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shader: use string array handler to store current strings.

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This uses the string array helpers to pass around the glsl strings
for the program.

This could be expanded on to provide more than 2 strings easily

Reviewed-By: Gert Wollny <gert.wollny@collabora.com>
Reviewed-by: Gurchetan Singh <gurchetansingh@chromium.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
macos/master
Dave Airlie 6 years ago
parent fb71f03c99
commit dd06126de9
3 changed files with 64 additions and 57 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. 29
      src/vrend_renderer.c
  2. 66
      src/vrend_shader.c
  3. 10
      src/vrend_shader.h

29
src/vrend_renderer.c
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@ -311,7 +311,7 @@ struct vrend_shader {
struct vrend_shader *next_variant;
struct vrend_shader_selector *sel;
GLchar *glsl_prog;
struct vrend_strarray glsl_strings;
GLuint id;
GLuint compiled_fs_id;
struct vrend_shader_key key;
@ -823,7 +823,9 @@ vrend_so_target_reference(struct vrend_so_target **ptr, struct vrend_so_target *
static void vrend_shader_dump(struct vrend_shader *shader)
{
const char *prefix = pipe_shader_to_prefix(shader->sel->type);
vrend_printf("%s: %d GLSL:\n%s\n", prefix, shader->id, shader->glsl_prog);
vrend_printf("%s: %d GLSL:\n", prefix, shader->id);
strarray_dump(&shader->glsl_strings);
vrend_printf("\n");
}
static void vrend_shader_destroy(struct vrend_shader *shader)
@ -835,7 +837,7 @@ static void vrend_shader_destroy(struct vrend_shader *shader)
}
glDeleteShader(shader->id);
free(shader->glsl_prog);
strarray_free(&shader->glsl_strings, true);
free(shader);
}
@ -864,7 +866,11 @@ static bool vrend_compile_shader(struct vrend_context *ctx,
struct vrend_shader *shader)
{
GLint param;
glShaderSource(shader->id, 1, (const char **)&shader->glsl_prog, NULL);
const char *shader_parts[SHADER_MAX_STRINGS];
for (int i = 0; i < shader->glsl_strings.num_strings; i++)
shader_parts[i] = shader->glsl_strings.strings[i].buf;
glShaderSource(shader->id, shader->glsl_strings.num_strings, shader_parts, NULL);
glCompileShader(shader->id);
glGetShaderiv(shader->id, GL_COMPILE_STATUS, &param);
if (param == GL_FALSE) {
@ -1300,15 +1306,15 @@ static struct vrend_linked_shader_program *add_shader_program(struct vrend_conte
bool ret;
if (gs)
vrend_patch_vertex_shader_interpolants(ctx, &ctx->shader_cfg, gs->glsl_prog,
vrend_patch_vertex_shader_interpolants(ctx, &ctx->shader_cfg, &gs->glsl_strings,
&gs->sel->sinfo,
&fs->sel->sinfo, "gso", fs->key.flatshade);
else if (tes)
vrend_patch_vertex_shader_interpolants(ctx, &ctx->shader_cfg, tes->glsl_prog,
vrend_patch_vertex_shader_interpolants(ctx, &ctx->shader_cfg, &tes->glsl_strings,
&tes->sel->sinfo,
&fs->sel->sinfo, "teo", fs->key.flatshade);
else
vrend_patch_vertex_shader_interpolants(ctx, &ctx->shader_cfg, vs->glsl_prog,
vrend_patch_vertex_shader_interpolants(ctx, &ctx->shader_cfg, &vs->glsl_strings,
&vs->sel->sinfo,
&fs->sel->sinfo, "vso", fs->key.flatshade);
ret = vrend_compile_shader(ctx, gs ? gs : (tes ? tes : vs));
@ -2937,9 +2943,9 @@ static int vrend_shader_create(struct vrend_context *ctx,
shader->id = glCreateShader(conv_shader_type(shader->sel->type));
shader->compiled_fs_id = 0;
shader->glsl_prog = vrend_convert_shader(ctx, &ctx->shader_cfg, shader->sel->tokens,
shader->sel->req_local_mem, &key, &shader->sel->sinfo);
if (!shader->glsl_prog) {
bool ret = vrend_convert_shader(ctx, &ctx->shader_cfg, shader->sel->tokens,
shader->sel->req_local_mem, &key, &shader->sel->sinfo, &shader->glsl_strings);
if (!ret) {
report_context_error(ctx, VIRGL_ERROR_CTX_ILLEGAL_SHADER, 0);
glDeleteShader(shader->id);
return -1;
@ -2951,7 +2957,7 @@ static int vrend_shader_create(struct vrend_context *ctx,
ret = vrend_compile_shader(ctx, shader);
if (ret == false) {
glDeleteShader(shader->id);
free(shader->glsl_prog);
strarray_free(&shader->glsl_strings, true);
return -1;
}
}
@ -2989,6 +2995,7 @@ static int vrend_shader_select(struct vrend_context *ctx,
shader = CALLOC_STRUCT(vrend_shader);
shader->sel = sel;
list_inithead(&shader->programs);
strarray_alloc(&shader->glsl_strings, SHADER_MAX_STRINGS);
r = vrend_shader_create(ctx, shader, key);
if (r) {

66
src/vrend_shader.c
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@ -4956,15 +4956,15 @@ static boolean analyze_instruction(struct tgsi_iterate_context *iter,
return true;
}
char *vrend_convert_shader(struct vrend_context *rctx,
bool vrend_convert_shader(struct vrend_context *rctx,
struct vrend_shader_cfg *cfg,
const struct tgsi_token *tokens,
uint32_t req_local_mem,
struct vrend_shader_key *key,
struct vrend_shader_info *sinfo)
struct vrend_shader_info *sinfo,
struct vrend_strarray *shader)
{
struct dump_ctx ctx;
char *glsl_final = NULL;
boolean bret;
memset(&ctx, 0, sizeof(struct dump_ctx));
@ -4973,7 +4973,7 @@ char *vrend_convert_shader(struct vrend_context *rctx,
ctx.iter.iterate_instruction = analyze_instruction;
bret = tgsi_iterate_shader(tokens, &ctx.iter);
if (bret == false)
return NULL;
return false;
ctx.iter.prolog = prolog;
ctx.iter.iterate_instruction = iter_instruction;
@ -5035,21 +5035,11 @@ char *vrend_convert_shader(struct vrend_context *rctx,
if (strbuf_get_error(&ctx.glsl_hdr))
goto fail;
glsl_final = malloc(strbuf_get_len(&ctx.glsl_hdr) + strbuf_get_len(&ctx.glsl_main) + 1);
if (!glsl_final)
goto fail;
bret = fill_interpolants(&ctx, sinfo);
if (bret == false)
goto fail;
memcpy(glsl_final, ctx.glsl_hdr.buf, strbuf_get_len(&ctx.glsl_hdr));
memcpy(glsl_final + strbuf_get_len(&ctx.glsl_hdr), ctx.glsl_main.buf, strbuf_get_len(&ctx.glsl_main));
glsl_final[strbuf_get_len(&ctx.glsl_hdr) + strbuf_get_len(&ctx.glsl_main)] = '\0';
free(ctx.temp_ranges);
strbuf_free(&ctx.glsl_main);
strbuf_free(&ctx.glsl_hdr);
sinfo->num_ucp = ctx.key->clip_plane_enable ? 8 : 0;
sinfo->has_pervertex_out = ctx.vs_has_pervertex;
sinfo->has_sample_input = ctx.has_sample_input;
@ -5105,25 +5095,28 @@ char *vrend_convert_shader(struct vrend_context *rctx,
sinfo->image_arrays = ctx.image_arrays;
sinfo->num_image_arrays = ctx.num_image_arrays;
VREND_DEBUG(dbg_shader_glsl, rctx, "GLSL: %s\n", glsl_final);
return glsl_final;
strarray_addstrbuf(shader, &ctx.glsl_hdr);
strarray_addstrbuf(shader, &ctx.glsl_main);
VREND_DEBUG(dbg_shader_glsl, rctx, "GLSL:");
VREND_DEBUG_EXT(dbg_shader_glsl, rctx, strarray_dump(shader));
VREND_DEBUG(dbg_shader_glsl, rctx, "\n");
return true;
fail:
strbuf_free(&ctx.glsl_main);
free(glsl_final);
strbuf_free(&ctx.glsl_hdr);
free(ctx.so_names);
free(ctx.temp_ranges);
return NULL;
return false;
}
static void replace_interp(char *program,
static void replace_interp(struct vrend_strarray *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);
ptr = strstr(program->strings[0].buf, var_name);
if (!ptr)
return;
@ -5137,10 +5130,10 @@ static void replace_interp(char *program,
static const char *gpu_shader5_string = "#extension GL_ARB_gpu_shader5 : require\n";
static void require_gpu_shader5(char *program)
static void require_gpu_shader5(struct vrend_strarray *program)
{
/* the first line is the #version line */
char *ptr = strchr(program, '\n');
char *ptr = strchr(program->strings[0].buf, '\n');
if (!ptr)
return;
ptr++;
@ -5152,10 +5145,10 @@ static const char *gpu_shader5_and_msinterp_string =
"#extension GL_OES_gpu_shader5 : require\n"
"#extension GL_OES_shader_multisample_interpolation : require\n";
static void require_gpu_shader5_and_msinterp(char *program)
static void require_gpu_shader5_and_msinterp(struct vrend_strarray *program)
{
/* the first line is the #version line */
char *ptr = strchr(program, '\n');
char *ptr = strchr(program->strings[0].buf, '\n');
if (!ptr)
return;
ptr++;
@ -5164,7 +5157,8 @@ static void require_gpu_shader5_and_msinterp(char *program)
}
bool vrend_patch_vertex_shader_interpolants(struct vrend_context *rctx,
struct vrend_shader_cfg *cfg, char *program,
struct vrend_shader_cfg *cfg,
struct vrend_strarray *prog_strings,
struct vrend_shader_info *vs_info,
struct vrend_shader_info *fs_info,
const char *oprefix, bool flatshade)
@ -5180,10 +5174,10 @@ bool vrend_patch_vertex_shader_interpolants(struct vrend_context *rctx,
if (fs_info->has_sample_input) {
if (!cfg->use_gles && (cfg->glsl_version >= 320))
require_gpu_shader5(program);
require_gpu_shader5(prog_strings);
if (cfg->use_gles && (cfg->glsl_version < 320))
require_gpu_shader5_and_msinterp(program);
require_gpu_shader5_and_msinterp(prog_strings);
}
for (i = 0; i < fs_info->num_interps; i++) {
@ -5199,22 +5193,22 @@ bool vrend_patch_vertex_shader_interpolants(struct vrend_context *rctx,
/* 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);
replace_interp(prog_strings, "gl_FrontSecondaryColor", pstring, auxstring);
replace_interp(prog_strings, "gl_BackSecondaryColor", pstring, auxstring);
} else {
replace_interp(program, "gl_FrontColor", pstring, auxstring);
replace_interp(program, "gl_BackColor", pstring, auxstring);
replace_interp(prog_strings, "gl_FrontColor", pstring, auxstring);
replace_interp(prog_strings, "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);
replace_interp(prog_strings, glsl_name, pstring, auxstring);
snprintf(glsl_name, 64, "ex_bc%d", fs_info->interpinfo[i].semantic_index);
replace_interp(program, glsl_name, pstring, auxstring);
replace_interp(prog_strings, 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);
replace_interp(prog_strings, glsl_name, pstring, auxstring);
break;
default:
vrend_printf("unhandled semantic: %x\n", fs_info->interpinfo[i].semantic_name);
@ -5222,7 +5216,9 @@ bool vrend_patch_vertex_shader_interpolants(struct vrend_context *rctx,
}
}
VREND_DEBUG(dbg_shader_glsl, rctx, "GLSL: post interp: %s\n", program);
VREND_DEBUG(dbg_shader_glsl, rctx, "GLSL:");
VREND_DEBUG_EXT(dbg_shader_glsl, rctx, strarray_dump(prog_strings));
VREND_DEBUG(dbg_shader_glsl, rctx, "\n");
return true;
}

10
src/vrend_shader.h
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@ -28,6 +28,7 @@
#include "pipe/p_state.h"
#include "pipe/p_shader_tokens.h"
#include "vrend_strbuf.h"
/* need to store patching info for interpolation */
struct vrend_interp_info {
int semantic_name;
@ -113,19 +114,22 @@ struct vrend_shader_cfg {
struct vrend_context;
#define SHADER_MAX_STRINGS 2
bool vrend_patch_vertex_shader_interpolants(struct vrend_context *rctx,
struct vrend_shader_cfg *cfg,
char *program,
struct vrend_strarray *shader,
struct vrend_shader_info *vs_info,
struct vrend_shader_info *fs_info,
const char *oprefix, bool flatshade);
char *vrend_convert_shader(struct vrend_context *rctx,
bool vrend_convert_shader(struct vrend_context *rctx,
struct vrend_shader_cfg *cfg,
const struct tgsi_token *tokens,
uint32_t req_local_mem,
struct vrend_shader_key *key,
struct vrend_shader_info *sinfo);
struct vrend_shader_info *sinfo,
struct vrend_strarray *shader);
const char *vrend_shader_samplertypeconv(bool use_gles, int sampler_type, int *is_shad);

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