump_ctx *ctx, int index)
{
int i;
for (i = 0; i < ctx->num_temp_ranges; i++) {
if (index >= ctx->temp_ranges[i].first &&
index <= ctx->temp_ranges[i].last)
return &ctx->temp_ranges[i];
}
return NULL;
}
static int add_sampler_array(struct dump_ctx *ctx, int first, int last, int sview_type, int sview_rtype)
{
int idx = ctx->num_sampler_arrays;
ctx->num_sampler_arrays++;
ctx->sampler_arrays = realloc(ctx->sampler_arrays, sizeof(struct vrend_sampler_array) * ctx->num_sampler_arrays);
if (!ctx->sampler_arrays)
return -1;
ctx->sampler_arrays[idx].first = first;
ctx->sampler_arrays[idx].last = last;
ctx->sampler_arrays[idx].idx = idx;
ctx->sampler_arrays[idx].sview_type = sview_type;
ctx->sampler_arrays[idx].sview_rtype = sview_rtype;
return idx;
}
static int lookup_sampler_array(struct dump_ctx *ctx, int index)
{
int i;
for (i = 0; i < ctx->num_sampler_arrays; i++) {
if (index >= ctx->sampler_arrays[i].first &&
index <= ctx->sampler_arrays[i].last) {
return ctx->sampler_arrays[i].idx;
}
}
return -1;
}
int shader_lookup_sampler_array(struct vrend_shader_info *sinfo, int index)
{
int i;
for (i = 0; i < sinfo->num_sampler_arrays; i++) {
if (index >= sinfo->sampler_arrays[i].first &&
index <= sinfo->sampler_arrays[i].last) {
return sinfo->sampler_arrays[i].idx;
}
}
return -1;
}
static boolean
iter_declaration(struct tgsi_iterate_context *iter,
struct tgsi_full_declaration *decl )
{
struct dump_ctx *ctx = (struct dump_ctx *)iter;
int i;
int color_offset = 0;
const char *name_prefix = "";
bool add_two_side = false;
switch (decl->Declaration.File) {
case TGSI_FILE_INPUT:
i = ctx->num_inputs++;
if (ctx->num_inputs > ARRAY_SIZE(ctx->inputs)) {
fprintf(stderr, "Number of inputs exceeded, max is %lu\n", ARRAY_SIZE(ctx->inputs));
return FALSE;
}
if (iter->processor.Processor == TGSI_PROCESSOR_VERTEX) {
ctx->attrib_input_mask |= (1 << decl->Range.First);
}
ctx->inputs[i].name = decl->Semantic.Name;
ctx->inputs[i].sid = decl->Semantic.Index;
ctx->inputs[i].interpolate = decl->Interp.Interpolate;
ctx->inputs[i].centroid = decl->Interp.Location == TGSI_INTERPOLATE_LOC_CENTROID;
ctx->inputs[i].first = decl->Range.First;
ctx->inputs[i].glsl_predefined_no_emit = false;
ctx->inputs[i].glsl_no_index = false;
ctx->inputs[i].override_no_wm = false;
ctx->inputs[i].glsl_gl_in = false;
switch (ctx->inputs[i].name) {
case TGSI_SEMANTIC_COLOR:
if (iter->processor.Processor == TGSI_PROCESSOR_FRAGMENT) {
if (ctx->glsl_ver_required < 140) {
if (decl->Semantic.Index == 0)
name_prefix = "gl_Color";
else if (decl->Semantic.Index == 1)
name_prefix = "gl_SecondaryColor";
else
fprintf(stderr, "got illegal color semantic index %d\n", decl->Semantic.Index);
ctx->inputs[i].glsl_no_index = true;
} else {
if (ctx->key->color_two_side) {
int j = ctx->num_inputs++;
if (ctx->num_inputs > ARRAY_SIZE(ctx->inputs)) {
fprintf(stderr, "Number of inputs exceeded, max is %lu\n", ARRAY_SIZE(ctx->inputs));
return FALSE;
}
ctx->inputs[j].name = TGSI_SEMANTIC_BCOLOR;
ctx->inputs[j].sid = decl->Semantic.Index;
ctx->inputs[j].interpolate = decl->Interp.Interpolate;
ctx->inputs[j].first = decl->Range.First;
ctx->inputs[j].glsl_predefined_no_emit = false;
ctx->inputs[j].glsl_no_index = false;
ctx->inputs[j].override_no_wm = false;
ctx->color_in_mask |= (1 << decl->Semantic.Index);
if (ctx->front_face_emitted == false) {
int k = ctx->num_inputs++;
if (ctx->num_inputs > ARRAY_SIZE(ctx->inputs)) {
fprintf(stderr, "Number of inputs exceeded, max is %lu\n", ARRAY_SIZE(ctx->inputs));
return FALSE;
}
ctx->inputs[k].name = TGSI_SEMANTIC_FACE;
ctx->inputs[k].sid = 0;
ctx->inputs[k].interpolate = 0;
ctx->inputs[k].centroid = 0;
ctx->inputs[k].first = 0;
ctx->inputs[k].override_no_wm = false;
ctx->inputs[k].glsl_predefined_no_emit = true;
ctx->inputs[k].glsl_no_index = true;
}
add_two_side = true;
}
name_prefix = "ex";
}
break;
}
/* fallthrough */
case TGSI_SEMANTIC_PRIMID:
if (iter->processor.Processor == TGSI_PROCESSOR_GEOMETRY) {
name_prefix = "gl_PrimitiveIDIn";
ctx->inputs[i].glsl_predefined_no_emit = true;
ctx->inputs[i].glsl_no_index = true;
ctx->inputs[i].override_no_wm = true;
ctx->shader_req_bits |= SHADER_REQ_INTS;
break;
} else if (iter->processor.Processor == TGSI_PROCESSOR_FRAGMENT) {
name_prefix = "gl_PrimitiveID";
ctx->inputs[i].glsl_predefined_no_emit = true;
ctx->inputs[i].glsl_no_index = true;
require_glsl_ver(ctx, 150);
break;
}
case TGSI_SEMANTIC_VIEWPORT_INDEX:
if (iter->processor.Processor == TGSI_PROCESSOR_FRAGMENT) {
ctx->inputs[i].glsl_predefined_no_emit = true;
ctx->inputs[i].glsl_no_index = true;
ctx->inputs[i].is_int = true;
ctx->inputs[i].override_no_wm = true;
name_prefix = "gl_ViewportIndex";
if (ctx->glsl_ver_required >= 140)
ctx->shader_req_bits |= SHADER_REQ_LAYER;
break;
}
case TGSI_SEMANTIC_LAYER:
if (iter->processor.Processor == TGSI_PROCESSOR_FRAGMENT) {
name_prefix = "gl_Layer";
ctx->inputs[i].glsl_predefined_no_emit = true;
ctx->inputs[i].glsl_no_index = true;
ctx->inputs[i].is_int = true;
ctx->inputs[i].override_no_wm = true;
ctx->shader_req_bits |= SHADER_REQ_LAYER;
break;
}
case TGSI_SEMANTIC_PSIZE:
if (iter->processor.Processor == TGSI_PROCESSOR_GEOMETRY) {
name_prefix = "gl_PointSize";
ctx->inputs[i].glsl_predefined_no_emit = true;
ctx->inputs[i].glsl_no_index = true;
ctx->inputs[i].override_no_wm = true;
ctx->inputs[i].glsl_gl_in = true;
break;
}
case TGSI_SEMANTIC_CLIPDIST:
if (iter->processor.Processor == TGSI_PROCESSOR_GEOMETRY) {
name_prefix = "gl_ClipDistance";
ctx->inputs[i].glsl_predefined_no_emit = true;
ctx->inputs[i].glsl_no_index = true;
ctx->inputs[i].glsl_gl_in = true;
ctx->num_in_clip_dist += 4;
break;
} else if (iter->processor.Processor == TGSI_PROCESSOR_FRAGMENT) {
name_prefix = "gl_ClipDistance";
ctx->inputs[i].glsl_predefined_no_emit = true;
ctx->inputs[i].glsl_no_index = true;
ctx->num_in_clip_dist += 4;
break;
}
case TGSI_SEMANTIC_POSITION:
if (iter->processor.Processor == TGSI_PROCESSOR_GEOMETRY) {
name_prefix = "gl_Position";
ctx->inputs[i].glsl_predefined_no_emit = true;
ctx->inputs[i].glsl_no_index = true;
ctx->inputs[i].glsl_gl_in = true;
break;
} else if (iter->processor.Processor == TGSI_PROCESSOR_FRAGMENT) {
name_prefix = "gl_FragCoord";
ctx->inputs[i].glsl_predefined_no_emit = true;
ctx->inputs[i].glsl_no_index = true;
break;
}
/* fallthrough for vertex shader */
case TGSI_SEMANTIC_FACE:
if (iter->processor.Processor == TGSI_PROCESSOR_FRAGMENT) {
if (ctx->front_face_emitted) {
ctx->num_inputs--;
return TRUE;
}
name_prefix = "gl_FrontFacing";
ctx->inputs[i].glsl_predefined_no_emit = true;
ctx->inputs[i].glsl_no_index = true;
ctx->front_face_emitted = true;
break;
}
case TGSI_SEMANTIC_GENERIC:
if (iter->processor.Processor == TGSI_PROCESSOR_FRAGMENT) {
if (ctx->key->coord_replace & (1 << ctx->inputs[i].sid)) {
if (ctx->cfg->use_gles)
name_prefix = "vec4(gl_PointCoord.x, 1.0 - gl_PointCoord.y, 0.0, 1.0)";
else
name_prefix = "vec4(gl_PointCoord, 0.0, 1.0)";
ctx->inputs[i].glsl_predefined_no_emit = true;
ctx->inputs[i].glsl_no_index = true;
break;
}
}
default:
name_prefix = get_stage_input_name_prefix(ctx, iter->processor.Processor);
break;
}
if (ctx->inputs[i].glsl_no_index)
snprintf(ctx->inputs[i].glsl_name, 64, "%s", name_prefix);
else {
if (ctx->inputs[i].name == TGSI_SEMANTIC_FOG)
snprintf(ctx->inputs[i].glsl_name, 64, "%s_f%d", name_prefix, ctx->inputs[i].sid);
else if (ctx->inputs[i].name == TGSI_SEMANTIC_COLOR)
snprintf(ctx->inputs[i].glsl_name, 64, "%s_c%d", name_prefix, ctx->inputs[i].sid);
else if (ctx->inputs[i].name == TGSI_SEMANTIC_GENERIC)
snprintf(ctx->inputs[i].glsl_name, 64, "%s_g%d", name_prefix, ctx->inputs[i].sid);
else
snprintf(ctx->inputs[i].glsl_name, 64, "%s_%d", name_prefix, ctx->inputs[i].first);
}
if (add_two_side) {
snprintf(ctx->inputs[i + 1].glsl_name, 64, "%s_bc%d", name_prefix, ctx->inputs[i + 1].sid);
if (!ctx->front_face_emitted) {
snprintf(ctx->inputs[i + 2].glsl_name, 64, "%s", "gl_FrontFacing");
ctx->front_face_emitted = true;
}
}
break;
case TGSI_FILE_OUTPUT:
i = ctx->num_outputs++;
if (ctx->num_outputs > ARRAY_SIZE(ctx->outputs)) {
fprintf(stderr, "Number of outputs exceeded, max is %lu\n", ARRAY_SIZE(ctx->outputs));
return FALSE;
}
ctx->outputs[i].name = decl->Semantic.Name;
ctx->outputs[i].sid = decl->Semantic.Index;
ctx->outputs[i].interpolate = decl->Interp.Interpolate;
ctx->outputs[i].invariant = decl->Declaration.Invariant;
ctx->outputs[i].first = decl->Range.First;
ctx->outputs[i].glsl_predefined_no_emit = false;
ctx->outputs[i].glsl_no_index = false;
ctx->outputs[i].override_no_wm = false;
ctx->outputs[i].is_int = false;
switch (ctx->outputs[i].name) {
case TGSI_SEMANTIC_POSITION:
if (iter->processor.Processor == TGSI_PROCESSOR_VERTEX ||
iter->processor.Processor == TGSI_PROCESSOR_GEOMETRY) {
if (ctx->outputs[i].first > 0)
fprintf(stderr,"Illegal position input\n");
name_prefix = "gl_Position";
ctx->outputs[i].glsl_predefined_no_emit = true;
ctx->outputs[i].glsl_no_index = true;
} else if (iter->processor.Processor == TGSI_PROCESSOR_FRAGMENT) {
name_prefix = "gl_FragDepth";
ctx->outputs[i].glsl_predefined_no_emit = true;
ctx->outputs[i].glsl_no_index = true;
ctx->outputs[i].override_no_wm = true;
}
break;
case TGSI_SEMANTIC_STENCIL:
if (iter->processor.Processor == TGSI_PROCESSOR_FRAGMENT) {
name_prefix = "gl_FragStencilRefARB";
ctx->outputs[i].glsl_predefined_no_emit = true;
ctx->outputs[i].glsl_no_index = true;
ctx->outputs[i].override_no_wm = true;
ctx->outputs[i].is_int = true;
ctx->shader_req_bits |= (SHADER_REQ_INTS | SHADER_REQ_STENCIL_EXPORT);
}
break;
case TGSI_SEMANTIC_CLIPDIST:
name_prefix = "gl_ClipDistance";
ctx->outputs[i].glsl_predefined_no_emit = true;
ctx->outputs[i].glsl_no_index = true;
ctx->num_clip_dist += 4;
if (iter->processor.Processor == TGSI_PROCESSOR_VERTEX &&
ctx->key->gs_present)
require_glsl_ver(ctx, 150);
break;
case TGSI_SEMANTIC_CLIPVERTEX:
name_prefix = "gl_ClipVertex";
ctx->outputs[i].glsl_predefined_no_emit = true;
ctx->outputs[i].glsl_no_index = true;
ctx->outputs[i].override_no_wm = true;
if (ctx->glsl_ver_required >= 140)
ctx->has_clipvertex = true;
break;
case TGSI_SEMANTIC_SAMPLEMASK:
if (iter->processor.Processor == TGSI_PROCESSOR_FRAGMENT) {
ctx->outputs[i].glsl_predefined_no_emit = true;
ctx->outputs[i].glsl_no_index = true;
ctx->outputs[i].override_no_wm = true;
ctx->outputs[i].is_int = true;
ctx->shader_req_bits |= (SHADER_REQ_INTS | SHADER_REQ_SAMPLE_SHADING);
name_prefix = "gl_SampleMask";
break;
}
break;
case TGSI_SEMANTIC_COLOR:
if (iter->processor.Processor == TGSI_PROCESSOR_VERTEX) {
if (ctx->glsl_ver_required < 140) {
ctx->outputs[i].glsl_no_index = true;
if (ctx->outputs[i].sid == 0)
name_prefix = "gl_FrontColor";
else if (ctx->outputs[i].sid == 1)
name_prefix = "gl_FrontSecondaryColor";
} else
name_prefix = "ex";
break;
}
case TGSI_SEMANTIC_BCOLOR:
if (iter->processor.Processor == TGSI_PROCESSOR_VERTEX) {
if (ctx->glsl_ver_required < 140) {
ctx->outputs[i].glsl_no_index = true;
if (ctx->outputs[i].sid == 0)
name_prefix = "gl_BackColor";
else if (ctx->outputs[i].sid == 1)
name_prefix = "gl_BackSecondaryColor";
break;
} else
name_prefix = "ex";
break;
}
case TGSI_SEMANTIC_PSIZE:
if (iter->processor.Processor == TGSI_PROCESSOR_VERTEX) {
ctx->outputs[i].glsl_predefined_no_emit = true;
ctx->outputs[i].glsl_no_index = true;
ctx->outputs[i].override_no_wm = true;
name_prefix = "gl_PointSize";
break;
} else if (iter->processor.Processor == TGSI_PROCESSOR_GEOMETRY) {
ctx->outputs[i].glsl_predefined_no_emit = true;
ctx->outputs[i].glsl_no_index = true;
ctx->outputs[i].override_no_wm = true;
name_prefix = "gl_PointSize";
break;
}
case TGSI_SEMANTIC_LAYER:
if (iter->processor.Processor == TGSI_PROCESSOR_GEOMETRY) {
ctx->outputs[i].glsl_predefined_no_emit = true;
ctx->outputs[i].glsl_no_index = true;
ctx->outputs[i].override_no_wm = true;
ctx->outputs[i].is_int = true;
name_prefix = "gl_Layer";
break;
}
case TGSI_SEMANTIC_PRIMID:
if (iter->processor.Processor == TGSI_PROCESSOR_GEOMETRY) {
ctx->outputs[i].glsl_predefined_no_emit = true;
ctx->outputs[i].glsl_no_index = true;
ctx->outputs[i].override_no_wm = true;
ctx->outputs[i].is_int = true;
name_prefix = "gl_PrimitiveID";
break;
}
case TGSI_SEMANTIC_VIEWPORT_INDEX:
if (iter->processor.Processor == TGSI_PROCESSOR_GEOMETRY) {
ctx->outputs[i].glsl_predefined_no_emit = true;
ctx->outputs[i].glsl_no_index = true;
ctx->outputs[i].override_no_wm = true;
ctx->outputs[i].is_int = true;
name_prefix = "gl_ViewportIndex";
if (ctx->glsl_ver_required >= 140)
ctx->shader_req_bits |= SHADER_REQ_VIEWPORT_IDX;
break;
}
case TGSI_SEMANTIC_GENERIC:
if (iter->processor.Processor == TGSI_PROCESSOR_VERTEX)
if (ctx->outputs[i].name == TGSI_SEMANTIC_GENERIC)
color_offset = -1;
default:
name_prefix = get_stage_output_name_prefix(iter->processor.Processor);
break;
}
if (ctx->outputs[i].glsl_no_index)
snprintf(ctx->outputs[i].glsl_name, 64, "%s", name_prefix);
else {
if (ctx->outputs[i].name == TGSI_SEMANTIC_FOG)
snprintf(ctx->outputs[i].glsl_name, 64, "%s_f%d", name_prefix, ctx->outputs[i].sid);
else if (ctx->outputs[i].name == TGSI_SEMANTIC_COLOR)
snprintf(ctx->outputs[i].glsl_name, 64, "%s_c%d", name_prefix, ctx->outputs[i].sid);
else if (ctx->outputs[i].name == TGSI_SEMANTIC_BCOLOR)
snprintf(ctx->outputs[i].glsl_name, 64, "%s_bc%d", name_prefix, ctx->outputs[i].sid);
else if (ctx->outputs[i].name == TGSI_SEMANTIC_GENERIC)
snprintf(ctx->outputs[i].glsl_name, 64, "%s_g%d", name_prefix, ctx->outputs[i].sid);
else
snprintf(ctx->outputs[i].glsl_name, 64, "%s_%d", name_prefix, ctx->outputs[i].first + color_offset);
}
break;
case TGSI_FILE_TEMPORARY:
if (allocate_temp_range(ctx, decl->Range.First, decl->Range.Last,
decl->Array.ArrayID))
return FALSE;
break;
case TGSI_FILE_SAMPLER:
ctx->samplers_used |= (1 << decl->Range.Last);
break;
case TGSI_FILE_SAMPLER_VIEW:
if (decl->Range.First >= ARRAY_SIZE(ctx->samplers)) {
fprintf(stderr, "Sampler view exceeded, max is %lu\n", ARRAY_SIZE(ctx->samplers));
return FALSE;
}
ctx->samplers[decl->Range.First].tgsi_sampler_return = decl->SamplerView.ReturnTypeX;
if (ctx->info.indirect_files & (1 << TGSI_FILE_SAMPLER)) {
if (ctx->last_sampler_array_idx != -1) {
if (ctx->sampler_arrays[ctx->last_sampler_array_idx].sview_type == decl->SamplerView.Resource &&
ctx->sampler_arrays[ctx->last_sampler_array_idx].sview_rtype == decl->SamplerView.ReturnTypeX) {
ctx->sampler_arrays[ctx->last_sampler_array_idx].last = decl->Range.Last + 1;
} else {
ctx->last_sampler_array_idx = add_sampler_array(ctx, decl->Range.First, decl->Range.Last + 1, decl->SamplerView.Resource, decl->SamplerView.ReturnTypeX);
}
} else {
ctx->last_sampler_array_idx = add_sampler_array(ctx, decl->Range.First, decl->Range.Last + 1, decl->SamplerView.Resource, decl->SamplerView.ReturnTypeX);
}
} else
ctx->sviews_used = true;
break;
case TGSI_FILE_CONSTANT:
if (decl->Declaration.Dimension) {
if (ctx->num_ubo >= ARRAY_SIZE(ctx->ubo_idx)) {
fprintf(stderr, "Number of uniforms exceeded, max is %lu\n", ARRAY_SIZE(ctx->ubo_idx));
return FALSE;
}
ctx->ubo_idx[ctx->num_ubo] = decl->Dim.Index2D;
ctx->ubo_sizes[ctx->num_ubo] = decl->Range.Last + 1;
ctx->num_ubo++;
} else {
if (decl->Range.Last) {
if (decl->Range.Last + 1 > ctx->num_consts)
ctx->num_consts = decl->Range.Last + 1;
} else
ctx->num_consts++;
}
break;
case TGSI_FILE_ADDRESS:
ctx->num_address = decl->Range.Last + 1;
break;
case TGSI_FILE_SYSTEM_VALUE:
i = ctx->num_system_values++;
if (ctx->num_system_values > ARRAY_SIZE(ctx->system_values)) {
fprintf(stderr, "Number of system values exceeded, max is %lu\n", ARRAY_SIZE(ctx->system_values));
return FALSE;
}
ctx->system_values[i].name = decl->Semantic.Name;
ctx->system_values[i].sid = decl->Semantic.Index;
ctx->system_values[i].glsl_predefined_no_emit = true;
ctx->system_values[i].glsl_no_index = true;
ctx->system_values[i].override_no_wm = true;
ctx->system_values[i].first = decl->Range.First;
if (decl->Semantic.Name == TGSI_SEMANTIC_INSTANCEID) {
name_prefix = "gl_InstanceID";
ctx->shader_req_bits |= SHADER_REQ_INSTANCE_ID;
} else if (decl->Semantic.Name == TGSI_SEMANTIC_VERTEXID) {
name_prefix = "gl_VertexID";
ctx->shader_req_bits |= SHADER_REQ_INTS;
} else if (decl->Semantic.Name == TGSI_SEMANTIC_SAMPLEID) {
name_prefix = "gl_SampleID";
ctx->shader_req_bits |= (SHADER_REQ_SAMPLE_SHADING | SHADER_REQ_INTS);
} else if (decl->Semantic.Name == TGSI_SEMANTIC_SAMPLEPOS) {
name_prefix = "gl_SamplePosition";
ctx->shader_req_bits |= SHADER_REQ_SAMPLE_SHADING;
} else if (decl->Semantic.Name == TGSI_SEMANTIC_INVOCATIONID) {
name_prefix = "gl_InvocationID";
ctx->shader_req_bits |= (SHADER_REQ_INTS | SHADER_REQ_GPU_SHADER5);
} else if (decl->Semantic.Name == TGSI_SEMANTIC_SAMPLEMASK) {
name_prefix = "gl_SampleMaskIn[0]";
ctx->shader_req_bits |= (SHADER_REQ_INTS | SHADER_REQ_GPU_SHADER5);
} else if (decl->Semantic.Name == TGSI_SEMANTIC_PRIMID) {
name_prefix = "gl_PrimitiveID";
ctx->shader_req_bits |= (SHADER_REQ_INTS | SHADER_REQ_GPU_SHADER5);
} else {
fprintf(stderr, "unsupported system value %d\n", decl->Semantic.Name);
name_prefix = "unknown";
}
snprintf(ctx->system_values[i].glsl_name, 64, "%s", name_prefix);
break;
default:
fprintf(stderr,"unsupported file %d declaration\n", decl->Declaration.File);
break;
}
return TRUE;
}
static boolean
iter_property(struct tgsi_iterate_context *iter,
struct tgsi_full_property *prop)
{
struct dump_ctx *ctx = (struct dump_ctx *) iter;
if (prop->Property.PropertyName == TGSI_PROPERTY_FS_COLOR0_WRITES_ALL_CBUFS) {
if (prop->u[0].Data == 1)
ctx->write_all_cbufs = true;
}
if (prop->Property.PropertyName == TGSI_PROPERTY_FS_COORD_ORIGIN) {
ctx->fs_coord_origin = prop->u[0].Data;
}
if (prop->Property.PropertyName == TGSI_PROPERTY_FS_COORD_PIXEL_CENTER) {
ctx->fs_pixel_center = prop->u[0].Data;
}
if (prop->Property.PropertyName == TGSI_PROPERTY_GS_INPUT_PRIM) {
ctx->gs_in_prim = prop->u[0].Data;
}
if (prop->Property.PropertyName == TGSI_PROPERTY_GS_OUTPUT_PRIM) {
ctx->gs_out_prim = prop->u[0].Data;
}
if (prop->Property.PropertyName == TGSI_PROPERTY_GS_MAX_OUTPUT_VERTICES) {
ctx->gs_max_out_verts = prop->u[0].Data;
}
if (prop->Property.PropertyName == TGSI_PROPERTY_GS_INVOCATIONS) {
ctx->gs_num_invocations = prop->u[0].Data;
}
if (prop->Property.PropertyName == TGSI_PROPERTY_NUM_CLIPDIST_ENABLED) {
ctx->num_clip_dist_prop = prop->u[0].Data;
}
if (prop->Property.PropertyName == TGSI_PROPERTY_NUM_CULLDIST_ENABLED) {
ctx->num_cull_dist_prop = prop->u[0].Data;
}
return TRUE;
}
static boolean
iter_immediate(
struct tgsi_iterate_context *iter,
struct tgsi_full_immediate *imm )
{
struct dump_ctx *ctx = (struct dump_ctx *) iter;
int i;
int first = ctx->num_imm;
if (first >= ARRAY_SIZE(ctx->imm)) {
fprintf(stderr, "Number of immediates exceeded, max is: %lu\n", ARRAY_SIZE(ctx->imm));
return FALSE;
}
ctx->imm[first].type = imm->Immediate.DataType;
for (i = 0; i < 4; i++) {
if (imm->Immediate.DataType == TGSI_IMM_FLOAT32) {
ctx->imm[first].val[i].f = imm->u[i].Float;
} else if (imm->Immediate.DataType == TGSI_IMM_UINT32) {
ctx->shader_req_bits |= SHADER_REQ_INTS;
ctx->imm[first].val[i].ui = imm->u[i].Uint;
} else if (imm->Immediate.DataType == TGSI_IMM_INT32) {
ctx->shader_req_bits |= SHADER_REQ_INTS;
ctx->imm[first].val[i].i = imm->u[i].Int;
}
}
ctx->num_imm++;
return TRUE;
}
static char get_swiz_char(int swiz)
{
switch(swiz){
case TGSI_SWIZZLE_X: return 'x';
case TGSI_SWIZZLE_Y: return 'y';
case TGSI_SWIZZLE_Z: return 'z';
case TGSI_SWIZZLE_W: return 'w';
default: return 0;
}
}
static int emit_cbuf_writes(struct dump_ctx *ctx)
{
char buf[255];
int i;
char *sret;
for (i = 1; i < 8; i++) {
snprintf(buf, 255, "fsout_c%d = fsout_c0;\n", i);
sret = add_str_to_glsl_main(ctx, buf);
if (!sret)
return ENOMEM;
}
return 0;
}
static int emit_a8_swizzle(struct dump_ctx *ctx)
{
char buf[255];
char *sret;
snprintf(buf, 255, "fsout_c0.x = fsout_c0.w;\n");
sret = add_str_to_glsl_main(ctx, buf);
if (!sret)
return ENOMEM;
return 0;
}
static const char *atests[PIPE_FUNC_ALWAYS + 1] = {
"false",
"<",
"==",
"<=",
">",
"!=",
">=",
"true"
};
static int emit_alpha_test(struct dump_ctx *ctx)
{
char buf[255];
char comp_buf[128];
char *sret;
if (!ctx->num_outputs)
return 0;
if (!ctx->write_all_cbufs) {
/* only emit alpha stanza if first output is 0 */
if (ctx->outputs[0].sid != 0)
return 0;
}
switch (ctx->key->alpha_test) {
case PIPE_FUNC_NEVER:
case PIPE_FUNC_ALWAYS:
snprintf(comp_buf, 128, "%s", atests[ctx->key->alpha_test]);
break;
case PIPE_FUNC_LESS:
case PIPE_FUNC_EQUAL:
case PIPE_FUNC_LEQUAL:
case PIPE_FUNC_GREATER:
case PIPE_FUNC_NOTEQUAL:
case PIPE_FUNC_GEQUAL:
snprintf(comp_buf, 128, "%s %s %f", "fsout_c0.w", atests[ctx->key->alpha_test], ctx->key->alpha_ref_val);
break;
default:
fprintf(stderr, "invalid alpha-test: %x\n", ctx->key->alpha_test);
return EINVAL;
}
snprintf(buf, 255, "if (!(%s)) {\n\tdiscard;\n}\n", comp_buf);
sret = add_str_to_glsl_main(ctx, buf);
if (!sret)
return ENOMEM;
return 0;
}
static int emit_pstipple_pass(struct dump_ctx *ctx)
{
char buf[255];
char *sret;
snprintf(buf, 255, "stip_temp = texture(pstipple_sampler, vec2(gl_FragCoord.x / 32, gl_FragCoord.y / 32)).x;\n");
sret = add_str_to_glsl_main(ctx, buf);
if (!sret)
return ENOMEM;
snprintf(buf, 255, "if (stip_temp > 0) {\n\tdiscard;\n}\n");
sret = add_str_to_glsl_main(ctx, buf);
return sret ? 0 : ENOMEM;
}
static int emit_color_select(struct dump_ctx *ctx)
{
char buf[255];
char *sret = NULL;
if (!ctx->key->color_two_side || !(ctx->color_in_mask & 0x3))
return 0;
if (ctx->color_in_mask & 1) {
snprintf(buf, 255, "realcolor0 = gl_FrontFacing ? ex_c0 : ex_bc0;\n");
sret = add_str_to_glsl_main(ctx, buf);
}
if (ctx->color_in_mask & 2) {
snprintf(buf, 255, "realcolor1 = gl_FrontFacing ? ex_c1 : ex_bc1;\n");
sret = add_str_to_glsl_main(ctx, buf);
}
return sret ? 0 : ENOMEM;
}
static int emit_prescale(struct dump_ctx *ctx)
{
char buf[255];
char *sret;
snprintf(buf, 255, "gl_Position.y = gl_Position.y * winsys_adjust_y;\n");
sret = add_str_to_glsl_main(ctx, buf);
if (!sret)
return ENOMEM;
return 0;
}
static int prepare_so_movs(struct dump_ctx *ctx)
{
int i;
for (i = 0; i < ctx->so->num_outputs; i++) {
ctx->write_so_outputs[i] = true;
if (ctx->so->output[i].start_component != 0)
continue;
if (ctx->so->output[i].num_components != 4)
continue;
if (ctx->outputs[ctx->so->output[i].register_index].name == TGSI_SEMANTIC_CLIPDIST)
continue;
if (ctx->outputs[ctx->so->output[i].register_index].name == TGSI_SEMANTIC_POSITION)
continue;
ctx->outputs[ctx->so->output[i].register_index].stream = ctx->so->output[i].stream;
if (ctx->prog_type == TGSI_PROCESSOR_GEOMETRY && ctx->so->output[i].stream)
ctx->shader_req_bits |= SHADER_REQ_GPU_SHADER5;
ctx->write_so_outputs[i] = false;
}
return 0;
}
static int emit_so_movs(struct dump_ctx *ctx)
{
char buf[255];
int i, j;
char outtype[15] = {0};
char writemask[6];
char *sret;
if (ctx->so->num_outputs >= PIPE_MAX_SO_OUTPUTS) {
fprintf(stderr, "Num outputs exceeded, max is %u\n", PIPE_MAX_SO_OUTPUTS);
return EINVAL;
}
for (i = 0; i < ctx->so->num_outputs; i++) {
if (ctx->so->output[i].start_component != 0) {
int wm_idx = 0;
writemask[wm_idx++] = '.';
for (j = 0; j < ctx->so->output[i].num_components; j++) {
unsigned idx = ctx->so->output[i].start_component + j;
if (idx >= 4)
break;
if (idx <= 2)
writemask[wm_idx++] = 'x' + idx;
else
writemask[wm_idx++] = 'w';
}
writemask[wm_idx] = '\0';
} else
writemask[0] = 0;
if (!ctx->write_so_outputs[i]) {
if (ctx->so->output[i].register_index > ctx->num_outputs)
ctx->so_names[i] = NULL;
else if (ctx->outputs[ctx->so->output[i].register_index].name == TGSI_SEMANTIC_CLIPVERTEX && ctx->has_clipvertex) {
ctx->so_names[i] = strdup("clipv_tmp");
ctx->has_clipvertex_so = true;
} else
ctx->so_names[i] = strdup(ctx->outputs[ctx->so->output[i].register_index].glsl_name);
} else {
char ntemp[8];
snprintf(ntemp, 8, "tfout%d", i);
ctx->so_names[i] = strdup(ntemp);
}
if (ctx->so->output[i].num_components == 1) {
if (ctx->outputs[ctx->so->output[i].register_index].is_int)
snprintf(outtype, 15, "intBitsToFloat");
else
snprintf(outtype, 15, "float");
} else
snprintf(outtype, 15, "vec%d", ctx->so->output[i].num_components);
if (ctx->so->output[i].register_index >= 255)
continue;
buf[0] = 0;
if (ctx->outputs[ctx->so->output[i].register_index].name == TGSI_SEMANTIC_CLIPDIST) {
snprintf(buf, 255, "tfout%d = %s(clip_dist_temp[%d]%s);\n", i, outtype, ctx->outputs[ctx->so->output[i].register_index].sid,
writemask);
} else {
if (ctx->write_so_outputs[i])
snprintf(buf, 255, "tfout%d = %s(%s%s);\n", i, outtype, ctx->outputs[ctx->so->output[i].register_index].glsl_name, writemask);
}
sret = add_str_to_glsl_main(ctx, buf);
if (!sret)
return ENOMEM;
}
return 0;
}
static int emit_clip_dist_movs(struct dump_ctx *ctx)
{
char buf[255];
int i;
char *sret;
bool has_prop = (ctx->num_clip_dist_prop + ctx->num_cull_dist_prop) > 0;
int ndists;
if (ctx->num_clip_dist == 0 && ctx->key->clip_plane_enable) {
for (i = 0; i < 8; i++) {
snprintf(buf, 255, "gl_ClipDistance[%d] = dot(%s, clipp[%d]);\n", i, ctx->has_clipvertex ? "clipv_tmp" : "gl_Position", i);
sret = add_str_to_glsl_main(ctx, buf);
if (!sret)
return ENOMEM;
}
return 0;
}
ndists = ctx->num_clip_dist;
if (has_prop)
ndists = ctx->num_clip_dist_prop + ctx->num_cull_dist_prop;
for (i = 0; i < ndists; i++) {
int clipidx = i < 4 ? 0 : 1;
char swiz = i & 3;
char wm = 0;
switch (swiz) {
case 0: wm = 'x'; break;
case 1: wm = 'y'; break;
case 2: wm = 'z'; break;
case 3: wm = 'w'; break;
default:
return EINVAL;
}
bool is_cull = false;
if (has_prop) {
if (i >= ctx->num_clip_dist_prop && i < ctx->num_clip_dist_prop + ctx->num_cull_dist_prop)
is_cull = true;
}
const char *clip_cull = is_cull ? "Cull" : "Clip";
snprintf(buf, 255, "gl_%sDistance[%d] = clip_dist_temp[%d].%c;\n", clip_cull,
is_cull ? i - ctx->num_clip_dist_prop : i, clipidx, wm);
sret = add_str_to_glsl_main(ctx, buf);
if (!sret)
return ENOMEM;
}
return 0;
}
#define emit_arit_op2(op) snprintf(buf, 255, "%s = %s(%s((%s %s %s))%s);\n", dsts[0], get_string(dstconv), get_string(dtypeprefix), srcs[0], op, srcs[1], writemask)
#define emit_op1(op) snprintf(buf, 255, "%s = %s(%s(%s(%s))%s);\n", dsts[0], get_string(dstconv), get_string(dtypeprefix), op, srcs[0], writemask)
#define emit_compare(op) snprintf(buf, 255, "%s = %s(%s((%s(%s(%s), %s(%s))))%s);\n", dsts[0], get_string(dstconv), get_string(dtypeprefix), op, get_string(svec4), srcs[0], get_string(svec4), srcs[1], writemask)
#define emit_ucompare(op) snprintf(buf, 255, "%s = %s(uintBitsToFloat(%s(%s(%s(%s), %s(%s))%s) * %s(0xffffffff)));\n", dsts[0], get_string(dstconv), get_string(udstconv), op, get_string(svec4), srcs[0], get_string(svec4), srcs[1], writemask, get_string(udstconv))
static int emit_buf(struct dump_ctx *ctx, const char *buf)
{
int i;
char *sret;
for (i = 0; i < ctx->indent_level; i++) {
sret = add_str_to_glsl_main(ctx, "\t");
if (!sret)
return ENOMEM;
}
sret = add_str_to_glsl_main(ctx, buf);
return sret ? 0 : ENOMEM;
}
#define EMIT_BUF_WITH_RET(ctx, buf) do { \
int _ret = emit_buf((ctx), (buf)); \
if (_ret) return FALSE; \
} while(0)
static int handle_vertex_proc_exit(struct dump_ctx *ctx)
{
if (ctx->so && !ctx->key->gs_present) {
if (emit_so_movs(ctx))
return FALSE;
}
if (emit_clip_dist_movs(ctx))
return FALSE;
if (!ctx->key->gs_present) {
if (emit_prescale(ctx))
return FALSE;
}
return TRUE;
}
static int handle_fragment_proc_exit(struct dump_ctx *ctx)
{
if (ctx->key->pstipple_tex) {
if (emit_pstipple_pass(ctx))
return FALSE;
}
if (ctx->key->cbufs_are_a8_bitmask) {
if (emit_a8_swizzle(ctx))
return FALSE;
}
if (ctx->key->add_alpha_test) {
if (emit_alpha_test(ctx))
return FALSE;
}
if (ctx->write_all_cbufs) {
if (emit_cbuf_writes(ctx))
return FALSE;
}
return TRUE;
}
static int translate_tex(struct dump_ctx *ctx,
struct tgsi_full_instruction *inst,
int sreg_index,
char srcs[4][255],
char dsts[3][255],
const char *writemask,
const char *dstconv,
bool dst0_override_no_wm,
bool tg4_has_component)
{
const char *twm = "", *gwm = NULL, *txfi;
const char *dtypeprefix = "";
bool is_shad = false;
char buf[512];
char offbuf[128] = {0};
char bias[128] = {0};
int sampler_index;
const char *tex_ext;
if (sreg_index >= ARRAY_SIZE(ctx->samplers)) {
fprintf(stderr, "Sampler view exceeded, max is %lu\n", ARRAY_SIZE(ctx->samplers));
return FALSE;
}
ctx->samplers[sreg_index].tgsi_sampler_type = inst->Texture.Texture;
if (inst->Instruction.Opcode == TGSI_OPCODE_TXQ) {
dtypeprefix = "intBitsToFloat";
} else {
switch (ctx->samplers[sreg_index].tgsi_sampler_return) {
case TGSI_RETURN_TYPE_SINT:
/* if dstconv isn't an int */
if (strcmp(dstconv, "int"))
dtypeprefix = "intBitsToFloat";
break;
case TGSI_RETURN_TYPE_UINT:
/* if dstconv isn't an int */
if (strcmp(dstconv, "int"))
dtypeprefix = "uintBitsToFloat";
break;
default:
break;
}
}
switch (inst->Texture.Texture) {
case TGSI_TEXTURE_1D:
case TGSI_TEXTURE_2D:
case TGSI_TEXTURE_3D:
case TGSI_TEXTURE_CUBE:
case TGSI_TEXTURE_1D_ARRAY:
case TGSI_TEXTURE_2D_ARRAY:
break;
case TGSI_TEXTURE_SHADOWCUBE_ARRAY:
is_shad = true;
case TGSI_TEXTURE_CUBE_ARRAY:
ctx->shader_req_bits |= SHADER_REQ_CUBE_ARRAY;
break;
case TGSI_TEXTURE_2D_MSAA:
case TGSI_TEXTURE_2D_ARRAY_MSAA:
ctx->shader_req_bits |= SHADER_REQ_SAMPLER_MS;
break;
case TGSI_TEXTURE_BUFFER:
ctx->uses_sampler_buf = true;
break;
case TGSI_TEXTURE_SHADOWRECT:
is_shad = true;
case TGSI_TEXTURE_RECT:
ctx->shader_req_bits |= SHADER_REQ_SAMPLER_RECT;
break;
case TGSI_TEXTURE_SHADOW1D:
case TGSI_TEXTURE_SHADOW2D:
case TGSI_TEXTURE_SHADOWCUBE:
case TGSI_TEXTURE_SHADOW1D_ARRAY:
case TGSI_TEXTURE_SHADOW2D_ARRAY:
is_shad = true;
break;
default:
fprintf(stderr, "unhandled texture: %x\n", inst->Texture.Texture);
return false;
}
if (ctx->cfg->glsl_version >= 140)
if ((ctx->shader_req_bits & SHADER_REQ_SAMPLER_RECT) || ctx->uses_sampler_buf)
require_glsl_ver(ctx, 140);
sampler_index = 1;
if (inst->Instruction.Opcode == TGSI_OPCODE_LODQ)
ctx->shader_req_bits |= SHADER_REQ_LODQ;
if (inst->Instruction.Opcode == TGSI_OPCODE_TXQ) {
/* no lod parameter for txq for these */
if (inst->Texture.Texture != TGSI_TEXTURE_RECT &&
inst->Texture.Texture != TGSI_TEXTURE_SHADOWRECT &&
inst->Texture.Texture != TGSI_TEXTURE_BUFFER &&
inst->Texture.Texture != TGSI_TEXTURE_2D_MSAA &&
inst->Texture.Texture != TGSI_TEXTURE_2D_ARRAY_MSAA)
snprintf(bias, 128, ", int(%s.w)", srcs[0]);
/* need to emit a textureQueryLevels */
if (inst->Dst[0].Register.WriteMask & 0x8) {
if (inst->Texture.Texture != TGSI_TEXTURE_BUFFER &&
inst->Texture.Texture != TGSI_TEXTURE_RECT &&
inst->Texture.Texture != TGSI_TEXTURE_2D_MSAA &&
inst->Texture.Texture != TGSI_TEXTURE_2D_ARRAY_MSAA) {
ctx->shader_req_bits |= SHADER_REQ_TXQ_LEVELS;
if (inst->Dst[0].Register.WriteMask & 0x7)
twm = ".w";
snprintf(buf, 255, "%s%s = %s(textureQueryLevels(%s));\n", dsts[0], twm, dtypeprefix, srcs[sampler_index]);
EMIT_BUF_WITH_RET(ctx, buf);
}
if (inst->Dst[0].Register.WriteMask & 0x7) {
switch (inst->Texture.Texture) {
case TGSI_TEXTURE_1D:
case TGSI_TEXTURE_BUFFER:
case TGSI_TEXTURE_SHADOW1D:
twm = ".x";
break;
case TGSI_TEXTURE_1D_ARRAY:
case TGSI_TEXTURE_SHADOW1D_ARRAY:
case TGSI_TEXTURE_2D:
case TGSI_TEXTURE_SHADOW2D:
case TGSI_TEXTURE_RECT:
case TGSI_TEXTURE_SHADOWRECT:
case TGSI_TEXTURE_CUBE:
case TGSI_TEXTURE_SHADOWCUBE:
case TGSI_TEXTURE_2D_MSAA:
twm = ".xy";
break;
case TGSI_TEXTURE_3D:
case TGSI_TEXTURE_2D_ARRAY:
case TGSI_TEXTURE_SHADOW2D_ARRAY:
case TGSI_TEXTURE_SHADOWCUBE_ARRAY:
case TGSI_TEXTURE_CUBE_ARRAY:
case TGSI_TEXTURE_2D_ARRAY_MSAA:
twm = ".xyz";
break;
}
}
}
if (inst->Dst[0].Register.WriteMask & 0x7) {
snprintf(buf, 255, "%s%s = %s(textureSize(%s%s))%s;\n", dsts[0], twm, dtypeprefix, srcs[sampler_index], bias, util_bitcount(inst->Dst[0].Register.WriteMask) > 1 ? writemask : "");
EMIT_BUF_WITH_RET(ctx, buf);
}
return 0;
}
switch (inst->Texture.Texture) {
case TGSI_TEXTURE_1D:
case TGSI_TEXTURE_BUFFER:
if (inst->Instruction.Opcode == TGSI_OPCODE_TXP)
twm = "";
else
twm = ".x";
txfi = "int";
break;
case TGSI_TEXTURE_1D_ARRAY:
twm = ".xy";
txfi = "ivec2";
break;
case TGSI_TEXTURE_2D:
case TGSI_TEXTURE_RECT:
if (inst->Instruction.Opcode == TGSI_OPCODE_TXP)
twm = "";
else
twm = ".xy";
txfi = "ivec2";
break;
case TGSI_TEXTURE_SHADOW1D:
case TGSI_TEXTURE_SHADOW2D:
case TGSI_TEXTURE_SHADOW1D_ARRAY:
case TGSI_TEXTURE_SHADOWRECT:
case TGSI_TEXTURE_3D:
if (inst->Instruction.Opcode == TGSI_OPCODE_TXP)
twm = "";
else if (inst->Instruction.Opcode == TGSI_OPCODE_TG4)
twm = ".xy";
else
twm = ".xyz";
txfi = "ivec3";
break;
case TGSI_TEXTURE_CUBE:
case TGSI_TEXTURE_2D_ARRAY:
twm = ".xyz";
txfi = "ivec3";
break;
case TGSI_TEXTURE_2D_MSAA:
twm = ".xy";
txfi = "ivec2";
break;
case TGSI_TEXTURE_2D_ARRAY_MSAA:
twm = ".xyz";
txfi = "ivec3";
break;
case TGSI_TEXTURE_SHADOWCUBE:
case TGSI_TEXTURE_SHADOW2D_ARRAY:
case TGSI_TEXTURE_SHADOWCUBE_ARRAY:
case TGSI_TEXTURE_CUBE_ARRAY:
default:
if (inst->Instruction.Opcode == TGSI_OPCODE_TG4 &&
inst->Texture.Texture != TGSI_TEXTURE_CUBE_ARRAY
&& inst->Texture.Texture != TGSI_TEXTURE_SHADOWCUBE_ARRAY)
twm = ".xyz";
else
twm = "";
txfi = "";
break;
}
if (inst->Instruction.Opcode == TGSI_OPCODE_TXD) {
switch (inst->Texture.Texture) {
case TGSI_TEXTURE_1D:
case TGSI_TEXTURE_SHADOW1D:
case TGSI_TEXTURE_1D_ARRAY:
case TGSI_TEXTURE_SHADOW1D_ARRAY:
gwm = ".x";
break;
case TGSI_TEXTURE_2D:
case TGSI_TEXTURE_SHADOW2D:
case TGSI_TEXTURE_2D_ARRAY:
case TGSI_TEXTURE_SHADOW2D_ARRAY:
case TGSI_TEXTURE_RECT:
case TGSI_TEXTURE_SHADOWRECT:
gwm = ".xy";
break;
case TGSI_TEXTURE_3D:
case TGSI_TEXTURE_CUBE:
case TGSI_TEXTURE_SHADOWCUBE:
case TGSI_TEXTURE_CUBE_ARRAY:
gwm = ".xyz";
break;
default:
gwm = "";
break;
}
}
if (inst->Instruction.Opcode == TGSI_OPCODE_TXB2 || inst->Instruction.Opcode == TGSI_OPCODE_TXL2 || inst->Instruction.Opcode == TGSI_OPCODE_TEX2) {
sampler_index = 2;
if (inst->Instruction.Opcode != TGSI_OPCODE_TEX2)
snprintf(bias, 64, ", %s.x", srcs[1]);
else if (inst->Texture.Texture == TGSI_TEXTURE_SHADOWCUBE_ARRAY)
snprintf(bias, 64, ", float(%s)", srcs[1]);
} else if (inst->Instruction.Opcode == TGSI_OPCODE_TXB || inst->Instruction.Opcode == TGSI_OPCODE_TXL)
snprintf(bias, 64, ", %s.w", srcs[0]);
else if (inst->Instruction.Opcode == TGSI_OPCODE_TXF) {
if (inst->Texture.Texture == TGSI_TEXTURE_1D ||
inst->Texture.Texture == TGSI_TEXTURE_2D ||
inst->Texture.Texture == TGSI_TEXTURE_2D_MSAA ||
inst->Texture.Texture == TGSI_TEXTURE_2D_ARRAY_MSAA ||
inst->Texture.Texture == TGSI_TEXTURE_3D ||
inst->Texture.Texture == TGSI_TEXTURE_1D_ARRAY ||
inst->Texture.Texture == TGSI_TEXTURE_2D_ARRAY) {
snprintf(bias, 64, ", int(%s.w)", srcs[0]);
}
} else if (inst->Instruction.Opcode == TGSI_OPCODE_TXD) {
snprintf(bias, 128, ", %s%s, %s%s", srcs[1], gwm, srcs[2], gwm);
sampler_index = 3;
} else if (inst->Instruction.Opcode == TGSI_OPCODE_TG4) {
sampler_index = 2;
ctx->shader_req_bits |= SHADER_REQ_TG4;
if (inst->Texture.NumOffsets > 1 || is_shad || (ctx->shader_req_bits & SHADER_REQ_SAMPLER_RECT))
ctx->shader_req_bits |= SHADER_REQ_GPU_SHADER5;
if (inst->Texture.NumOffsets == 1) {
if (inst->TexOffsets[0].File != TGSI_FILE_IMMEDIATE)
ctx->shader_req_bits |= SHADER_REQ_GPU_SHADER5;
}
if (is_shad) {
if (inst->Texture.Texture == TGSI_TEXTURE_SHADOWCUBE ||
inst->Texture.Texture == TGSI_TEXTURE_SHADOW2D_ARRAY)
snprintf(bias, 64, ", %s.w", srcs[0]);
else if (inst->Texture.Texture == TGSI_TEXTURE_SHADOWCUBE_ARRAY)
snprintf(bias, 64, ", %s.x", srcs[1]);
else
snprintf(bias, 64, ", %s.z", srcs[0]);
} else if (tg4_has_component) {
if (inst->Texture.NumOffsets == 0) {
if (inst->Texture.Texture == TGSI_TEXTURE_2D ||
inst->Texture.Texture == TGSI_TEXTURE_RECT ||
inst->Texture.Texture == TGSI_TEXTURE_CUBE ||
inst->Texture.Texture == TGSI_TEXTURE_2D_ARRAY ||
inst->Texture.Texture == TGSI_TEXTURE_CUBE_ARRAY)
snprintf(bias, 64, ", int(%s)", srcs[1]);
} else if (inst->Texture.NumOffsets) {
if (inst->Texture.Texture == TGSI_TEXTURE_2D ||
inst->Texture.Texture == TGSI_TEXTURE_RECT ||
inst->Texture.Texture == TGSI_TEXTURE_2D_ARRAY)
snprintf(bias, 64, ", int(%s)", srcs[1]);
}
}
} else
bias[0] = 0;
if (inst->Instruction.Opcode == TGSI_OPCODE_LODQ) {
tex_ext = "QueryLOD";
} else if (inst->Instruction.Opcode == TGSI_OPCODE_TXP) {
if (inst->Texture.Texture == TGSI_TEXTURE_CUBE || inst->Texture.Texture == TGSI_TEXTURE_2D_ARRAY || inst->Texture.Texture == TGSI_TEXTURE_1D_ARRAY)
tex_ext = "";
else if (inst->Texture.NumOffsets == 1)
tex_ext = "ProjOffset";
else
tex_ext = "Proj";
} else if (inst->Instruction.Opcode == TGSI_OPCODE_TXL || inst->Instruction.Opcode == TGSI_OPCODE_TXL2) {
if (inst->Texture.NumOffsets == 1)
tex_ext = "LodOffset";
else
tex_ext = "Lod";
} else if (inst->Instruction.Opcode == TGSI_OPCODE_TXD) {
if (inst->Texture.NumOffsets == 1)
tex_ext = "GradOffset";
else
tex_ext = "Grad";
} else if (inst->Instruction.Opcode == TGSI_OPCODE_TG4) {
if (inst->Texture.NumOffsets == 4)
tex_ext = "GatherOffsets";
else if (inst->Texture.NumOffsets == 1)
tex_ext = "GatherOffset";
else
tex_ext = "Gather";
} else {
if (inst->Texture.NumOffsets == 1)
tex_ext = "Offset";
else
tex_ext = "";
}
if (inst->Texture.NumOffsets == 1) {
if (inst->TexOffsets[0].Index >= ARRAY_SIZE(ctx->imm)) {
fprintf(stderr, "Immediate exceeded, max is %lu\n", ARRAY_SIZE(ctx->imm));
return false;
}
if (inst->TexOffsets[0].File == TGSI_FILE_IMMEDIATE) {
struct immed *imd = &ctx->imm[inst->TexOffsets[0].Index];
switch (inst->Texture.Texture) {
case TGSI_TEXTURE_1D:
case TGSI_TEXTURE_1D_ARRAY:
case TGSI_TEXTURE_SHADOW1D:
case TGSI_TEXTURE_SHADOW1D_ARRAY:
snprintf(offbuf, 25, ", int(%d)", imd->val[inst->TexOffsets[0].SwizzleX].i);
break;
case TGSI_TEXTURE_RECT:
case TGSI_TEXTURE_SHADOWRECT:
case TGSI_TEXTURE_2D:
case TGSI_TEXTURE_2D_ARRAY:
case TGSI_TEXTURE_SHADOW2D:
case TGSI_TEXTURE_SHADOW2D_ARRAY:
snprintf(offbuf, 25, ", ivec2(%d, %d)", imd->val[inst->TexOffsets[0].SwizzleX].i, imd->val[inst->TexOffsets[0].SwizzleY].i);
break;
case TGSI_TEXTURE_3D:
snprintf(offbuf, 25, ", ivec3(%d, %d, %d)", imd->val[inst->TexOffsets[0].SwizzleX].i, imd->val[inst->TexOffsets[0].SwizzleY].i,
imd->val[inst->TexOffsets[0].SwizzleZ].i);
break;
default:
fprintf(stderr, "unhandled texture: %x\n", inst->Texture.Texture);
return false;
}
} else if (inst->TexOffsets[0].File == TGSI_FILE_TEMPORARY) {
struct vrend_temp_range *range = find_temp_range(ctx, inst->TexOffsets[0].Index);
int idx = inst->TexOffsets[0].Index - range->first;
switch (inst->Texture.Texture) {
case TGSI_TEXTURE_1D:
case TGSI_TEXTURE_1D_ARRAY:
case TGSI_TEXTURE_SHADOW1D:
case TGSI_TEXTURE_SHADOW1D_ARRAY:
snprintf(offbuf, 120, ", int(floatBitsToInt(temp%d[%d].%c))",
range->first, idx,
get_swiz_char(inst->TexOffsets[0].SwizzleX));
break;
case TGSI_TEXTURE_RECT:
case TGSI_TEXTURE_SHADOWRECT:
case TGSI_TEXTURE_2D:
case TGSI_TEXTURE_2D_ARRAY:
case TGSI_TEXTURE_SHADOW2D:
case TGSI_TEXTURE_SHADOW2D_ARRAY:
snprintf(offbuf, 120, ", ivec2(floatBitsToInt(temp%d[%d].%c), floatBitsToInt(temp%d[%d].%c))",
range->first, idx,
get_swiz_char(inst->TexOffsets[0].SwizzleX),
range->first, idx,
get_swiz_char(inst->TexOffsets[0].SwizzleY));
break;
case TGSI_TEXTURE_3D:
snprintf(offbuf, 120, ", ivec2(floatBitsToInt(temp%d[%d].%c), floatBitsToInt(temp%d[%d].%c), floatBitsToInt(temp%d[%d].%c)",
range->first, idx,
get_swiz_char(inst->TexOffsets[0].SwizzleX),
range->first, idx,
get_swiz_char(inst->TexOffsets[0].SwizzleY),
range->first, idx,
get_swiz_char(inst->TexOffsets[0].SwizzleZ));
break;
default:
fprintf(stderr, "unhandled texture: %x\n", inst->Texture.Texture);
return false;
break;
}
}
if (inst->Instruction.Opcode == TGSI_OPCODE_TXL || inst->Instruction.Opcode == TGSI_OPCODE_TXL2 || inst->Instruction.Opcode == TGSI_OPCODE_TXD || (inst->Instruction.Opcode == TGSI_OPCODE_TG4 && is_shad)) {
char tmp[128];
strcpy(tmp, offbuf);
strcpy(offbuf, bias);
strcpy(bias, tmp);
}
}
if (inst->Instruction.Opcode == TGSI_OPCODE_TXF) {
snprintf(buf, 255, "%s = %s(%s(texelFetch%s(%s, %s(%s%s)%s%s)%s));\n", dsts[0], dstconv, dtypeprefix, tex_ext, srcs[sampler_index], txfi, srcs[0], twm, bias, offbuf, dst0_override_no_wm ? "" : writemask);
} else if (ctx->cfg->glsl_version < 140 && (ctx->shader_req_bits & SHADER_REQ_SAMPLER_RECT)) {
/* rect is special in GLSL 1.30 */
if (inst->Texture.Texture == TGSI_TEXTURE_RECT)
snprintf(buf, 255, "%s = texture2DRect(%s, %s.xy)%s;\n", dsts[0], srcs[sampler_index], srcs[0], writemask);
else if (inst->Texture.Texture == TGSI_TEXTURE_SHADOWRECT)
snprintf(buf, 255, "%s = shadow2DRect(%s, %s.xyz)%s;\n", dsts[0], srcs[sampler_index], srcs[0], writemask);
} else if (is_shad && inst->Instruction.Opcode != TGSI_OPCODE_TG4) { /* TGSI returns 1.0 in alpha */
const char *cname = tgsi_proc_to_prefix(ctx->prog_type);
const struct tgsi_full_src_register *src = &inst->Src[sampler_index];
snprintf(buf, 255, "%s = %s(%s(vec4(vec4(texture%s(%s, %s%s%s%s)) * %sshadmask%d + %sshadadd%d)%s));\n", dsts[0], dstconv, dtypeprefix, tex_ext, srcs[sampler_index], srcs[0], twm, offbuf, bias, cname, src->Register.Index, cname, src->Register.Index, writemask);
} else {
/* OpenGL ES do not support 1D texture
* so we use a 2D texture with a parameter set to 0.5
*/
if (ctx->cfg->use_gles && inst->Texture.Texture == TGSI_TEXTURE_1D) {
snprintf(buf, 255, "%s = %s(%s(texture2D(%s, vec2(%s%s%s%s, 0.5))%s));\n", dsts[0], dstconv, dtypeprefix, srcs[sampler_index], srcs[0], twm, offbuf, bias, dst0_override_no_wm ? "" : writemask);
} else {
snprintf(buf, 255, "%s = %s(%s(texture%s(%s, %s%s%s%s)%s));\n", dsts[0], dstconv, dtypeprefix, tex_ext, srcs[sampler_index], srcs[0], twm, offbuf, bias, dst0_override_no_wm ? "" : writemask);
}
}
return emit_buf(ctx, buf);
}
static void
create_swizzled_clipdist(struct dump_ctx *ctx,
char *result,
const struct tgsi_full_src_register *src,
int input_idx,
bool gl_in,
const char *stypeprefix,
const char *prefix,
const char *arrayname)
{
char clipdistvec[4][64] = {};
int idx;
bool has_prev_vals = (ctx->key->prev_stage_num_cull_out + ctx->key->prev_stage_num_clip_out) > 0;
int num_culls = has_prev_vals ? ctx->key->prev_stage_num_cull_out : 0;
int num_clips = has_prev_vals ? ctx->key->prev_stage_num_clip_out : ctx->num_in_clip_dist;
for (unsigned cc = 0; cc < 4; cc++) {
const char *cc_name = ctx->inputs[input_idx].glsl_name;
idx = ctx->inputs[input_idx].sid * 4;
if (cc == 0)
idx += src->Register.SwizzleX;
else if (cc == 1)
idx += src->Register.SwizzleY;
else if (cc == 2)
idx += src->Register.SwizzleZ;
else if (cc == 3)
idx += src->Register.SwizzleW;
if (num_culls) {
if (idx >= num_clips) {
idx -= num_clips;
cc_name = "gl_CullDistance";
}
if (ctx->key->prev_stage_num_cull_out)
if (idx >= ctx->key->prev_stage_num_cull_out)
idx = 0;
} else {
if (ctx->key->prev_stage_num_clip_out)
if (idx >= ctx->key->prev_stage_num_clip_out)
idx = 0;
}
if (gl_in)
snprintf(clipdistvec[cc], 64, "%sgl_in%s.%s[%d]", prefix, arrayname, cc_name, idx);
else
snprintf(clipdistvec[cc], 64, "%s%s%s[%d]", prefix, arrayname, cc_name, idx);
}
snprintf(result, 255, "%s(vec4(%s,%s,%s,%s))", stypeprefix, clipdistvec[0], clipdistvec[1], clipdistvec[2], clipdistvec[3]);
}
static int
get_destination_info(struct dump_ctx *ctx,
const struct tgsi_full_instruction *inst,
enum vrend_type_qualifier *dtypeprefix,
enum vrend_type_qualifier *dstconv,
enum vrend_type_qualifier *udstconv,
bool dst_override_no_wm[2], char dsts[3][255],
char *writemask)
{
const struct tgsi_full_dst_register *dst_reg;
enum tgsi_opcode_type dtype = tgsi_opcode_infer_dst_type(inst->Instruction.Opcode);
if (dtype == TGSI_TYPE_SIGNED || dtype == TGSI_TYPE_UNSIGNED)
ctx->shader_req_bits |= SHADER_REQ_INTS;
if (inst->Instruction.Opcode == TGSI_OPCODE_TXQ) {
*dtypeprefix = INT_BITS_TO_FLOAT;
} else {
switch (dtype) {
case TGSI_TYPE_UNSIGNED:
*dtypeprefix = UINT_BITS_TO_FLOAT;
break;
case TGSI_TYPE_SIGNED:
*dtypeprefix = INT_BITS_TO_FLOAT;
break;
default:
break;
}
}
for (uint32_t i = 0; i < inst->Instruction.NumDstRegs; i++) {
dst_reg = &inst->Dst[i];
dst_override_no_wm[i] = false;
if (dst_reg->Register.WriteMask != TGSI_WRITEMASK_XYZW) {
int wm_idx = 0;
writemask[wm_idx++] = '.';
if (dst_reg->Register.WriteMask & 0x1)
writemask[wm_idx++] = 'x';
if (dst_reg->Register.WriteMask & 0x2)
writemask[wm_idx++] = 'y';
if (dst_reg->Register.WriteMask & 0x4)
writemask[wm_idx++] = 'z';
if (dst_reg->Register.WriteMask & 0x8)
writemask[wm_idx++] = 'w';
*dstconv = FLOAT + wm_idx - 2;
*udstconv = UINT + wm_idx - 2;
} else {
*dstconv = VEC4;
*udstconv = UVEC4;
}
if (dst_reg->Register.File == TGSI_FILE_OUTPUT) {
for (uint32_t j = 0; j < ctx->num_outputs; j++) {
if (ctx->outputs[j].first == dst_reg->Register.Index) {
if (ctx->glsl_ver_required >= 140 && ctx->outputs[j].name == TGSI_SEMANTIC_CLIPVERTEX) {
snprintf(dsts[i], 255, "clipv_tmp");
} else if (ctx->outputs[j].name == TGSI_SEMANTIC_CLIPDIST) {
snprintf(dsts[i], 255, "clip_dist_temp[%d]", ctx->outputs[j].sid);
} else if (ctx->outputs[j].name == TGSI_SEMANTIC_SAMPLEMASK) {
int idx;
switch (dst_reg->Register.WriteMask) {
case 0x1: idx = 0; break;
case 0x2: idx = 1; break;
case 0x4: idx = 2; break;
case 0x8: idx = 3; break;
default:
idx = 0;
break;
}
snprintf(dsts[i], 255, "%s[%d]", ctx->outputs[j].glsl_name, idx);
if (ctx->outputs[j].is_int) {
*dtypeprefix = FLOAT_BITS_TO_INT;
*dstconv = INT;
}
} else {
snprintf(dsts[i], 255, "%s%s", ctx->outputs[j].glsl_name, ctx->outputs[j].override_no_wm ? "" : writemask);
dst_override_no_wm[i] = ctx->outputs[j].override_no_wm;
if (ctx->outputs[j].is_int) {
if (*dtypeprefix == TYPE_CONVERSION_NONE)
*dtypeprefix = FLOAT_BITS_TO_INT;
*dstconv = INT;
}
if (ctx->outputs[j].name == TGSI_SEMANTIC_PSIZE) {
*dstconv = FLOAT;
break;
}
}
}
}
}
else if (dst_reg->Register.File == TGSI_FILE_TEMPORARY) {
struct vrend_temp_range *range = find_temp_range(ctx, dst_reg->Register.Index);
if (!range)
return FALSE;
if (dst_reg->Register.Indirect) {
snprintf(dsts[i], 255, "temp%d[addr0 + %d]%s", range->first, dst_reg->Register.Index - range->first, writemask);
} else
snprintf(dsts[i], 255, "temp%d[%d]%s", range->first, dst_reg->Register.Index - range->first, writemask);
}
else if (dst_reg->Register.File == TGSI_FILE_ADDRESS) {
snprintf(dsts[i], 255, "addr%d", dst_reg->Register.Index);
}
}
return 0;
}
static int
get_source_info(struct dump_ctx *ctx,
const struct tgsi_full_instruction *inst,
enum vrend_type_qualifier *svec4, int *sreg_index,
char srcs[3][255], char src_swizzle0[10],
bool *tg4_has_component, bool *override_no_wm)
{
bool stprefix = false;
enum vrend_type_qualifier stypeprefix = TYPE_CONVERSION_NONE;
enum tgsi_opcode_type stype = tgsi_opcode_infer_src_type(inst->Instruction.Opcode);
if (stype == TGSI_TYPE_SIGNED || stype == TGSI_TYPE_UNSIGNED)
ctx->shader_req_bits |= SHADER_REQ_INTS;
switch (stype) {
case TGSI_TYPE_UNSIGNED:
stypeprefix = FLOAT_BITS_TO_UINT;
*svec4 = UVEC4;
stprefix = true;
break;
case TGSI_TYPE_SIGNED:
stypeprefix = FLOAT_BITS_TO_INT;
*svec4 = IVEC4;
stprefix = true;
break;
default:
break;
}
for (uint32_t i = 0; i < inst->Instruction.NumSrcRegs; i++) {
const struct tgsi_full_src_register *src = &inst->Src[i];
char swizzle[8] = {0};
char prefix[6] = {0};
char arrayname[16] = {0};
int swz_idx = 0, pre_idx = 0;
boolean isabsolute = src->Register.Absolute;
override_no_wm[i] = false;
if (isabsolute)
swizzle[swz_idx++] = ')';
if (src->Register.Negate)
prefix[pre_idx++] = '-';
if (isabsolute)
strcpy(&prefix[pre_idx++], "abs(");
if (src->Register.Dimension) {
if (src->Dimension.Indirect) {
assert(src->DimIndirect.File == TGSI_FILE_ADDRESS);
sprintf(arrayname, "[addr%d]", src->DimIndirect.Index);
} else
sprintf(arrayname, "[%d]", src->Dimension.Index);
}
if (src->Register.SwizzleX != TGSI_SWIZZLE_X ||
src->Register.SwizzleY != TGSI_SWIZZLE_Y ||
src->Register.SwizzleZ != TGSI_SWIZZLE_Z ||
src->Register.SwizzleW != TGSI_SWIZZLE_W) {
swizzle[swz_idx++] = '.';
swizzle[swz_idx++] = get_swiz_char(src->Register.SwizzleX);
swizzle[swz_idx++] = get_swiz_char(src->Register.SwizzleY);
swizzle[swz_idx++] = get_swiz_char(src->Register.SwizzleZ);
swizzle[swz_idx++] = get_swiz_char(src->Register.SwizzleW);
}
if (src->Register.File == TGSI_FILE_INPUT) {
for (uint32_t j = 0; j < ctx->num_inputs; j++)
if (ctx->inputs[j].first == src->Register.Index) {
if (ctx->key->color_two_side && ctx->inputs[j].name == TGSI_SEMANTIC_COLOR)
snprintf(srcs[i], 255, "%s(%s%s%d%s%s)", get_string(stypeprefix), prefix, "realcolor", ctx->inputs[j].sid, arrayname, swizzle);
else if (ctx->inputs[j].glsl_gl_in) {
/* GS input clipdist requires a conversion */
if (ctx->inputs[j].name == TGSI_SEMANTIC_CLIPDIST) {
create_swizzled_clipdist(ctx, srcs[i], src, j, true, get_string(stypeprefix), prefix, arrayname);
} else {
snprintf(srcs[i], 255, "%s(vec4(%sgl_in%s.%s)%s)", get_string(stypeprefix), prefix, arrayname, ctx->inputs[j].glsl_name, swizzle);
}
}
else if (ctx->inputs[j].name == TGSI_SEMANTIC_PRIMID)
snprintf(srcs[i], 255, "%s(vec4(intBitsToFloat(%s)))", get_string(stypeprefix), ctx->inputs[j].glsl_name);
else if (ctx->inputs[j].name == TGSI_SEMANTIC_FACE)
snprintf(srcs[i], 255, "%s(%s ? 1.0 : -1.0)", get_string(stypeprefix), ctx->inputs[j].glsl_name);
else if (ctx->inputs[j].name == TGSI_SEMANTIC_CLIPDIST) {
create_swizzled_clipdist(ctx, srcs[i], src, j, false, get_string(stypeprefix), prefix, arrayname);
} else {
enum vrend_type_qualifier srcstypeprefix = stypeprefix;
if (stype == TGSI_TYPE_UNSIGNED &&
ctx->inputs[j].is_int)
srcstypeprefix = TYPE_CONVERSION_NONE;
if (inst->Instruction.Opcode == TGSI_OPCODE_INTERP_SAMPLE && i == 1) {
snprintf(srcs[i], 255, "floatBitsToInt(%s%s%s%s)", prefix, ctx->inputs[j].glsl_name, arrayname, swizzle);
} else
snprintf(srcs[i], 255, "%s(%s%s%s%s)", get_string(srcstypeprefix), prefix, ctx->inputs[j].glsl_name, arrayname, ctx->inputs[j].is_int ? "" : swizzle);
}
if ((inst->Instruction.Opcode == TGSI_OPCODE_INTERP_SAMPLE ||
inst->Instruction.Opcode == TGSI_OPCODE_INTERP_OFFSET ||
inst->Instruction.Opcode == TGSI_OPCODE_INTERP_CENTROID) &&
i == 0) {
snprintf(srcs[0], 255, "%s", ctx->inputs[j].glsl_name);
snprintf(src_swizzle0, 10, "%s", swizzle);
}
override_no_wm[i] = ctx->inputs[j].override_no_wm;
break;
}
}
else if (src->Register.File == TGSI_FILE_TEMPORARY) {
struct vrend_temp_range *range = find_temp_range(ctx, src->Register.Index);
if (!range)
return FALSE;
if (inst->Instruction.Opcode == TGSI_OPCODE_INTERP_SAMPLE && i == 1) {
stprefix = true;
stypeprefix = FLOAT_BITS_TO_INT;
}
if (src->Register.Indirect) {
assert(src->Indirect.File == TGSI_FILE_ADDRESS);
snprintf(srcs[i], 255, "%s%c%stemp%d[addr%d + %d]%s%c", get_string(stypeprefix), stprefix ? '(' : ' ', prefix, range->first, src->Indirect.Index, src->Register.Index - range->first, swizzle, stprefix ? ')' : ' ');
} else
snprintf(srcs[i], 255, "%s%c%stemp%d[%d]%s%c", get_string(stypeprefix), stprefix ? '(' : ' ', prefix, range->first, src->Register.Index - range->first, swizzle, stprefix ? ')' : ' ');
} else if (src->Register.File == TGSI_FILE_CONSTANT) {
const char *cname = tgsi_proc_to_prefix(ctx->prog_type);
int dim = 0;
if (src->Register.Dimension) {
dim = src->Dimension.Index;
if (src->Dimension.Indirect) {
assert(src->DimIndirect.File == TGSI_FILE_ADDRESS);
ctx->shader_req_bits |= SHADER_REQ_GPU_SHADER5;
if (src->Register.Indirect) {
assert(src->Indirect.File == TGSI_FILE_ADDRESS);
snprintf(srcs[i], 255, "%s(%s%suboarr[addr%d].ubocontents[addr%d + %d]%s)", get_string(stypeprefix), prefix, cname, src->DimIndirect.Index, src->Indirect.Index, src->Register.Index, swizzle);
} else
snprintf(srcs[i], 255, "%s(%s%suboarr[addr%d].ubocontents[%d]%s)", get_string(stypeprefix), prefix, cname, src->DimIndirect.Index, src->Register.Index, swizzle);
} else {
if (ctx->info.dimension_indirect_files & (1 << TGSI_FILE_CONSTANT)) {
if (src->Register.Indirect) {
snprintf(srcs[i], 255, "%s(%s%suboarr[%d].ubocontents[addr%d + %d]%s)", get_string(stypeprefix), prefix, cname, dim, src->Indirect.Index, src->Register.Index, swizzle);
} else
snprintf(srcs[i], 255, "%s(%s%suboarr[%d].ubocontents[%d]%s)", get_string(stypeprefix), prefix, cname, dim, src->Register.Index, swizzle);
} else {
if (src->Register.Indirect) {
snprintf(srcs[i], 255, "%s(%s%subo%dcontents[addr0 + %d]%s)", get_string(stypeprefix), prefix, cname, dim, src->Register.Index, swizzle);
} else
snprintf(srcs[i], 255, "%s(%s%subo%dcontents[%d]%s)", get_string(stypeprefix), prefix, cname, dim, src->Register.Index, swizzle);
}
}
} else {
enum vrend_type_qualifier csp = TYPE_CONVERSION_NONE;
ctx->shader_req_bits |= SHADER_REQ_INTS;
if (inst->Instruction.Opcode == TGSI_OPCODE_INTERP_SAMPLE && i == 1)
csp = IVEC4;
else if (stype == TGSI_TYPE_FLOAT || stype == TGSI_TYPE_UNTYPED)
csp = UINT_BITS_TO_FLOAT;
else if (stype == TGSI_TYPE_SIGNED)
csp = IVEC4;
if (src->Register.Indirect) {
snprintf(srcs[i], 255, "%s%s(%sconst%d[addr0 + %d]%s)", prefix, get_string(csp), cname, dim, src->Register.Index, swizzle);
} else
snprintf(srcs[i], 255, "%s%s(%sconst%d[%d]%s)", prefix, get_string(csp), cname, dim, src->Register.Index, swizzle);
}
} else if (src->Register.File == TGSI_FILE_SAMPLER) {
const char *cname = tgsi_proc_to_prefix(ctx->prog_type);
if (ctx->info.indirect_files & (1 << TGSI_FILE_SAMPLER)) {
int arr_idx = lookup_sampler_array(ctx, src->Register.Index);
if (src->Register.Indirect) {
snprintf(srcs[i], 255, "%ssamp%d[addr%d+%d]%s", cname, arr_idx, src->Indirect.Index, src->Register.Index - ctx->sampler_arrays[arr_idx].first, swizzle);
} else {
snprintf(srcs[i], 255, "%ssamp%d[%d]%s", cname, arr_idx, src->Register.Index - ctx->sampler_arrays[arr_idx].first, swizzle);
}
} else {
snprintf(srcs[i], 255, "%ssamp%d%s", cname, src->Register.Index, swizzle);
}
*sreg_index = src->Register.Index;
} else if (src->Register.File == TGSI_FILE_IMMEDIATE) {
if (src->Register.Index >= ARRAY_SIZE(ctx->imm)) {
fprintf(stderr, "Immediate exceeded, max is %lu\n", ARRAY_SIZE(ctx->imm));
return false;
}
struct immed *imd = &ctx->imm[src->Register.Index];
int idx = src->Register.SwizzleX;
char temp[48];
enum vrend_type_qualifier vtype = VEC4;
enum vrend_type_qualifier imm_stypeprefix = stypeprefix;
if ((inst->Instruction.Opcode == TGSI_OPCODE_TG4 && i == 1) ||
(inst->Instruction.Opcode == TGSI_OPCODE_INTERP_SAMPLE && i == 1))
stype = TGSI_TYPE_SIGNED;
if (imd->type == TGSI_IMM_UINT32 || imd->type == TGSI_IMM_INT32) {
if (imd->type == TGSI_IMM_UINT32)
vtype = UVEC4;
else
vtype = IVEC4;
if (stype == TGSI_TYPE_UNSIGNED && imd->type == TGSI_IMM_INT32)
imm_stypeprefix = UVEC4;
else if (stype == TGSI_TYPE_SIGNED && imd->type == TGSI_IMM_UINT32)
imm_stypeprefix = IVEC4;
else if (stype == TGSI_TYPE_FLOAT || stype == TGSI_TYPE_UNTYPED) {
if (imd->type == TGSI_IMM_INT32)
imm_stypeprefix = INT_BITS_TO_FLOAT;
else
imm_stypeprefix = UINT_BITS_TO_FLOAT;
} else if (stype == TGSI_TYPE_UNSIGNED || stype == TGSI_TYPE_SIGNED)
imm_stypeprefix = TYPE_CONVERSION_NONE;
}
/* build up a vec4 of immediates */
snprintf(srcs[i], 255, "%s(%s%s(", get_string(imm_stypeprefix), prefix, get_string(vtype));
for (uint32_t j = 0; j < 4; j++) {
if (j == 0)
idx = src->Register.SwizzleX;
else if (j == 1)
idx = src->Register.SwizzleY;
else if (j == 2)
idx = src->Register.SwizzleZ;
else if (j == 3)
idx = src->Register.SwizzleW;
if (inst->Instruction.Opcode == TGSI_OPCODE_TG4 && i == 1 && j == 0) {
if (imd->val[idx].ui > 0) {
*tg4_has_component = true;
ctx->shader_req_bits |= SHADER_REQ_GPU_SHADER5;
}
}
switch (imd->type) {
case TGSI_IMM_FLOAT32:
if (isinf(imd->val[idx].f) || isnan(imd->val[idx].f)) {
ctx->shader_req_bits |= SHADER_REQ_INTS;
snprintf(temp, 48, "uintBitsToFloat(%uU)", imd->val[idx].ui);
} else
snprintf(temp, 25, "%.8g", imd->val[idx].f);
break;
case TGSI_IMM_UINT32:
snprintf(temp, 25, "%uU", imd->val[idx].ui);
break;
case TGSI_IMM_INT32:
snprintf(temp, 25, "%d", imd->val[idx].i);
break;
default:
fprintf(stderr, "unhandled imm type: %x\n", imd->type);
return false;
}
strncat(srcs[i], temp, 255);
if (j < 3)
strcat(srcs[i], ",");
else {
snprintf(temp, 4, "))%c", isabsolute ? ')' : 0);
strncat(srcs[i], temp, 255);
}
}
} else if (src->Register.File == TGSI_FILE_SYSTEM_VALUE) {
for (uint32_t j = 0; j < ctx->num_system_values; j++)
if (ctx->system_values[j].first == src->Register.Index) {
if (ctx->system_values[j].name == TGSI_SEMANTIC_VERTEXID ||
ctx->system_values[j].name == TGSI_SEMANTIC_INSTANCEID ||
ctx->system_values[j].name == TGSI_SEMANTIC_INVOCATIONID ||
ctx->system_values[j].name == TGSI_SEMANTIC_SAMPLEID)
snprintf(srcs[i], 255, "%s(vec4(intBitsToFloat(%s)))", get_string(stypeprefix), ctx->system_values[j].glsl_name);
else if (ctx->system_values[j].name == TGSI_SEMANTIC_SAMPLEPOS) {
snprintf(srcs[i], 255, "vec4(%s.%c, %s.%c, %s.%c, %s.%c)",
ctx->system_values[j].glsl_name, get_swiz_char(src->Register.SwizzleX),
ctx->system_values[j].glsl_name, get_swiz_char(src->Register.SwizzleY),
ctx->system_values[j].glsl_name, get_swiz_char(src->Register.SwizzleZ),
ctx->system_values[j].glsl_name, get_swiz_char(src->Register.SwizzleW));
} else
snprintf(srcs[i], 255, "%s%s", prefix, ctx->system_values[j].glsl_name);
override_no_wm[i] = ctx->system_values[j].override_no_wm;
break;
}
}
}
return 0;
}
static boolean
iter_instruction(struct tgsi_iterate_context *iter,
struct tgsi_full_instruction *inst)
{
struct dump_ctx *ctx = (struct dump_ctx *)iter;
char srcs[4][255], dsts[3][255], buf[512];
uint instno = ctx->instno++;
int sreg_index = 0;
char writemask[6] = {0};
bool override_no_wm[3];
bool dst_override_no_wm[2];
char *sret;
int ret;
char src_swizzle0[10];
bool tg4_has_component = false;
enum vrend_type_qualifier dtypeprefix, dstconv, udstconv, svec4;
dtypeprefix = dstconv = udstconv = TYPE_CONVERSION_NONE;
svec4 = VEC4;
if (ctx->prog_type == -1)
ctx->prog_type = iter->processor.Processor;
if (instno == 0) {
sret = add_str_to_glsl_main(ctx, "void main(void)\n{\n");
if (!sret)
return FALSE;
if (iter->processor.Processor == TGSI_PROCESSOR_FRAGMENT) {
ret = emit_color_select(ctx);
if (ret)
return FALSE;
}
if (ctx->so)
prepare_so_movs(ctx);
}
ret = get_destination_info(ctx, inst, &dtypeprefix, &dstconv, &udstconv, dst_override_no_wm, dsts, writemask);
if (ret)
return FALSE;
ret = get_source_info(ctx, inst, &svec4, &sreg_index, srcs, src_swizzle0, &tg4_has_component, override_no_wm);
if (ret)
return FALSE;
switch (inst->Instruction.Opcode) {
case TGSI_OPCODE_SQRT:
snprintf(buf, 255, "%s = sqrt(vec4(%s))%s;\n", dsts[0], srcs[0], writemask);
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_LRP:
snprintf(buf, 255, "%s = mix(vec4(%s), vec4(%s), vec4(%s))%s;\n", dsts[0], srcs[2], srcs[1], srcs[0], writemask);
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_DP2:
snprintf(buf, 255, "%s = %s(dot(vec2(%s), vec2(%s)));\n", dsts[0], get_string(dstconv), srcs[0], srcs[1]);
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_DP3:
snprintf(buf, 255, "%s = %s(dot(vec3(%s), vec3(%s)));\n", dsts[0], get_string(dstconv), srcs[0], srcs[1]);
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_DP4:
snprintf(buf, 255, "%s = %s(dot(vec4(%s), vec4(%s)));\n", dsts[0], get_string(dstconv), srcs[0], srcs[1]);
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_DPH:
snprintf(buf, 255, "%s = %s(dot(vec4(vec3(%s), 1.0), vec4(%s)));\n", dsts[0], get_string(dstconv), srcs[0], srcs[1]);
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_MAX:
case TGSI_OPCODE_IMAX:
case TGSI_OPCODE_UMAX:
snprintf(buf, 255, "%s = %s(%s(max(%s, %s)));\n", dsts[0], get_string(dstconv), get_string(dtypeprefix), srcs[0], srcs[1]);
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_MIN:
case TGSI_OPCODE_IMIN:
case TGSI_OPCODE_UMIN:
snprintf(buf, 255, "%s = %s(%s(min(%s, %s)));\n", dsts[0], get_string(dstconv), get_string(dtypeprefix), srcs[0], srcs[1]);
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_ABS:
case TGSI_OPCODE_IABS:
emit_op1("abs");
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_KILL_IF:
snprintf(buf, 255, "if (any(lessThan(%s, vec4(0.0))))\ndiscard;\n", srcs[0]);
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_IF:
case TGSI_OPCODE_UIF:
snprintf(buf, 255, "if (any(bvec4(%s))) {\n", srcs[0]);
EMIT_BUF_WITH_RET(ctx, buf);
ctx->indent_level++;
break;
case TGSI_OPCODE_ELSE:
snprintf(buf, 255, "} else {\n");
ctx->indent_level--;
EMIT_BUF_WITH_RET(ctx, buf);
ctx->indent_level++;
break;
case TGSI_OPCODE_ENDIF:
snprintf(buf, 255, "}\n");
ctx->indent_level--;
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_KILL:
snprintf(buf, 255, "discard;\n");
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_DST:
snprintf(buf, 512, "%s = vec4(1.0, %s.y * %s.y, %s.z, %s.w);\n", dsts[0],
srcs[0], srcs[1], srcs[0], srcs[1]);
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_LIT:
snprintf(buf, 512, "%s = %s(vec4(1.0, max(%s.x, 0.0), step(0.0, %s.x) * pow(max(0.0, %s.y), clamp(%s.w, -128.0, 128.0)), 1.0)%s);\n", dsts[0], get_string(dstconv), srcs[0], srcs[0], srcs[0], srcs[0], writemask);
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_EX2:
emit_op1("exp2");
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_LG2:
emit_op1("log2");
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_EXP:
snprintf(buf, 512, "%s = %s(vec4(pow(2.0, floor(%s.x)), %s.x - floor(%s.x), exp2(%s.x), 1.0)%s);\n", dsts[0], get_string(dstconv), srcs[0], srcs[0], srcs[0], srcs[0], writemask);
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_LOG:
snprintf(buf, 512, "%s = %s(vec4(floor(log2(%s.x)), %s.x / pow(2.0, floor(log2(%s.x))), log2(%s.x), 1.0)%s);\n", dsts[0], get_string(dstconv), srcs[0], srcs[0], srcs[0], srcs[0], writemask);
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_COS:
emit_op1("cos");
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_SIN:
emit_op1("sin");
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_SCS:
snprintf(buf, 255, "%s = %s(vec4(cos(%s.x), sin(%s.x), 0, 1)%s);\n", dsts[0], get_string(dstconv),
srcs[0], srcs[0], writemask);
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_DDX:
emit_op1("dFdx");
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_DDY:
emit_op1("dFdy");
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_DDX_FINE:
ctx->shader_req_bits |= SHADER_REQ_DERIVATIVE_CONTROL;
emit_op1("dFdxFine");
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_DDY_FINE:
ctx->shader_req_bits |= SHADER_REQ_DERIVATIVE_CONTROL;
emit_op1("dFdyFine");
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_RCP:
snprintf(buf, 255, "%s = %s(1.0/(%s));\n", dsts[0], get_string(dstconv), srcs[0]);
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_FLR:
emit_op1("floor");
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_ROUND:
emit_op1("round");
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_ISSG:
emit_op1("sign");
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_CEIL:
emit_op1("ceil");
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_FRC:
emit_op1("fract");
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_TRUNC:
emit_op1("trunc");
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_SSG:
emit_op1("sign");
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_RSQ:
snprintf(buf, 255, "%s = %s(inversesqrt(%s.x));\n", dsts[0], get_string(dstconv), srcs[0]);
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_MOV:
snprintf(buf, 255, "%s = %s(%s(%s%s));\n", dsts[0], get_string(dstconv), get_string(dtypeprefix), srcs[0], override_no_wm[0] ? "" : writemask);
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_ADD:
emit_arit_op2("+");
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_UADD:
snprintf(buf, 255, "%s = %s(%s(ivec4((uvec4(%s) + uvec4(%s))))%s);\n", dsts[0], get_string(dstconv), get_string(dtypeprefix), srcs[0], srcs[1], writemask);
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_SUB:
emit_arit_op2("-");
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_MUL:
emit_arit_op2("*");
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_DIV:
emit_arit_op2("/");
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_UMUL:
snprintf(buf, 255, "%s = %s(%s((uvec4(%s) * uvec4(%s)))%s);\n", dsts[0], get_string(dstconv), get_string(dtypeprefix), srcs[0], srcs[1], writemask);
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_UMOD:
snprintf(buf, 255, "%s = %s(%s((uvec4(%s) %% uvec4(%s)))%s);\n", dsts[0], get_string(dstconv), get_string(dtypeprefix), srcs[0], srcs[1], writemask);
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_IDIV:
snprintf(buf, 255, "%s = %s(%s((ivec4(%s) / ivec4(%s)))%s);\n", dsts[0], get_string(dstconv), get_string(dtypeprefix), srcs[0], srcs[1], writemask);
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_UDIV:
snprintf(buf, 255, "%s = %s(%s((uvec4(%s) / uvec4(%s)))%s);\n", dsts[0], get_string(dstconv), get_string(dtypeprefix), srcs[0], srcs[1], writemask);
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_ISHR:
case TGSI_OPCODE_USHR:
emit_arit_op2(">>");
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_SHL:
emit_arit_op2("<<");
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_MAD:
snprintf(buf, 255, "%s = %s((%s * %s + %s)%s);\n", dsts[0], get_string(dstconv), srcs[0], srcs[1], srcs[2], writemask);
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_UMAD:
snprintf(buf, 255, "%s = %s(%s((%s * %s + %s)%s));\n", dsts[0], get_string(dstconv), get_string(dtypeprefix), srcs[0], srcs[1], srcs[2], writemask);
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_OR:
emit_arit_op2("|");
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_AND:
emit_arit_op2("&");
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_XOR:
emit_arit_op2("^");
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_MOD:
emit_arit_op2("%");
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_TEX:
case TGSI_OPCODE_TEX2:
case TGSI_OPCODE_TXB:
case TGSI_OPCODE_TXL:
case TGSI_OPCODE_TXB2:
case TGSI_OPCODE_TXL2:
case TGSI_OPCODE_TXD:
case TGSI_OPCODE_TXF:
case TGSI_OPCODE_TG4:
case TGSI_OPCODE_TXP:
case TGSI_OPCODE_TXQ:
case TGSI_OPCODE_LODQ:
ret = translate_tex(ctx, inst, sreg_index, srcs, dsts, writemask, get_string(dstconv), dst_override_no_wm[0], tg4_has_component);
if (ret)
return FALSE;
break;
case TGSI_OPCODE_I2F:
snprintf(buf, 255, "%s = %s(ivec4(%s)%s);\n", dsts[0], get_string(dstconv), srcs[0], writemask);
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_U2F:
snprintf(buf, 255, "%s = %s(uvec4(%s)%s);\n", dsts[0], get_string(dstconv), srcs[0], writemask);
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_F2I:
snprintf(buf, 255, "%s = %s(%s(ivec4(%s))%s);\n", dsts[0], get_string(dstconv), get_string(dtypeprefix), srcs[0], writemask);
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_F2U:
snprintf(buf, 255, "%s = %s(%s(uvec4(%s))%s);\n", dsts[0], get_string(dstconv), get_string(dtypeprefix), srcs[0], writemask);
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_NOT:
snprintf(buf, 255, "%s = %s(uintBitsToFloat(~(uvec4(%s))));\n", dsts[0], get_string(dstconv), srcs[0]);
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_INEG:
snprintf(buf, 255, "%s = %s(intBitsToFloat(-(ivec4(%s))));\n", dsts[0], get_string(dstconv), srcs[0]);
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_SEQ:
emit_compare("equal");
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_USEQ:
case TGSI_OPCODE_FSEQ:
emit_ucompare("equal");
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_SLT:
emit_compare("lessThan");
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_ISLT:
case TGSI_OPCODE_USLT:
case TGSI_OPCODE_FSLT:
emit_ucompare("lessThan");
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_SNE:
emit_compare("notEqual");
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_USNE:
case TGSI_OPCODE_FSNE:
emit_ucompare("notEqual");
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_SGE:
emit_compare("greaterThanEqual");
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_ISGE:
case TGSI_OPCODE_USGE:
case TGSI_OPCODE_FSGE:
emit_ucompare("greaterThanEqual");
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_POW:
snprintf(buf, 255, "%s = %s(pow(%s, %s));\n", dsts[0], get_string(dstconv), srcs[0], srcs[1]);
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_CMP:
snprintf(buf, 255, "%s = mix(%s, %s, greaterThanEqual(%s, vec4(0.0)))%s;\n", dsts[0], srcs[1], srcs[2], srcs[0], writemask);
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_UCMP:
snprintf(buf, 512, "%s = mix(%s, %s, notEqual(floatBitsToUint(%s), uvec4(0.0)))%s;\n", dsts[0], srcs[2], srcs[1], srcs[0], writemask);
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_END:
if (iter->processor.Processor == TGSI_PROCESSOR_VERTEX) {
if (handle_vertex_proc_exit(ctx) == FALSE)
return FALSE;
} else if (iter->processor.Processor == TGSI_PROCESSOR_FRAGMENT) {
if (handle_fragment_proc_exit(ctx) == FALSE)
return FALSE;
}
sret = add_str_to_glsl_main(ctx, "}\n");
if (!sret)
return FALSE;
break;
case TGSI_OPCODE_RET:
if (iter->processor.Processor == TGSI_PROCESSOR_VERTEX) {
if (handle_vertex_proc_exit(ctx) == FALSE)
return FALSE;
} else if (iter->processor.Processor == TGSI_PROCESSOR_FRAGMENT) {
if (handle_fragment_proc_exit(ctx) == FALSE)
return FALSE;
}
EMIT_BUF_WITH_RET(ctx, "return;\n");
break;
case TGSI_OPCODE_ARL:
snprintf(buf, 255, "%s = int(floor(%s)%s);\n", dsts[0], srcs[0], writemask);
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_UARL:
snprintf(buf, 255, "%s = int(%s);\n", dsts[0], srcs[0]);
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_XPD:
snprintf(buf, 255, "%s = %s(cross(vec3(%s), vec3(%s)));\n", dsts[0], get_string(dstconv), srcs[0], srcs[1]);
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_BGNLOOP:
snprintf(buf, 255, "do {\n");
EMIT_BUF_WITH_RET(ctx, buf);
ctx->indent_level++;
break;
case TGSI_OPCODE_ENDLOOP:
ctx->indent_level--;
snprintf(buf, 255, "} while(true);\n");
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_BRK:
snprintf(buf, 255, "break;\n");
EMIT_BUF_WITH_RET(ctx, buf);
break;
case TGSI_OPCODE_EMIT: {
struct immed *imd = &ctx->imm[(inst->Src[0].Register.Index)];
if (ctx->so && ctx->key->gs_present) {
emit_so_movs(ctx);
}
ret = emit_clip_dist_movs(ctx);
if (ret)
return FALSE;
ret = emit_prescale(ctx);
if (ret)
return FALSE;
if (imd->val[inst->Src[0].Register.SwizzleX].ui > 0) {
ctx->shader_req_bits |= SHADER_REQ_GPU_SHADER5;
snprintf(buf, 255, "EmitStreamVertex(%d);\n", imd->val[inst->Src[0].Register.SwizzleX].ui);
} else
snprintf(buf, 255, "EmitVertex();\n");
EMIT_BUF_WITH_RET(ctx, buf);
break;
}
case TGSI_OPCODE_ENDPRIM: {
struct immed *imd = &ctx->imm[(inst->Src[0].Register.Index)];
if (imd->val[inst->Src[0].Register.SwizzleX].ui > 0) {
ctx->shader_req_bits |= SHADER_REQ_GPU_SHADER5;
snprintf(buf, 255, "EndStreamPrimitive(%d);\n", imd->val[inst->Src[0].Register.SwizzleX].ui);
} else
snprintf(buf, 255, "EndPrimitive();\n");
EMIT_BUF_WITH_RET(ctx, buf);
break;
}
case TGSI_OPCODE_INTERP_CENTROID:
snprintf(buf, 255, "%s = %s(%s(vec4(interpolateAtCentroid(%s))%s));\n", dsts[0], get_string(dstconv), get_string(dtypeprefix), srcs[0], src_swizzle0);
EMIT_BUF_WITH_RET(ctx, buf);
ctx->shader_req_bits |= SHADER_REQ_GPU_SHADER5;
break;
case TGSI_OPCODE_INTERP_SAMPLE:
snprintf(buf, 255, "%s = %s(%s(vec4(interpolateAtSample(%s, %s.x))%s));\n", dsts[0], get_string(dstconv), get_string(dtypeprefix), srcs[0], srcs[1], src_swizzle0);
EMIT_BUF_WITH_RET(ctx, buf);
ctx->shader_req_bits |= SHADER_REQ_GPU_SHADER5;
break;
case TGSI_OPCODE_INTERP_OFFSET:
snprintf(buf, 255, "%s = %s(%s(vec4(interpolateAtOffset(%s, %s.xy))%s));\n", dsts[0], get_string(dstconv), get_string(dtypeprefix), srcs[0], srcs[1], src_swizzle0);
EMIT_BUF_WITH_RET(ctx, buf);
ctx->shader_req_bits |= SHADER_REQ_GPU_SHADER5;
break;
case TGSI_OPCODE_UMUL_HI:
snprintf(buf, 255, "umulExtended(%s, %s, umul_temp, mul_temp);\n", srcs[0], srcs[1]);
EMIT_BUF_WITH_RET(ctx, buf);
snprintf(buf, 255, "%s = %s(%s(umul_temp));\n", dsts[0], get_string(dstconv), get_string(dtypeprefix));
EMIT_BUF_WITH_RET(ctx, buf);
ctx->shader_req_bits |= SHADER_REQ_GPU_SHADER5;
ctx->write_mul_temp = true;
break;
case TGSI_OPCODE_IMUL_HI:
snprintf(buf, 255, "imulExtended(%s, %s, imul_temp, mul_temp);\n", srcs[0], srcs[1]);
EMIT_BUF_WITH_RET(ctx, buf);
snprintf(buf, 255, "%s = %s(%s(imul_temp));\n", dsts[0], get_string(dstconv), get_string(dtypeprefix));
EMIT_BUF_WITH_RET(ctx, buf);
ctx->shader_req_bits |= SHADER_REQ_GPU_SHADER5;
ctx->write_mul_temp = true;
break;
case TGSI_OPCODE_IBFE:
snprintf(buf, 255, "%s = %s(%s(bitfieldExtract(%s, int(%s.x), int(%s.x))));\n", dsts[0], get_string(dstconv), get_string(dtypeprefix), srcs[0], srcs[1], srcs[2]);
EMIT_BUF_WITH_RET(ctx, buf);
ctx->shader_req_bits |= SHADER_REQ_GPU_SHADER5;
break;
case TGSI_OPCODE_UBFE:
snprintf(buf, 255, "%s = %s(%s(bitfieldExtract(%s, int(%s.x), int(%s.x))));\n", dsts[0], get_string(dstconv), get_string(dtypeprefix), srcs[0], srcs[1], srcs[2]);
EMIT_BUF_WITH_RET(ctx, buf);
ctx->shader_req_bits |= SHADER_REQ_GPU_SHADER5;
break;
case TGSI_OPCODE_BFI:
snprintf(buf, 255, "%s = %s(uintBitsToFloat(bitfieldInsert(%s, %s, int(%s), int(%s))));\n", dsts[0], get_string(dstconv), srcs[0], srcs[1], srcs[2], srcs[3]);
EMIT_BUF_WITH_RET(ctx, buf);
ctx->shader_req_bits |= SHADER_REQ_GPU_SHADER5;
break;
case TGSI_OPCODE_BREV:
snprintf(buf, 255, "%s = %s(%s(bitfieldReverse(%s)));\n", dsts[0], get_string(dstconv), get_string(dtypeprefix), srcs[0]);
EMIT_BUF_WITH_RET(ctx, buf);
ctx->shader_req_bits |= SHADER_REQ_GPU_SHADER5;
break;
case TGSI_OPCODE_POPC:
snprintf(buf, 255, "%s = %s(%s(bitCount(%s)));\n", dsts[0], get_string(dstconv), get_string(dtypeprefix), srcs[0]);
EMIT_BUF_WITH_RET(ctx, buf);
ctx->shader_req_bits |= SHADER_REQ_GPU_SHADER5;
break;
case TGSI_OPCODE_LSB:
snprintf(buf, 255, "%s = %s(%s(findLSB(%s)));\n", dsts[0], get_string(dstconv), get_string(dtypeprefix), srcs[0]);
EMIT_BUF_WITH_RET(ctx, buf);
ctx->shader_req_bits |= SHADER_REQ_GPU_SHADER5;
break;
case TGSI_OPCODE_IMSB:
case TGSI_OPCODE_UMSB:
snprintf(buf, 255, "%s = %s(%s(findMSB(%s)));\n", dsts[0], get_string(dstconv), get_string(dtypeprefix), srcs[0]);
EMIT_BUF_WITH_RET(ctx, buf);
ctx->shader_req_bits |= SHADER_REQ_GPU_SHADER5;
break;
case TGSI_OPCODE_BARRIER:
snprintf(buf, 255, "barrier();\n");
break;
default:
fprintf(stderr,"failed to convert opcode %d\n", inst->Instruction.Opcode);
break;
}
if (inst->Instruction.Saturate) {
snprintf(buf, 255, "%s = clamp(%s, 0.0, 1.0);\n", dsts[0], dsts[0]);
EMIT_BUF_WITH_RET(ctx, buf);
}
return TRUE;
}
static boolean
prolog(struct tgsi_iterate_context *iter)
{
struct dump_ctx *ctx = (struct dump_ctx *)iter;
if (ctx->prog_type == -1)
ctx->prog_type = iter->processor.Processor;
if (iter->processor.Processor == TGSI_PROCESSOR_VERTEX &&
ctx->key->gs_present)
require_glsl_ver(ctx, 150);
return TRUE;
}
#define STRCAT_WITH_RET(mainstr, buf) do { \
(mainstr) = strcat_realloc((mainstr), (buf)); \
if ((mainstr) == NULL) return NULL; \
} while(0)
static char *emit_header(struct dump_ctx *ctx, char *glsl_hdr)
{
if (ctx->cfg->use_gles) {
STRCAT_WITH_RET(glsl_hdr, "#version 300 es\n");
STRCAT_WITH_RET(glsl_hdr, "precision highp float;\n");
STRCAT_WITH_RET(glsl_hdr, "precision highp int;\n");
} else {
char buf[128];
if (ctx->prog_type == TGSI_PROCESSOR_GEOMETRY || ctx->glsl_ver_required == 150)
STRCAT_WITH_RET(glsl_hdr, "#version 150\n");
else if (ctx->glsl_ver_required == 140)
STRCAT_WITH_RET(glsl_hdr, "#version 140\n");
else
STRCAT_WITH_RET(glsl_hdr, "#version 130\n");
if (ctx->prog_type == TGSI_PROCESSOR_VERTEX && ctx->cfg->use_explicit_locations)
STRCAT_WITH_RET(glsl_hdr, "#extension GL_ARB_explicit_attrib_location : require\n");
if (ctx->prog_type == TGSI_PROCESSOR_FRAGMENT && fs_emit_layout(ctx))
STRCAT_WITH_RET(glsl_hdr, "#extension GL_ARB_fragment_coord_conventions : require\n");
if (ctx->num_ubo)
STRCAT_WITH_RET(glsl_hdr, "#extension GL_ARB_uniform_buffer_object : require\n");
if (ctx->num_cull_dist_prop || ctx->key->prev_stage_num_cull_out)
STRCAT_WITH_RET(glsl_hdr, "#extension GL_ARB_cull_distance : require\n");
for (uint32_t i = 0; i < ARRAY_SIZE(shader_req_table); i++) {
if (shader_req_table[i].key == SHADER_REQ_SAMPLER_RECT && ctx->glsl_ver_required >= 140)
continue;
if (ctx->shader_req_bits & shader_req_table[i].key) {
snprintf(buf, 128, "#extension %s : require\n", shader_req_table[i].string);
STRCAT_WITH_RET(glsl_hdr, buf);
}
}
}
return glsl_hdr;
}
char vrend_shader_samplerreturnconv(enum tgsi_return_type type)
{
switch (type) {
case TGSI_RETURN_TYPE_SINT:
return 'i';
case TGSI_RETURN_TYPE_UINT:
return 'u';
default:
return ' ';
}
}
const char *vrend_shader_samplertypeconv(int sampler_type, int *is_shad)
{
switch (sampler_type) {
case TGSI_TEXTURE_BUFFER: return "Buffer";
case TGSI_TEXTURE_1D: return "1D";
case TGSI_TEXTURE_2D: return "2D";
case TGSI_TEXTURE_3D: return "3D";
case TGSI_TEXTURE_CUBE: return "Cube";
case TGSI_TEXTURE_RECT: return "2DRect";
case TGSI_TEXTURE_SHADOW1D: *is_shad = 1; return "1DShadow";
case TGSI_TEXTURE_SHADOW2D: *is_shad = 1; return "2DShadow";
case TGSI_TEXTURE_SHADOWRECT: *is_shad = 1; return "2DRectShadow";
case TGSI_TEXTURE_1D_ARRAY: return "1DArray";
case TGSI_TEXTURE_2D_ARRAY: return "2DArray";
case TGSI_TEXTURE_SHADOW1D_ARRAY: *is_shad = 1; return "1DArrayShadow";
case TGSI_TEXTURE_SHADOW2D_ARRAY: *is_shad = 1; return "2DArrayShadow";
case TGSI_TEXTURE_SHADOWCUBE: *is_shad = 1; return "CubeShadow";
case TGSI_TEXTURE_CUBE_ARRAY: return "CubeArray";
case TGSI_TEXTURE_SHADOWCUBE_ARRAY: *is_shad = 1; return "CubeArrayShadow";
case TGSI_TEXTURE_2D_MSAA: return "2DMS";
case TGSI_TEXTURE_2D_ARRAY_MSAA: return "2DMSArray";
default: return NULL;
}
}
static const char *get_interp_string(struct vrend_shader_cfg *cfg, int interpolate, bool flatshade)
{
switch (interpolate) {
case TGSI_INTERPOLATE_LINEAR:
if (!cfg->use_gles)
return "noperspective ";
else
return "";
case TGSI_INTERPOLATE_PERSPECTIVE:
return "smooth ";
case TGSI_INTERPOLATE_CONSTANT:
return "flat ";
case TGSI_INTERPOLATE_COLOR:
if (flatshade)
return "flat ";
default:
return NULL;
}
}
static const char *get_aux_string(struct vrend_shader_cfg *cfg, bool centroid)
{
return centroid ? "centroid " : "";
}
static const char get_return_type_prefix(enum tgsi_return_type type)
{
if (type == TGSI_RETURN_TYPE_SINT)
return 'i';
if (type == TGSI_RETURN_TYPE_UINT)
return 'u';
return ' ';
}
static char *emit_ios(struct dump_ctx *ctx, char *glsl_hdr)
{
int i;
char buf[255];
char postfix[8];
const char *prefix = "", *auxprefix = "";
bool fcolor_emitted[2], bcolor_emitted[2];
int nsamp;
const char *sname = tgsi_proc_to_prefix(ctx->prog_type);
ctx->num_interps = 0;
if (ctx->so && ctx->so->num_outputs >= PIPE_MAX_SO_OUTPUTS) {
fprintf(stderr, "Num outputs exceeded, max is %u\n", PIPE_MAX_SO_OUTPUTS);
return NULL;
}
if (ctx->key->color_two_side) {
fcolor_emitted[0] = fcolor_emitted[1] = false;
bcolor_emitted[0] = bcolor_emitted[1] = false;
}
if (ctx->prog_type == TGSI_PROCESSOR_FRAGMENT) {
if (fs_emit_layout(ctx)) {
bool upper_left = !(ctx->fs_coord_origin ^ ctx->key->invert_fs_origin);
char comma = (upper_left && ctx->fs_pixel_center) ? ',' : ' ';
snprintf(buf, 255, "layout(%s%c%s) in vec4 gl_FragCoord;\n",
upper_left ? "origin_upper_left" : "",
comma,
ctx->fs_pixel_center ? "pixel_center_integer" : "");
STRCAT_WITH_RET(glsl_hdr, buf);
}
}
if (ctx->prog_type == TGSI_PROCESSOR_GEOMETRY) {
char invocbuf[25];
if (ctx->gs_num_invocations)
snprintf(invocbuf, 25, ", invocations = %d", ctx->gs_num_invocations);
snprintf(buf, 255, "layout(%s%s) in;\n", prim_to_name(ctx->gs_in_prim),
ctx->gs_num_invocations > 1 ? invocbuf : "");
STRCAT_WITH_RET(glsl_hdr, buf);
snprintf(buf, 255, "layout(%s, max_vertices = %d) out;\n", prim_to_name(ctx->gs_out_prim), ctx->gs_max_out_verts);
STRCAT_WITH_RET(glsl_hdr, buf);
}
for (i = 0; i < ctx->num_inputs; i++) {
if (!ctx->inputs[i].glsl_predefined_no_emit) {
if (ctx->prog_type == TGSI_PROCESSOR_VERTEX && ctx->cfg->use_explicit_locations) {
snprintf(buf, 255, "layout(location=%d) ", ctx->inputs[i].first);
STRCAT_WITH_RET(glsl_hdr, buf);
}
if (ctx->prog_type == TGSI_PROCESSOR_FRAGMENT &&
(ctx->inputs[i].name == TGSI_SEMANTIC_GENERIC ||
ctx->inputs[i].name == TGSI_SEMANTIC_COLOR)) {
prefix = get_interp_string(ctx->cfg, ctx->inputs[i].interpolate, ctx->key->flatshade);
if (!prefix)
prefix = "";
auxprefix = get_aux_string(ctx->cfg, ctx->inputs[i].centroid);
ctx->num_interps++;
}
if (ctx->prog_type == TGSI_PROCESSOR_GEOMETRY) {
snprintf(postfix, 8, "[%d]", gs_input_prim_to_size(ctx->gs_in_prim));
} else
postfix[0] = 0;
snprintf(buf, 255, "%s%sin vec4 %s%s;\n", prefix, auxprefix, ctx->inputs[i].glsl_name, postfix);
STRCAT_WITH_RET(glsl_hdr, buf);
}
}
if (ctx->write_all_cbufs) {
for (i = 0; i < 8; i++) {
if (ctx->cfg->use_gles)
snprintf(buf, 255, "layout (location=%d) out vec4 fsout_c%d;\n", i, i);
else
snprintf(buf, 255, "out vec4 fsout_c%d;\n", i);
STRCAT_WITH_RET(glsl_hdr, buf);
}
} else {
for (i = 0; i < ctx->num_outputs; i++) {
if (ctx->prog_type == TGSI_PROCESSOR_VERTEX && ctx->key->color_two_side && ctx->outputs[i].sid < 2) {
if (ctx->outputs[i].name == TGSI_SEMANTIC_COLOR)
fcolor_emitted[ctx->outputs[i].sid] = true;
if (ctx->outputs[i].name == TGSI_SEMANTIC_BCOLOR)
bcolor_emitted[ctx->outputs[i].sid] = true;
}
if (!ctx->outputs[i].glsl_predefined_no_emit) {
if ((ctx->prog_type == TGSI_PROCESSOR_VERTEX || ctx->prog_type == TGSI_PROCESSOR_GEOMETRY) && (ctx->outputs[i].name == TGSI_SEMANTIC_GENERIC || ctx->outputs[i].name == TGSI_SEMANTIC_COLOR || ctx->outputs[i].name == TGSI_SEMANTIC_BCOLOR)) {
ctx->num_interps++;
prefix = INTERP_PREFIX;
} else
prefix = "";
/* ugly leave spaces to patch interp in later */
if (ctx->prog_type == TGSI_PROCESSOR_GEOMETRY && ctx->outputs[i].stream)
snprintf(buf, 255, "layout (stream = %d) %s%sout vec4 %s;\n", ctx->outputs[i].stream, prefix, ctx->outputs[i].invariant ? "invariant " : "", ctx->outputs[i].glsl_name);
else
snprintf(buf, 255, "%s%sout vec4 %s;\n", prefix, ctx->outputs[i].invariant ? "invariant " : "", ctx->outputs[i].glsl_name);
STRCAT_WITH_RET(glsl_hdr, buf);
} else if (ctx->outputs[i].invariant) {
snprintf(buf, 255, "invariant %s;\n", ctx->outputs[i].glsl_name);
STRCAT_WITH_RET(glsl_hdr, buf);
}
}
}
if (ctx->prog_type == TGSI_PROCESSOR_VERTEX && ctx->key->color_two_side) {
for (i = 0; i < 2; i++) {
if (fcolor_emitted[i] && !bcolor_emitted[i]) {
snprintf(buf, 255, "%sout vec4 ex_bc%d;\n", INTERP_PREFIX, i);
STRCAT_WITH_RET(glsl_hdr, buf);
}
if (bcolor_emitted[i] && !fcolor_emitted[i]) {
snprintf(buf, 255, "%sout vec4 ex_c%d;\n", INTERP_PREFIX, i);
STRCAT_WITH_RET(glsl_hdr, buf);
}
}
}
if (ctx->prog_type == TGSI_PROCESSOR_VERTEX) {
snprintf(buf, 255, "uniform float winsys_adjust_y;\n");
STRCAT_WITH_RET(glsl_hdr, buf);
if (ctx->has_clipvertex) {
snprintf(buf, 255, "%svec4 clipv_tmp;\n", ctx->has_clipvertex_so ? "out " : "");
STRCAT_WITH_RET(glsl_hdr, buf);
}
if (ctx->num_clip_dist || ctx->key->clip_plane_enable) {
bool has_prop = (ctx->num_clip_dist_prop + ctx->num_cull_dist_prop) > 0;
int num_clip_dists = ctx->num_clip_dist ? ctx->num_clip_dist : 8;
int num_cull_dists = 0;
char cull_buf[64] = { 0 };
char clip_buf[64] = { 0 };
if (has_prop) {
num_clip_dists = ctx->num_clip_dist_prop;
num_cull_dists = ctx->num_cull_dist_prop;
if (num_clip_dists)
snprintf(clip_buf, 64, "out float gl_ClipDistance[%d];\n", num_clip_dists);
if (num_cull_dists)
snprintf(cull_buf, 64, "out float gl_CullDistance[%d];\n", num_cull_dists);
} else
snprintf(clip_buf, 64, "out float gl_ClipDistance[%d];\n", num_clip_dists);
if (ctx->key->clip_plane_enable) {
snprintf(buf, 255, "uniform vec4 clipp[8];\n");
STRCAT_WITH_RET(glsl_hdr, buf);
}
if (ctx->key->gs_present) {
ctx->vs_has_pervertex = true;
snprintf(buf, 255, "out gl_PerVertex {\n vec4 gl_Position;\n float gl_PointSize;\n%s%s};\n", clip_buf, cull_buf);
STRCAT_WITH_RET(glsl_hdr, buf);
} else {
snprintf(buf, 255, "%s%s", clip_buf, cull_buf);
STRCAT_WITH_RET(glsl_hdr, buf);
}
snprintf(buf, 255, "vec4 clip_dist_temp[2];\n");
STRCAT_WITH_RET(glsl_hdr, buf);
}
}
if (ctx->prog_type == TGSI_PROCESSOR_GEOMETRY) {
snprintf(buf, 255, "uniform float winsys_adjust_y;\n");
STRCAT_WITH_RET(glsl_hdr, buf);
if (ctx->num_in_clip_dist || ctx->key->clip_plane_enable || ctx->key->prev_stage_pervertex_out) {
int clip_dist, cull_dist;
char clip_var[64] = {}, cull_var[64] = {};
clip_dist = ctx->key->prev_stage_num_clip_out ? ctx->key->prev_stage_num_clip_out : ctx->num_in_clip_dist;
cull_dist = ctx->key->prev_stage_num_cull_out;
if (clip_dist)
snprintf(clip_var, 64, "float gl_ClipDistance[%d];\n", clip_dist);
if (cull_dist)
snprintf(cull_var, 64, "float gl_CullDistance[%d];\n", cull_dist);
snprintf(buf, 255, "in gl_PerVertex {\n vec4 gl_Position;\n float gl_PointSize; \n %s%s\n} gl_in[];\n", clip_var, cull_var);
STRCAT_WITH_RET(glsl_hdr, buf);
}
if (ctx->num_clip_dist) {
bool has_prop = (ctx->num_clip_dist_prop + ctx->num_cull_dist_prop) > 0;
int num_clip_dists = ctx->num_clip_dist ? ctx->num_clip_dist : 8;
int num_cull_dists = 0;
char cull_buf[64] = { 0 };
char clip_buf[64] = { 0 };
if (has_prop) {
num_clip_dists = ctx->num_clip_dist_prop;
num_cull_dists = ctx->num_cull_dist_prop;
if (num_clip_dists)
snprintf(clip_buf, 64, "out float gl_ClipDistance[%d];\n", num_clip_dists);
if (num_cull_dists)
snprintf(cull_buf, 64, "out float gl_CullDistance[%d];\n", num_cull_dists);
} else
snprintf(clip_buf, 64, "out float gl_ClipDistance[%d];\n", num_clip_dists);
snprintf(buf, 255, "%s%s\n", clip_buf, cull_buf);
STRCAT_WITH_RET(glsl_hdr, buf);
snprintf(buf, 255, "vec4 clip_dist_temp[2];\n");
STRCAT_WITH_RET(glsl_hdr, buf);
}
}
if (ctx->prog_type == TGSI_PROCESSOR_FRAGMENT && ctx->num_in_clip_dist) {
if (ctx->key->prev_stage_num_clip_out) {
snprintf(buf, 255, "in float gl_ClipDistance[%d];\n", ctx->key->prev_stage_num_clip_out);
STRCAT_WITH_RET(glsl_hdr, buf);
}
if (ctx->key->prev_stage_num_cull_out) {
snprintf(buf, 255, "in float gl_CullDistance[%d];\n", ctx->key->prev_stage_num_cull_out);
STRCAT_WITH_RET(glsl_hdr, buf);
}
}
if (ctx->so) {
char outtype[6] = {0};
for (i = 0; i < ctx->so->num_outputs; i++) {
if (!ctx->write_so_outputs[i])
continue;
if (ctx->so->output[i].num_components == 1)
snprintf(outtype, 6, "float");
else
snprintf(outtype, 6, "vec%d", ctx->so->output[i].num_components);
if (ctx->so->output[i].stream && ctx->prog_type == TGSI_PROCESSOR_GEOMETRY)
snprintf(buf, 255, "layout (stream=%d) out %s tfout%d;\n", ctx->so->output[i].stream, outtype, i);
else
snprintf(buf, 255, "out %s tfout%d;\n", outtype, i);
STRCAT_WITH_RET(glsl_hdr, buf);
}
}
for (i = 0; i < ctx->num_temp_ranges; i++) {
snprintf(buf, 255, "vec4 temp%d[%d];\n", ctx->temp_ranges[i].first, ctx->temp_ranges[i].last - ctx->temp_ranges[i].first + 1);
STRCAT_WITH_RET(glsl_hdr, buf);
}
if (ctx->write_mul_temp) {
snprintf(buf, 255, "uvec4 mul_temp;\n");
STRCAT_WITH_RET(glsl_hdr, buf);
snprintf(buf, 255, "uvec4 umul_temp;\n");
STRCAT_WITH_RET(glsl_hdr, buf);
snprintf(buf, 255, "ivec4 imul_temp;\n");
STRCAT_WITH_RET(glsl_hdr, buf);
}
for (i = 0; i < ctx->num_address; i++) {
snprintf(buf, 255, "int addr%d;\n", i);
STRCAT_WITH_RET(glsl_hdr, buf);
}
if (ctx->num_consts) {
const char *cname = tgsi_proc_to_prefix(ctx->prog_type);
snprintf(buf, 255, "uniform uvec4 %sconst0[%d];\n", cname, ctx->num_consts);
STRCAT_WITH_RET(glsl_hdr, buf);
}
if (ctx->key->color_two_side) {
if (ctx->color_in_mask & 1) {
snprintf(buf, 255, "vec4 realcolor0;\n");
STRCAT_WITH_RET(glsl_hdr, buf);
}
if (ctx->color_in_mask & 2) {
snprintf(buf, 255, "vec4 realcolor1;\n");
STRCAT_WITH_RET(glsl_hdr, buf);
}
}
if (ctx->num_ubo) {
const char *cname = tgsi_proc_to_prefix(ctx->prog_type);
if (ctx->info.dimension_indirect_files & (1 << TGSI_FILE_CONSTANT)) {
require_glsl_ver(ctx, 150);
snprintf(buf, 255, "uniform %subo { vec4 ubocontents[%d]; } %suboarr[%d];\n", cname, ctx->ubo_sizes[0], cname, ctx->num_ubo);
STRCAT_WITH_RET(glsl_hdr, buf);
} else {
for (i = 0; i < ctx->num_ubo; i++) {
snprintf(buf, 255, "uniform %subo%d { vec4 %subo%dcontents[%d]; };\n", cname, ctx->ubo_idx[i], cname, ctx->ubo_idx[i], ctx->ubo_sizes[i]);
STRCAT_WITH_RET(glsl_hdr, buf);
}
}
}
if (ctx->info.indirect_files & (1 << TGSI_FILE_SAMPLER)) {
for (i = 0; i < ctx->num_sampler_arrays; i++) {
int is_shad = 0;
const char *stc;
stc = vrend_shader_samplertypeconv(ctx->sampler_arrays[i].sview_type, &is_shad);
if (!stc)
continue;
snprintf(buf, 255, "uniform %csampler%s %ssamp%d[%d];\n",
get_return_type_prefix(ctx->sampler_arrays[i].sview_rtype),
stc, sname, ctx->sampler_arrays[i].idx,
ctx->sampler_arrays[i].last - ctx->sampler_arrays[i].first);
STRCAT_WITH_RET(glsl_hdr, buf);
}
} else {
nsamp = util_last_bit(ctx->samplers_used);
for (i = 0; i < nsamp; i++) {
int is_shad = 0;
const char *stc;
char ptc;
if ((ctx->samplers_used & (1 << i)) == 0)
continue;
const char *sname;
const char *precision;
ptc = vrend_shader_samplerreturnconv(ctx->samplers[i].tgsi_sampler_return);
stc = vrend_shader_samplertypeconv(ctx->samplers[i].tgsi_sampler_type, &is_shad);
sname = tgsi_proc_to_prefix(ctx->prog_type);
if (ctx->cfg->use_gles) {
precision = "highp ";
} else {
precision = " ";
}
/* OpenGL ES do not support 1D texture
* so we use a 2D texture with a parameter set to 0.5
*/
if (ctx->cfg->use_gles && !strcmp(stc, "1D"))
snprintf(buf, 255, "uniform %csampler2D %ssamp%d;\n", ptc, sname, i);
else
snprintf(buf, 255, "uniform %s%csampler%s %ssamp%d;\n", precision, ptc, stc, sname, i);
STRCAT_WITH_RET(glsl_hdr, buf);
if (is_shad) {
snprintf(buf, 255, "uniform %svec4 %sshadmask%d;\n", precision, sname, i);
STRCAT_WITH_RET(glsl_hdr, buf);
snprintf(buf, 255, "uniform %svec4 %sshadadd%d;\n", precision, sname, i);
STRCAT_WITH_RET(glsl_hdr, buf);
ctx->shadow_samp_mask |= (1 << i);
}
}
}
if (ctx->prog_type == TGSI_PROCESSOR_FRAGMENT &&
ctx->key->pstipple_tex == true) {
snprintf(buf, 255, "uniform sampler2D pstipple_sampler;\nfloat stip_temp;\n");
STRCAT_WITH_RET(glsl_hdr, buf);
}
return glsl_hdr;
}
static boolean fill_fragment_interpolants(struct dump_ctx *ctx, struct vrend_shader_info *sinfo)
{
int i, index = 0;
for (i = 0; i < ctx->num_inputs; i++) {
if (ctx->inputs[i].glsl_predefined_no_emit)
continue;
if (ctx->inputs[i].name != TGSI_SEMANTIC_GENERIC &&
ctx->inputs[i].name != TGSI_SEMANTIC_COLOR)
continue;
if (index >= ctx->num_interps) {
fprintf(stderr, "mismatch in number of interps %d %d\n", index, ctx->num_interps);
return TRUE;
}
sinfo->interpinfo[index].semantic_name = ctx->inputs[i].name;
sinfo->interpinfo[index].semantic_index = ctx->inputs[i].sid;
sinfo->interpinfo[index].interpolate = ctx->inputs[i].interpolate;
sinfo->interpinfo[index].centroid = ctx->inputs[i].centroid;
index++;
}
return TRUE;
}
static boolean fill_interpolants(struct dump_ctx *ctx, struct vrend_shader_info *sinfo)
{
boolean ret;
if (!ctx->num_interps)
return TRUE;
if (ctx->prog_type == TGSI_PROCESSOR_VERTEX || ctx->prog_type == TGSI_PROCESSOR_GEOMETRY)
return TRUE;
free(sinfo->interpinfo);
sinfo->interpinfo = calloc(ctx->num_interps, sizeof(struct vrend_interp_info));
if (!sinfo->interpinfo)
return FALSE;
ret = fill_fragment_interpolants(ctx, sinfo);
if (ret == FALSE)
goto out_fail;
return TRUE;
out_fail:
free(sinfo->interpinfo);
return FALSE;
}
char *vrend_convert_shader(struct vrend_shader_cfg *cfg,
const struct tgsi_token *tokens,
struct vrend_shader_key *key,
struct vrend_shader_info *sinfo)
{
struct dump_ctx ctx;
char *glsl_final = NULL;
boolean bret;
char *glsl_hdr = NULL;
memset(&ctx, 0, sizeof(struct dump_ctx));
ctx.iter.prolog = prolog;
ctx.iter.iterate_instruction = iter_instruction;
ctx.iter.iterate_declaration = iter_declaration;
ctx.iter.iterate_immediate = iter_immediate;
ctx.iter.iterate_property = iter_property;
ctx.iter.epilog = NULL;
ctx.key = key;
ctx.cfg = cfg;
ctx.prog_type = -1;
ctx.num_sampler_arrays = 0;
ctx.sampler_arrays = NULL;
ctx.last_sampler_array_idx = -1;
tgsi_scan_shader(tokens, &ctx.info);
/* if we are in core profile mode we should use GLSL 1.40 */
if (cfg->use_core_profile && cfg->glsl_version >= 140)
require_glsl_ver(&ctx, 140);
if (sinfo->so_info.num_outputs) {
ctx.so = &sinfo->so_info;
ctx.so_names = calloc(sinfo->so_info.num_outputs, sizeof(char *));
if (!ctx.so_names)
goto fail;
} else
ctx.so_names = NULL;
if (ctx.info.dimension_indirect_files & (1 << TGSI_FILE_CONSTANT))
require_glsl_ver(&ctx, 150);
if (ctx.info.indirect_files & (1 << TGSI_FILE_SAMPLER))
ctx.shader_req_bits |= SHADER_REQ_GPU_SHADER5;
ctx.glsl_main = malloc(4096);
if (!ctx.glsl_main)
goto fail;
ctx.glsl_main[0] = '\0';
bret = tgsi_iterate_shader(tokens, &ctx.iter);
if (bret == FALSE)
goto fail;
glsl_hdr = malloc(1024);
if (!glsl_hdr)
goto fail;
glsl_hdr[0] = '\0';
glsl_hdr = emit_header(&ctx, glsl_hdr);
if (!glsl_hdr)
goto fail;
glsl_hdr = emit_ios(&ctx, glsl_hdr);
if (!glsl_hdr)
goto fail;
glsl_final = malloc(strlen(glsl_hdr) + strlen(ctx.glsl_main) + 1);
if (!glsl_final)
goto fail;
glsl_final[0] = '\0';
bret = fill_interpolants(&ctx, sinfo);
if (bret == FALSE)
goto fail;
strcat(glsl_final, glsl_hdr);
strcat(glsl_final, ctx.glsl_main);
if (vrend_dump_shaders)
fprintf(stderr,"GLSL: %s\n", glsl_final);
free(ctx.temp_ranges);
free(ctx.glsl_main);
free(glsl_hdr);
sinfo->num_ucp = ctx.key->clip_plane_enable ? 8 : 0;
sinfo->has_pervertex_out = ctx.vs_has_pervertex;
bool has_prop = (ctx.num_clip_dist_prop + ctx.num_cull_dist_prop) > 0;
sinfo->num_clip_out = has_prop ? ctx.num_clip_dist_prop : (ctx.num_clip_dist ? ctx.num_clip_dist : 8);
sinfo->num_cull_out = has_prop ? ctx.num_cull_dist_prop : 0;
sinfo->samplers_used_mask = ctx.samplers_used;
sinfo->num_consts = ctx.num_consts;
sinfo->num_ubos = ctx.num_ubo;
memcpy(sinfo->ubo_idx, ctx.ubo_idx, ctx.num_ubo * sizeof(*ctx.ubo_idx));
sinfo->ubo_indirect = ctx.info.dimension_indirect_files & (1 << TGSI_FILE_CONSTANT);
sinfo->num_inputs = ctx.num_inputs;
sinfo->num_interps = ctx.num_interps;
sinfo->num_outputs = ctx.num_outputs;
sinfo->shadow_samp_mask = ctx.shadow_samp_mask;
sinfo->glsl_ver = ctx.glsl_ver_required;
sinfo->gs_out_prim = ctx.gs_out_prim;
sinfo->so_names = ctx.so_names;
sinfo->attrib_input_mask = ctx.attrib_input_mask;
sinfo->sampler_arrays = ctx.sampler_arrays;
sinfo->num_sampler_arrays = ctx.num_sampler_arrays;
return glsl_final;
fail:
free(ctx.glsl_main);
free(glsl_final);
free(glsl_hdr);
free(ctx.so_names);
free(ctx.temp_ranges);
return NULL;
}
static void replace_interp(char *program,
const char *var_name,
const char *pstring, const char *auxstring)
{
char *ptr;
int mylen = strlen(INTERP_PREFIX) + strlen("out vec4 ");
ptr = strstr(program, var_name);
if (!ptr)
return;
ptr -= mylen;
memset(ptr, ' ', strlen(INTERP_PREFIX));
memcpy(ptr, pstring, strlen(pstring));
memcpy(ptr + strlen(pstring), auxstring, strlen(auxstring));
}
bool vrend_patch_vertex_shader_interpolants(struct vrend_shader_cfg *cfg, char *program,
struct vrend_shader_info *vs_info,
struct vrend_shader_info *fs_info, const char *oprefix, bool flatshade)
{
int i;
const char *pstring, *auxstring;
char glsl_name[64];
if (!vs_info || !fs_info)
return true;
if (!fs_info->interpinfo)
return true;
for (i = 0; i < fs_info->num_interps; i++) {
pstring = get_interp_string(cfg, fs_info->interpinfo[i].interpolate, flatshade);
if (!pstring)
continue;
auxstring = get_aux_string(cfg, fs_info->interpinfo[i].centroid);
switch (fs_info->interpinfo[i].semantic_name) {
case TGSI_SEMANTIC_COLOR:
/* color is a bit trickier */
if (fs_info->glsl_ver < 140) {
if (fs_info->interpinfo[i].semantic_index == 1) {
replace_interp(program, "gl_FrontSecondaryColor", pstring, auxstring);
replace_interp(program, "gl_BackSecondaryColor", pstring, auxstring);
} else {
replace_interp(program, "gl_FrontColor", pstring, auxstring);
replace_interp(program, "gl_BackColor", pstring, auxstring);
}
} else {
snprintf(glsl_name, 64, "ex_c%d", fs_info->interpinfo[i].semantic_index);
replace_interp(program, glsl_name, pstring, auxstring);
snprintf(glsl_name, 64, "ex_bc%d", fs_info->interpinfo[i].semantic_index);
replace_interp(program, glsl_name, pstring, auxstring);
}
break;
case TGSI_SEMANTIC_GENERIC:
snprintf(glsl_name, 64, "%s_g%d", oprefix, fs_info->interpinfo[i].semantic_index);
replace_interp(program, glsl_name, pstring, auxstring);
break;
default:
fprintf(stderr,"unhandled semantic: %x\n", fs_info->interpinfo[i].semantic_name);
return false;
}
}
if (vrend_dump_shaders)
fprintf(stderr,"GLSL: post interp: %s\n", program);
return true;
}