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virglrenderer/src/vrend_decode.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 <stdint.h>
#include <string.h>
#include <stdio.h>
#include <errno.h>
#include <epoxy/gl.h>
#include "util/u_memory.h"
#include "pipe/p_state.h"
#include "pipe/p_shader_tokens.h"
#include "vrend_renderer.h"
#include "vrend_object.h"
#include "tgsi/tgsi_text.h"
/* decode side */
#define DECODE_MAX_TOKENS 8000
struct vrend_decoder_state {
uint32_t *buf;
uint32_t buf_total;
uint32_t buf_offset;
};
struct vrend_decode_ctx {
struct vrend_decoder_state ids, *ds;
struct vrend_context *grctx;
};
#define VREND_MAX_CTX 16
static struct vrend_decode_ctx *dec_ctx[VREND_MAX_CTX];
static inline uint32_t get_buf_entry(struct vrend_decode_ctx *ctx, uint32_t offset)
{
return ctx->ds->buf[ctx->ds->buf_offset + offset];
}
static inline void *get_buf_ptr(struct vrend_decode_ctx *ctx,
uint32_t offset)
{
return &ctx->ds->buf[ctx->ds->buf_offset + offset];
}
static int vrend_decode_create_shader(struct vrend_decode_ctx *ctx, uint32_t type,
uint32_t handle,
uint16_t length)
{
struct pipe_shader_state *state;
struct tgsi_token *tokens;
int i, ret;
uint32_t shader_offset;
unsigned num_tokens;
uint8_t *shd_text;
if (length < 3)
return EINVAL;
state = CALLOC_STRUCT(pipe_shader_state);
if (!state)
return ENOMEM;
num_tokens = get_buf_entry(ctx, VIRGL_OBJ_SHADER_NUM_TOKENS);
if (num_tokens == 0)
num_tokens = 300;
tokens = calloc(num_tokens + 10, sizeof(struct tgsi_token));
if (!tokens) {
free(state);
return ENOMEM;
}
state->stream_output.num_outputs = get_buf_entry(ctx, VIRGL_OBJ_SHADER_SO_NUM_OUTPUTS);
if (state->stream_output.num_outputs) {
for (i = 0; i < 4; i++)
state->stream_output.stride[i] = get_buf_entry(ctx, VIRGL_OBJ_SHADER_SO_STRIDE(i));
for (i = 0; i < state->stream_output.num_outputs; i++) {
uint32_t tmp = get_buf_entry(ctx, VIRGL_OBJ_SHADER_SO_OUTPUT0(i));
state->stream_output.output[i].register_index = tmp & 0xff;
state->stream_output.output[i].start_component = (tmp >> 8) & 0x3;
state->stream_output.output[i].num_components = (tmp >> 10) & 0x7;
state->stream_output.output[i].output_buffer = (tmp >> 13) & 0x7;
state->stream_output.output[i].dst_offset = (tmp >> 16) & 0xffff;
}
shader_offset = 8 + state->stream_output.num_outputs;
} else
shader_offset = 4;
shd_text = get_buf_ptr(ctx, shader_offset);
if (vrend_dump_shaders)
fprintf(stderr,"shader\n%s\n", shd_text);
if (!tgsi_text_translate((const char *)shd_text, tokens, num_tokens + 10)) {
fprintf(stderr,"failed to translate\n %s\n", shd_text);
free(tokens);
free(state);
return EINVAL;
}
state->tokens = tokens;
ret = vrend_create_shader(ctx->grctx, handle, state, type);
free(tokens);
free(state);
return ret;
}
static int vrend_decode_create_stream_output_target(struct vrend_decode_ctx *ctx, uint32_t handle, uint16_t length)
{
uint32_t res_handle, buffer_size, buffer_offset;
if (length != VIRGL_OBJ_STREAMOUT_SIZE)
return EINVAL;
res_handle = get_buf_entry(ctx, VIRGL_OBJ_STREAMOUT_RES_HANDLE);
buffer_offset = get_buf_entry(ctx, VIRGL_OBJ_STREAMOUT_BUFFER_OFFSET);
buffer_size = get_buf_entry(ctx, VIRGL_OBJ_STREAMOUT_BUFFER_SIZE);
return vrend_create_so_target(ctx->grctx, handle, res_handle, buffer_offset,
buffer_size);
}
static int vrend_decode_set_framebuffer_state(struct vrend_decode_ctx *ctx, int length)
{
uint32_t nr_cbufs = get_buf_entry(ctx, VIRGL_SET_FRAMEBUFFER_STATE_NR_CBUFS);
uint32_t zsurf_handle = get_buf_entry(ctx, VIRGL_SET_FRAMEBUFFER_STATE_NR_ZSURF_HANDLE);
uint32_t surf_handle[8];
int i;
if (length < 2)
return EINVAL;
if (length != (2 + nr_cbufs))
return EINVAL;
for (i = 0; i < nr_cbufs; i++)
surf_handle[i] = get_buf_entry(ctx, VIRGL_SET_FRAMEBUFFER_STATE_CBUF_HANDLE(i));
vrend_set_framebuffer_state(ctx->grctx, nr_cbufs, surf_handle, zsurf_handle);
return 0;
}
static int vrend_decode_clear(struct vrend_decode_ctx *ctx, int length)
{
union pipe_color_union color;
double depth;
unsigned stencil, buffers;
int i;
if (length != VIRGL_OBJ_CLEAR_SIZE)
return EINVAL;
buffers = get_buf_entry(ctx, VIRGL_OBJ_CLEAR_BUFFERS);
for (i = 0; i < 4; i++)
color.ui[i] = get_buf_entry(ctx, VIRGL_OBJ_CLEAR_COLOR_0 + i);
depth = *(double *)(uint64_t *)get_buf_ptr(ctx, VIRGL_OBJ_CLEAR_DEPTH_0);
stencil = get_buf_entry(ctx, VIRGL_OBJ_CLEAR_STENCIL);
vrend_clear(ctx->grctx, buffers, &color, depth, stencil);
return 0;
}
static float uif(unsigned int ui)
{
union { float f; unsigned int ui; } myuif;
myuif.ui = ui;
return myuif.f;
}
static int vrend_decode_set_viewport_state(struct vrend_decode_ctx *ctx, int length)
{
struct pipe_viewport_state vps;
int i;
if (length != VIRGL_SET_VIEWPORT_STATE_SIZE)
return EINVAL;
for (i = 0; i < 4; i++)
vps.scale[i] = uif(get_buf_entry(ctx, VIRGL_SET_VIEWPORT_STATE_SCALE_0 + i));
for (i = 0; i < 4; i++)
vps.translate[i] = uif(get_buf_entry(ctx, VIRGL_SET_VIEWPORT_STATE_TRANSLATE_0 + i));
vrend_set_viewport_state(ctx->grctx, &vps);
return 0;
}
static int vrend_decode_set_index_buffer(struct vrend_decode_ctx *ctx, int length)
{
if (length != 1 && length != 3)
return EINVAL;
vrend_set_index_buffer(ctx->grctx,
get_buf_entry(ctx, VIRGL_SET_INDEX_BUFFER_HANDLE),
(length == 3) ? get_buf_entry(ctx, VIRGL_SET_INDEX_BUFFER_INDEX_SIZE) : 0,
(length == 3) ? get_buf_entry(ctx, VIRGL_SET_INDEX_BUFFER_OFFSET) : 0);
return 0;
}
static int vrend_decode_set_constant_buffer(struct vrend_decode_ctx *ctx, uint16_t length)
{
uint32_t shader;
uint32_t index;
int nc = (length - 2);
if (length < 2)
return EINVAL;
shader = get_buf_entry(ctx, VIRGL_SET_CONSTANT_BUFFER_SHADER_TYPE);
index = get_buf_entry(ctx, VIRGL_SET_CONSTANT_BUFFER_INDEX);
vrend_set_constants(ctx->grctx, shader, index, nc, get_buf_ptr(ctx, VIRGL_SET_CONSTANT_BUFFER_DATA_START));
return 0;
}
static int vrend_decode_set_uniform_buffer(struct vrend_decode_ctx *ctx, int length)
{
uint32_t shader = get_buf_entry(ctx, VIRGL_SET_UNIFORM_BUFFER_SHADER_TYPE);
uint32_t index = get_buf_entry(ctx, VIRGL_SET_UNIFORM_BUFFER_INDEX);
uint32_t offset = get_buf_entry(ctx, VIRGL_SET_UNIFORM_BUFFER_OFFSET);
uint32_t blength = get_buf_entry(ctx, VIRGL_SET_UNIFORM_BUFFER_LENGTH);
uint32_t handle = get_buf_entry(ctx, VIRGL_SET_UNIFORM_BUFFER_RES_HANDLE);
if (length != VIRGL_SET_UNIFORM_BUFFER_SIZE)
return EINVAL;
vrend_set_uniform_buffer(ctx->grctx, shader, index, offset, blength, handle);
return 0;
}
static int vrend_decode_set_vertex_buffers(struct vrend_decode_ctx *ctx, uint16_t length)
{
int num_vbo;
int i;
if (length < 3)
return EINVAL;
/* must be a multiple of 3 */
if (length % 3)
return EINVAL;
num_vbo = (length / 3);
for (i = 0; i < num_vbo; i++) {
vrend_set_single_vbo(ctx->grctx, i,
get_buf_entry(ctx, VIRGL_SET_VERTEX_BUFFER_STRIDE(i)),
get_buf_entry(ctx, VIRGL_SET_VERTEX_BUFFER_OFFSET(i)),
get_buf_entry(ctx, VIRGL_SET_VERTEX_BUFFER_HANDLE(i)));
}
vrend_set_num_vbo(ctx->grctx, num_vbo);
return 0;
}
static int vrend_decode_set_sampler_views(struct vrend_decode_ctx *ctx, uint16_t length)
{
int num_samps;
int i;
uint32_t shader_type, start_slot;
if (length < 2)
return EINVAL;
num_samps = length - 2;
shader_type = get_buf_entry(ctx, VIRGL_SET_SAMPLER_VIEWS_SHADER_TYPE);
start_slot = get_buf_entry(ctx, VIRGL_SET_SAMPLER_VIEWS_START_SLOT);
for (i = 0; i < num_samps; i++) {
uint32_t handle = get_buf_entry(ctx, VIRGL_SET_SAMPLER_VIEWS_V0_HANDLE + i);
vrend_set_single_sampler_view(ctx->grctx, shader_type, i + start_slot, handle);
}
vrend_set_num_sampler_views(ctx->grctx, shader_type, start_slot, num_samps);
return 0;
}
static int vrend_decode_resource_inline_write(struct vrend_decode_ctx *ctx, uint16_t length)
{
struct pipe_box box;
uint32_t res_handle = get_buf_entry(ctx, VIRGL_RESOURCE_IW_RES_HANDLE);
uint32_t level, usage, stride, layer_stride;
void *data;
if (length < 12)
return EINVAL;
level = get_buf_entry(ctx, VIRGL_RESOURCE_IW_LEVEL);
usage = get_buf_entry(ctx, VIRGL_RESOURCE_IW_USAGE);
stride = get_buf_entry(ctx, VIRGL_RESOURCE_IW_STRIDE);
layer_stride = get_buf_entry(ctx, VIRGL_RESOURCE_IW_STRIDE);
box.x = get_buf_entry(ctx, VIRGL_RESOURCE_IW_X);
box.y = get_buf_entry(ctx, VIRGL_RESOURCE_IW_Y);
box.z = get_buf_entry(ctx, VIRGL_RESOURCE_IW_Z);
box.width = get_buf_entry(ctx, VIRGL_RESOURCE_IW_W);
box.height = get_buf_entry(ctx, VIRGL_RESOURCE_IW_H);
box.depth = get_buf_entry(ctx, VIRGL_RESOURCE_IW_D);
data = get_buf_ptr(ctx, VIRGL_RESOURCE_IW_DATA_START);
vrend_transfer_inline_write(ctx->grctx, res_handle, level,
usage, &box, data, stride, layer_stride);
return 0;
}
static int vrend_decode_draw_vbo(struct vrend_decode_ctx *ctx, int length)
{
struct pipe_draw_info info;
if (length != VIRGL_DRAW_VBO_SIZE)
return EINVAL;
memset(&info, 0, sizeof(struct pipe_draw_info));
info.start = get_buf_entry(ctx, VIRGL_DRAW_VBO_START);
info.count = get_buf_entry(ctx, VIRGL_DRAW_VBO_COUNT);
info.mode = get_buf_entry(ctx, VIRGL_DRAW_VBO_MODE);
info.indexed = get_buf_entry(ctx, VIRGL_DRAW_VBO_INDEXED);
info.instance_count = get_buf_entry(ctx, VIRGL_DRAW_VBO_INSTANCE_COUNT);
info.index_bias = get_buf_entry(ctx, VIRGL_DRAW_VBO_INDEX_BIAS);
info.start_instance = get_buf_entry(ctx, VIRGL_DRAW_VBO_START_INSTANCE);
info.primitive_restart = get_buf_entry(ctx, VIRGL_DRAW_VBO_PRIMITIVE_RESTART);
info.restart_index = get_buf_entry(ctx, VIRGL_DRAW_VBO_RESTART_INDEX);
info.min_index = get_buf_entry(ctx, VIRGL_DRAW_VBO_MIN_INDEX);
info.max_index = get_buf_entry(ctx, VIRGL_DRAW_VBO_MAX_INDEX);
vrend_draw_vbo(ctx->grctx, &info);
return 0;
}
static int vrend_decode_create_blend(struct vrend_decode_ctx *ctx, uint32_t handle, uint16_t length)
{
struct pipe_blend_state *blend_state;
uint32_t tmp;
int i;
if (length != VIRGL_OBJ_BLEND_SIZE) {
return EINVAL;
}
blend_state = CALLOC_STRUCT(pipe_blend_state);
if (!blend_state)
return ENOMEM;
tmp = get_buf_entry(ctx, VIRGL_OBJ_BLEND_S0);
blend_state->independent_blend_enable = (tmp & 1);
blend_state->logicop_enable = (tmp >> 1) & 0x1;
blend_state->dither = (tmp >> 2) & 0x1;
blend_state->alpha_to_coverage = (tmp >> 3) & 0x1;
blend_state->alpha_to_one = (tmp >> 4) & 0x1;
tmp = get_buf_entry(ctx, VIRGL_OBJ_BLEND_S1);
blend_state->logicop_func = tmp & 0xf;
for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
tmp = get_buf_entry(ctx, VIRGL_OBJ_BLEND_S2(i));
blend_state->rt[i].blend_enable = tmp & 0x1;
blend_state->rt[i].rgb_func = (tmp >> 1) & 0x7;
blend_state->rt[i].rgb_src_factor = (tmp >> 4) & 0x1f;
blend_state->rt[i].rgb_dst_factor = (tmp >> 9) & 0x1f;
blend_state->rt[i].alpha_func = (tmp >> 14) & 0x7;
blend_state->rt[i].alpha_src_factor = (tmp >> 17) & 0x1f;
blend_state->rt[i].alpha_dst_factor = (tmp >> 22) & 0x1f;
blend_state->rt[i].colormask = (tmp >> 27) & 0xf;
}
tmp = vrend_renderer_object_insert(ctx->grctx, blend_state, sizeof(struct pipe_blend_state), handle,
VIRGL_OBJECT_BLEND);
if (tmp == 0) {
FREE(blend_state);
return ENOMEM;
}
return 0;
}
static int vrend_decode_create_dsa(struct vrend_decode_ctx *ctx, uint32_t handle, uint16_t length)
{
int i;
struct pipe_depth_stencil_alpha_state *dsa_state;
uint32_t tmp;
if (length != VIRGL_OBJ_DSA_SIZE)
return EINVAL;
dsa_state = CALLOC_STRUCT(pipe_depth_stencil_alpha_state);
if (!dsa_state)
return ENOMEM;
tmp = get_buf_entry(ctx, VIRGL_OBJ_DSA_S0);
dsa_state->depth.enabled = tmp & 0x1;
dsa_state->depth.writemask = (tmp >> 1) & 0x1;
dsa_state->depth.func = (tmp >> 2) & 0x7;
dsa_state->alpha.enabled = (tmp >> 8) & 0x1;
dsa_state->alpha.func = (tmp >> 9) & 0x7;
for (i = 0; i < 2; i++) {
tmp = get_buf_entry(ctx, VIRGL_OBJ_DSA_S1 + i);
dsa_state->stencil[i].enabled = tmp & 0x1;
dsa_state->stencil[i].func = (tmp >> 1) & 0x7;
dsa_state->stencil[i].fail_op = (tmp >> 4) & 0x7;
dsa_state->stencil[i].zpass_op = (tmp >> 7) & 0x7;
dsa_state->stencil[i].zfail_op = (tmp >> 10) & 0x7;
dsa_state->stencil[i].valuemask = (tmp >> 13) & 0xff;
dsa_state->stencil[i].writemask = (tmp >> 21) & 0xff;
}
tmp = get_buf_entry(ctx, VIRGL_OBJ_DSA_ALPHA_REF);
dsa_state->alpha.ref_value = uif(tmp);
tmp = vrend_renderer_object_insert(ctx->grctx, dsa_state, sizeof(struct pipe_depth_stencil_alpha_state), handle,
VIRGL_OBJECT_DSA);
if (tmp == 0) {
FREE(dsa_state);
return ENOMEM;
}
return 0;
}
static int vrend_decode_create_rasterizer(struct vrend_decode_ctx *ctx, uint32_t handle, uint16_t length)
{
struct pipe_rasterizer_state *rs_state;
uint32_t tmp;
if (length != VIRGL_OBJ_RS_SIZE)
return EINVAL;
rs_state = CALLOC_STRUCT(pipe_rasterizer_state);
if (!rs_state)
return ENOMEM;
tmp = get_buf_entry(ctx, VIRGL_OBJ_RS_S0);
#define ebit(name, bit) rs_state->name = (tmp >> bit) & 0x1
#define emask(name, bit, mask) rs_state->name = (tmp >> bit) & mask
ebit(flatshade, 0);
ebit(depth_clip, 1);
ebit(clip_halfz, 2);
ebit(rasterizer_discard, 3);
ebit(flatshade_first, 4);
ebit(light_twoside, 5);
ebit(sprite_coord_mode, 6);
ebit(point_quad_rasterization, 7);
emask(cull_face, 8, 0x3);
emask(fill_front, 10, 0x3);
emask(fill_back, 12, 0x3);
ebit(scissor, 14);
ebit(front_ccw, 15);
ebit(clamp_vertex_color, 16);
ebit(clamp_fragment_color, 17);
ebit(offset_line, 18);
ebit(offset_point, 19);
ebit(offset_tri, 20);
ebit(poly_smooth, 21);
ebit(poly_stipple_enable, 22);
ebit(point_smooth, 23);
ebit(point_size_per_vertex, 24);
ebit(multisample, 25);
ebit(line_smooth, 26);
ebit(line_stipple_enable, 27);
ebit(line_last_pixel, 28);
ebit(half_pixel_center, 29);
ebit(bottom_edge_rule, 30);
rs_state->point_size = uif(get_buf_entry(ctx, VIRGL_OBJ_RS_POINT_SIZE));
rs_state->sprite_coord_enable = get_buf_entry(ctx, VIRGL_OBJ_RS_SPRITE_COORD_ENABLE);
tmp = get_buf_entry(ctx, VIRGL_OBJ_RS_S3);
emask(line_stipple_pattern, 0, 0xffff);
emask(line_stipple_factor, 16, 0xff);
emask(clip_plane_enable, 24, 0xff);
rs_state->line_width = uif(get_buf_entry(ctx, VIRGL_OBJ_RS_LINE_WIDTH));
rs_state->offset_units = uif(get_buf_entry(ctx, VIRGL_OBJ_RS_OFFSET_UNITS));
rs_state->offset_scale = uif(get_buf_entry(ctx, VIRGL_OBJ_RS_OFFSET_SCALE));
rs_state->offset_clamp = uif(get_buf_entry(ctx, VIRGL_OBJ_RS_OFFSET_CLAMP));
tmp = vrend_renderer_object_insert(ctx->grctx, rs_state, sizeof(struct pipe_rasterizer_state), handle,
VIRGL_OBJECT_RASTERIZER);
if (tmp == 0) {
FREE(rs_state);
return ENOMEM;
}
return 0;
}
static int vrend_decode_create_surface(struct vrend_decode_ctx *ctx, uint32_t handle, uint16_t length)
{
uint32_t res_handle, format, val0, val1;
int ret;
if (length != VIRGL_OBJ_SURFACE_SIZE)
return EINVAL;
res_handle = get_buf_entry(ctx, VIRGL_OBJ_SURFACE_RES_HANDLE);
format = get_buf_entry(ctx, VIRGL_OBJ_SURFACE_FORMAT);
/* decide later if these are texture or buffer */
val0 = get_buf_entry(ctx, VIRGL_OBJ_SURFACE_BUFFER_FIRST_ELEMENT);
val1 = get_buf_entry(ctx, VIRGL_OBJ_SURFACE_BUFFER_LAST_ELEMENT);
ret = vrend_create_surface(ctx->grctx, handle, res_handle, format, val0, val1);
return ret;
}
static int vrend_decode_create_sampler_view(struct vrend_decode_ctx *ctx, uint32_t handle, uint16_t length)
{
uint32_t res_handle, format, val0, val1, swizzle_packed;
if (length != VIRGL_OBJ_SAMPLER_VIEW_SIZE)
return EINVAL;
res_handle = get_buf_entry(ctx, VIRGL_OBJ_SAMPLER_VIEW_RES_HANDLE);
format = get_buf_entry(ctx, VIRGL_OBJ_SAMPLER_VIEW_FORMAT);
val0 = get_buf_entry(ctx, VIRGL_OBJ_SAMPLER_VIEW_BUFFER_FIRST_ELEMENT);
val1 = get_buf_entry(ctx, VIRGL_OBJ_SAMPLER_VIEW_BUFFER_LAST_ELEMENT);
swizzle_packed = get_buf_entry(ctx, VIRGL_OBJ_SAMPLER_VIEW_SWIZZLE);
return vrend_create_sampler_view(ctx->grctx, handle, res_handle, format, val0, val1,swizzle_packed);
}
static int vrend_decode_create_sampler_state(struct vrend_decode_ctx *ctx, uint32_t handle, uint16_t length)
{
struct pipe_sampler_state state;
int i;
uint32_t tmp;
if (length != VIRGL_OBJ_SAMPLER_STATE_SIZE)
return EINVAL;
tmp = get_buf_entry(ctx, VIRGL_OBJ_SAMPLER_STATE_S0);
state.wrap_s = tmp & 0x7;
state.wrap_t = (tmp >> 3) & 0x7;
state.wrap_r = (tmp >> 6) & 0x7;
state.min_img_filter = (tmp >> 9) & 0x3;
state.min_mip_filter = (tmp >> 11) & 0x3;
state.mag_img_filter = (tmp >> 13) & 0x3;
state.compare_mode = (tmp >> 15) & 0x1;
state.compare_func = (tmp >> 16) & 0x7;
state.lod_bias = uif(get_buf_entry(ctx, VIRGL_OBJ_SAMPLER_STATE_LOD_BIAS));
state.min_lod = uif(get_buf_entry(ctx, VIRGL_OBJ_SAMPLER_STATE_MIN_LOD));
state.max_lod = uif(get_buf_entry(ctx, VIRGL_OBJ_SAMPLER_STATE_MAX_LOD));
for (i = 0; i < 4; i++)
state.border_color.ui[i] = get_buf_entry(ctx, VIRGL_OBJ_SAMPLER_STATE_BORDER_COLOR(i));
return vrend_create_sampler_state(ctx->grctx, handle, &state);
}
static int vrend_decode_create_ve(struct vrend_decode_ctx *ctx, uint32_t handle, uint16_t length)
{
struct pipe_vertex_element *ve;
int num_elements;
int i;
int ret;
if (length < 1)
return EINVAL;
if ((length - 1) % 4)
return EINVAL;
num_elements = (length - 1) / 4;
ve = calloc(num_elements, sizeof(struct pipe_vertex_element));
if (!ve)
return ENOMEM;
for (i = 0; i < num_elements; i++) {
ve[i].src_offset = get_buf_entry(ctx, VIRGL_OBJ_VERTEX_ELEMENTS_V0_SRC_OFFSET(i));
ve[i].instance_divisor = get_buf_entry(ctx, VIRGL_OBJ_VERTEX_ELEMENTS_V0_INSTANCE_DIVISOR(i));
ve[i].vertex_buffer_index = get_buf_entry(ctx, VIRGL_OBJ_VERTEX_ELEMENTS_V0_VERTEX_BUFFER_INDEX(i));
ve[i].src_format = get_buf_entry(ctx, VIRGL_OBJ_VERTEX_ELEMENTS_V0_SRC_FORMAT(i));
}
ret = vrend_create_vertex_elements_state(ctx->grctx, handle, num_elements,
ve);
if (ret) {
FREE(ve);
}
return ret;
}
static int vrend_decode_create_query(struct vrend_decode_ctx *ctx, uint32_t handle, uint16_t length)
{
uint32_t query_type;
uint32_t res_handle;
uint32_t offset;
if (length != VIRGL_OBJ_QUERY_SIZE)
return EINVAL;
query_type = get_buf_entry(ctx, VIRGL_OBJ_QUERY_TYPE);
offset = get_buf_entry(ctx, VIRGL_OBJ_QUERY_OFFSET);
res_handle = get_buf_entry(ctx, VIRGL_OBJ_QUERY_RES_HANDLE);
return vrend_create_query(ctx->grctx, handle, query_type, res_handle, offset);
}
static int vrend_decode_create_object(struct vrend_decode_ctx *ctx, int length)
{
uint32_t header = get_buf_entry(ctx, VIRGL_OBJ_CREATE_HEADER);
uint32_t handle = get_buf_entry(ctx, VIRGL_OBJ_CREATE_HANDLE);
uint8_t obj_type = (header >> 8) & 0xff;
int ret = 0;
/* has to be at least 3 length */
if (length < 3)
return EINVAL;
switch (obj_type){
case VIRGL_OBJECT_BLEND:
ret = vrend_decode_create_blend(ctx, handle, length);
break;
case VIRGL_OBJECT_DSA:
ret = vrend_decode_create_dsa(ctx, handle, length);
break;
case VIRGL_OBJECT_RASTERIZER:
ret = vrend_decode_create_rasterizer(ctx, handle, length);
break;
case VIRGL_OBJECT_VS:
case VIRGL_OBJECT_GS:
case VIRGL_OBJECT_FS:
ret = vrend_decode_create_shader(ctx, obj_type, handle, length);
break;
case VIRGL_OBJECT_VERTEX_ELEMENTS:
ret = vrend_decode_create_ve(ctx, handle, length);
break;
case VIRGL_OBJECT_SURFACE:
ret = vrend_decode_create_surface(ctx, handle, length);
break;
case VIRGL_OBJECT_SAMPLER_VIEW:
ret = vrend_decode_create_sampler_view(ctx, handle, length);
break;
case VIRGL_OBJECT_SAMPLER_STATE:
ret = vrend_decode_create_sampler_state(ctx, handle, length);
break;
case VIRGL_OBJECT_QUERY:
ret = vrend_decode_create_query(ctx, handle, length);
break;
case VIRGL_OBJECT_STREAMOUT_TARGET:
ret = vrend_decode_create_stream_output_target(ctx, handle, length);
break;
}
return ret;
}
static int vrend_decode_bind_object(struct vrend_decode_ctx *ctx, uint16_t length)
{
uint32_t header = get_buf_entry(ctx, VIRGL_OBJ_BIND_HEADER);
uint32_t handle = get_buf_entry(ctx, VIRGL_OBJ_BIND_HANDLE);
uint8_t obj_type = (header >> 8) & 0xff;
if (length != 1)
return EINVAL;
switch (obj_type) {
case VIRGL_OBJECT_BLEND:
vrend_object_bind_blend(ctx->grctx, handle);
break;
case VIRGL_OBJECT_DSA:
vrend_object_bind_dsa(ctx->grctx, handle);
break;
case VIRGL_OBJECT_RASTERIZER:
vrend_object_bind_rasterizer(ctx->grctx, handle);
break;
case VIRGL_OBJECT_VS:
vrend_bind_vs(ctx->grctx, handle);
break;
case VIRGL_OBJECT_GS:
vrend_bind_gs(ctx->grctx, handle);
break;
case VIRGL_OBJECT_FS:
vrend_bind_fs(ctx->grctx, handle);
break;
case VIRGL_OBJECT_VERTEX_ELEMENTS:
vrend_bind_vertex_elements_state(ctx->grctx, handle);
break;
}
return 0;
}
static int vrend_decode_destroy_object(struct vrend_decode_ctx *ctx, int length)
{
uint32_t handle = get_buf_entry(ctx, VIRGL_OBJ_DESTROY_HANDLE);
if (length != 1)
return EINVAL;
vrend_renderer_object_destroy(ctx->grctx, handle);
return 0;
}
static int vrend_decode_set_stencil_ref(struct vrend_decode_ctx *ctx, int length)
{
struct pipe_stencil_ref ref;
uint32_t val = get_buf_entry(ctx, VIRGL_SET_STENCIL_REF);
if (length != VIRGL_SET_STENCIL_REF_SIZE)
return EINVAL;
ref.ref_value[0] = val & 0xff;
ref.ref_value[1] = (val >> 8) & 0xff;
vrend_set_stencil_ref(ctx->grctx, &ref);
return 0;
}
static int vrend_decode_set_blend_color(struct vrend_decode_ctx *ctx, int length)
{
struct pipe_blend_color color;
int i;
if (length != VIRGL_SET_BLEND_COLOR_SIZE)
return EINVAL;
for (i = 0; i < 4; i++)
color.color[i] = uif(get_buf_entry(ctx, VIRGL_SET_BLEND_COLOR(i)));
vrend_set_blend_color(ctx->grctx, &color);
return 0;
}
static int vrend_decode_set_scissor_state(struct vrend_decode_ctx *ctx, int length)
{
struct pipe_scissor_state ss;
uint32_t temp;
if (length != VIRGL_SET_SCISSOR_STATE_SIZE)
return EINVAL;
temp = get_buf_entry(ctx, VIRGL_SET_SCISSOR_MINX_MINY);
ss.minx = temp & 0xffff;
ss.miny = (temp >> 16) & 0xffff;
temp = get_buf_entry(ctx, VIRGL_SET_SCISSOR_MAXX_MAXY);
ss.maxx = temp & 0xffff;
ss.maxy = (temp >> 16) & 0xffff;
vrend_set_scissor_state(ctx->grctx, &ss);
return 0;
}
static int vrend_decode_set_polygon_stipple(struct vrend_decode_ctx *ctx, int length)
{
struct pipe_poly_stipple ps;
int i;
if (length != VIRGL_POLYGON_STIPPLE_SIZE)
return EINVAL;
for (i = 0; i < 32; i++)
ps.stipple[i] = get_buf_entry(ctx, VIRGL_POLYGON_STIPPLE_P0 + i);
vrend_set_polygon_stipple(ctx->grctx, &ps);
return 0;
}
static int vrend_decode_set_clip_state(struct vrend_decode_ctx *ctx, int length)
{
struct pipe_clip_state clip;
int i, j;
if (length != VIRGL_SET_CLIP_STATE_SIZE)
return EINVAL;
for (i = 0; i < 8; i++)
for (j = 0; j < 4; j++)
clip.ucp[i][j] = uif(get_buf_entry(ctx, VIRGL_SET_CLIP_STATE_C0 + (i * 4) + j));
vrend_set_clip_state(ctx->grctx, &clip);
return 0;
}
static int vrend_decode_set_sample_mask(struct vrend_decode_ctx *ctx, int length)
{
unsigned mask;
if (length != VIRGL_SET_SAMPLE_MASK_SIZE)
return EINVAL;
mask = get_buf_entry(ctx, VIRGL_SET_SAMPLE_MASK_MASK);
vrend_set_sample_mask(ctx->grctx, mask);
return 0;
}
static int vrend_decode_resource_copy_region(struct vrend_decode_ctx *ctx, int length)
{
struct pipe_box box;
uint32_t dst_handle, src_handle;
uint32_t dst_level, dstx, dsty, dstz;
uint32_t src_level;
if (length != VIRGL_CMD_RESOURCE_COPY_REGION_SIZE)
return EINVAL;
dst_handle = get_buf_entry(ctx, VIRGL_CMD_RCR_DST_RES_HANDLE);
dst_level = get_buf_entry(ctx, VIRGL_CMD_RCR_DST_LEVEL);
dstx = get_buf_entry(ctx, VIRGL_CMD_RCR_DST_X);
dsty = get_buf_entry(ctx, VIRGL_CMD_RCR_DST_Y);
dstz = get_buf_entry(ctx, VIRGL_CMD_RCR_DST_Z);
src_handle = get_buf_entry(ctx, VIRGL_CMD_RCR_SRC_RES_HANDLE);
src_level = get_buf_entry(ctx, VIRGL_CMD_RCR_SRC_LEVEL);
box.x = get_buf_entry(ctx, VIRGL_CMD_RCR_SRC_X);
box.y = get_buf_entry(ctx, VIRGL_CMD_RCR_SRC_Y);
box.z = get_buf_entry(ctx, VIRGL_CMD_RCR_SRC_Z);
box.width = get_buf_entry(ctx, VIRGL_CMD_RCR_SRC_W);
box.height = get_buf_entry(ctx, VIRGL_CMD_RCR_SRC_H);
box.depth = get_buf_entry(ctx, VIRGL_CMD_RCR_SRC_D);
vrend_renderer_resource_copy_region(ctx->grctx, dst_handle,
dst_level, dstx, dsty, dstz,
src_handle, src_level,
&box);
return 0;
}
static int vrend_decode_blit(struct vrend_decode_ctx *ctx, int length)
{
struct pipe_blit_info info;
uint32_t dst_handle, src_handle, temp;
if (length != VIRGL_CMD_BLIT_SIZE)
return EINVAL;
temp = get_buf_entry(ctx, VIRGL_CMD_BLIT_S0);
info.mask = temp & 0xff;
info.filter = (temp >> 8) & 0x3;
info.scissor_enable = (temp >> 10) & 0x1;
temp = get_buf_entry(ctx, VIRGL_CMD_BLIT_SCISSOR_MINX_MINY);
info.scissor.minx = temp & 0xffff;
info.scissor.miny = (temp >> 16) & 0xffff;
temp = get_buf_entry(ctx, VIRGL_CMD_BLIT_SCISSOR_MAXX_MAXY);
info.scissor.maxx = temp & 0xffff;
info.scissor.maxy = (temp >> 16) & 0xffff;
dst_handle = get_buf_entry(ctx, VIRGL_CMD_BLIT_DST_RES_HANDLE);
info.dst.level = get_buf_entry(ctx, VIRGL_CMD_BLIT_DST_LEVEL);
info.dst.format = get_buf_entry(ctx, VIRGL_CMD_BLIT_DST_FORMAT);
info.dst.box.x = get_buf_entry(ctx, VIRGL_CMD_BLIT_DST_X);
info.dst.box.y = get_buf_entry(ctx, VIRGL_CMD_BLIT_DST_Y);
info.dst.box.z = get_buf_entry(ctx, VIRGL_CMD_BLIT_DST_Z);
info.dst.box.width = get_buf_entry(ctx, VIRGL_CMD_BLIT_DST_W);
info.dst.box.height = get_buf_entry(ctx, VIRGL_CMD_BLIT_DST_H);
info.dst.box.depth = get_buf_entry(ctx, VIRGL_CMD_BLIT_DST_D);
src_handle = get_buf_entry(ctx, VIRGL_CMD_BLIT_SRC_RES_HANDLE);
info.src.level = get_buf_entry(ctx, VIRGL_CMD_BLIT_SRC_LEVEL);
info.src.format = get_buf_entry(ctx, VIRGL_CMD_BLIT_SRC_FORMAT);
info.src.box.x = get_buf_entry(ctx, VIRGL_CMD_BLIT_SRC_X);
info.src.box.y = get_buf_entry(ctx, VIRGL_CMD_BLIT_SRC_Y);
info.src.box.z = get_buf_entry(ctx, VIRGL_CMD_BLIT_SRC_Z);
info.src.box.width = get_buf_entry(ctx, VIRGL_CMD_BLIT_SRC_W);
info.src.box.height = get_buf_entry(ctx, VIRGL_CMD_BLIT_SRC_H);
info.src.box.depth = get_buf_entry(ctx, VIRGL_CMD_BLIT_SRC_D);
vrend_renderer_blit(ctx->grctx, dst_handle, src_handle, &info);
return 0;
}
static int vrend_decode_bind_sampler_states(struct vrend_decode_ctx *ctx, int length)
{
uint32_t shader_type = get_buf_entry(ctx, VIRGL_BIND_SAMPLER_STATES_SHADER_TYPE);
uint32_t start_slot = get_buf_entry(ctx, VIRGL_BIND_SAMPLER_STATES_START_SLOT);
uint32_t num_states = length - 2;
if (length < 2)
return EINVAL;
vrend_bind_sampler_states(ctx->grctx, shader_type, start_slot, num_states,
get_buf_ptr(ctx, VIRGL_BIND_SAMPLER_STATES_S0_HANDLE));
return 0;
}
static int vrend_decode_begin_query(struct vrend_decode_ctx *ctx, int length)
{
uint32_t handle = get_buf_entry(ctx, VIRGL_QUERY_BEGIN_HANDLE);
if (length != 1)
return EINVAL;
vrend_begin_query(ctx->grctx, handle);
return 0;
}
static int vrend_decode_end_query(struct vrend_decode_ctx *ctx, int length)
{
uint32_t handle = get_buf_entry(ctx, VIRGL_QUERY_END_HANDLE);
if (length != 1)
return EINVAL;
vrend_end_query(ctx->grctx, handle);
return 0;
}
static int vrend_decode_get_query_result(struct vrend_decode_ctx *ctx, int length)
{
uint32_t handle = get_buf_entry(ctx, VIRGL_QUERY_RESULT_HANDLE);
uint32_t wait = get_buf_entry(ctx, VIRGL_QUERY_RESULT_WAIT);
if (length != 2)
return EINVAL;
vrend_get_query_result(ctx->grctx, handle, wait);
return 0;
}
static int vrend_decode_set_render_condition(struct vrend_decode_ctx *ctx, int length)
{
uint32_t handle = get_buf_entry(ctx, VIRGL_RENDER_CONDITION_HANDLE);
boolean condition = get_buf_entry(ctx, VIRGL_RENDER_CONDITION_CONDITION) & 1;
uint mode = get_buf_entry(ctx, VIRGL_RENDER_CONDITION_MODE);
if (length != VIRGL_RENDER_CONDITION_SIZE)
return EINVAL;
vrend_render_condition(ctx->grctx, handle, condition, mode);
return 0;
}
static int vrend_decode_set_sub_ctx(struct vrend_decode_ctx *ctx, int length)
{
uint32_t ctx_sub_id = get_buf_entry(ctx, 1);
if (length != 1)
return EINVAL;
vrend_renderer_set_sub_ctx(ctx->grctx, ctx_sub_id);
return 0;
}
static int vrend_decode_create_sub_ctx(struct vrend_decode_ctx *ctx, int length)
{
uint32_t ctx_sub_id = get_buf_entry(ctx, 1);
if (length != 1)
return EINVAL;
vrend_renderer_create_sub_ctx(ctx->grctx, ctx_sub_id);
return 0;
}
static int vrend_decode_destroy_sub_ctx(struct vrend_decode_ctx *ctx, int length)
{
uint32_t ctx_sub_id = get_buf_entry(ctx, 1);
if (length != 1)
return EINVAL;
vrend_renderer_destroy_sub_ctx(ctx->grctx, ctx_sub_id);
return 0;
}
static int vrend_decode_set_streamout_targets(struct vrend_decode_ctx *ctx,
uint16_t length)
{
uint32_t handles[16];
uint32_t num_handles = length - 1;
uint32_t append_bitmask;
int i;
if (length < 1)
return EINVAL;
append_bitmask = get_buf_entry(ctx, VIRGL_SET_STREAMOUT_TARGETS_APPEND_BITMASK);
for (i = 0; i < num_handles; i++)
handles[i] = get_buf_entry(ctx, VIRGL_SET_STREAMOUT_TARGETS_H0 + i);
vrend_set_streamout_targets(ctx->grctx, append_bitmask, num_handles, handles);
return 0;
}
void vrend_renderer_context_create_internal(uint32_t handle, uint32_t nlen,
const char *debug_name)
{
struct vrend_decode_ctx *dctx;
if (handle > VREND_MAX_CTX)
return;
dctx = malloc(sizeof(struct vrend_decode_ctx));
if (!dctx)
return;
dctx->grctx = vrend_create_context(handle, nlen, debug_name);
if (!dctx->grctx) {
free(dctx);
return;
}
dctx->ds = &dctx->ids;
dec_ctx[handle] = dctx;
}
void vrend_renderer_context_create(uint32_t handle, uint32_t nlen, const char *debug_name)
{
if (handle > VREND_MAX_CTX)
return;
/* context 0 is always available with no guarantees */
if (handle == 0)
return;
vrend_renderer_context_create_internal(handle, nlen, debug_name);
}
void vrend_renderer_context_destroy(uint32_t handle)
{
struct vrend_decode_ctx *ctx;
bool ret;
if (handle > VREND_MAX_CTX)
return;
ctx = dec_ctx[handle];
dec_ctx[handle] = NULL;
ret = vrend_destroy_context(ctx->grctx);
free(ctx);
/* switch to ctx 0 */
if (ret && handle != 0)
vrend_hw_switch_context(dec_ctx[0]->grctx, TRUE);
}
struct vrend_context *vrend_lookup_renderer_ctx(uint32_t ctx_id)
{
if (ctx_id > VREND_MAX_CTX)
return NULL;
if (dec_ctx[ctx_id] == NULL)
return NULL;
return dec_ctx[ctx_id]->grctx;
}
void vrend_decode_block(uint32_t ctx_id, uint32_t *block, int ndw)
{
struct vrend_decode_ctx *gdctx;
boolean bret;
int ret;
if (ctx_id > VREND_MAX_CTX)
return;
if (dec_ctx[ctx_id] == NULL)
return;
gdctx = dec_ctx[ctx_id];
bret = vrend_hw_switch_context(gdctx->grctx, TRUE);
if (bret == FALSE)
return;
gdctx->ds->buf = block;
gdctx->ds->buf_total = ndw;
gdctx->ds->buf_offset = 0;
while (gdctx->ds->buf_offset < gdctx->ds->buf_total) {
uint32_t header = gdctx->ds->buf[gdctx->ds->buf_offset];
uint32_t len = header >> 16;
ret = 0;
/* check if the guest is doing something bad */
if (gdctx->ds->buf_offset + len + 1 > gdctx->ds->buf_total) {
vrend_report_buffer_error(gdctx->grctx, 0);
break;
}
// fprintf(stderr,"[%d] cmd is %d (obj %d) len %d\n", gdctx->ds->buf_offset, header & 0xff, (header >> 8 & 0xff), (len));
switch (header & 0xff) {
case VIRGL_CCMD_CREATE_OBJECT:
ret = vrend_decode_create_object(gdctx, len);
break;
case VIRGL_CCMD_BIND_OBJECT:
ret = vrend_decode_bind_object(gdctx, len);
break;
case VIRGL_CCMD_DESTROY_OBJECT:
ret = vrend_decode_destroy_object(gdctx, len);
break;
case VIRGL_CCMD_CLEAR:
ret = vrend_decode_clear(gdctx, len);
break;
case VIRGL_CCMD_DRAW_VBO:
ret = vrend_decode_draw_vbo(gdctx, len);
break;
case VIRGL_CCMD_SET_FRAMEBUFFER_STATE:
ret = vrend_decode_set_framebuffer_state(gdctx, len);
break;
case VIRGL_CCMD_SET_VERTEX_BUFFERS:
ret = vrend_decode_set_vertex_buffers(gdctx, len);
break;
case VIRGL_CCMD_RESOURCE_INLINE_WRITE:
ret = vrend_decode_resource_inline_write(gdctx, len);
break;
case VIRGL_CCMD_SET_VIEWPORT_STATE:
ret = vrend_decode_set_viewport_state(gdctx, len);
break;
case VIRGL_CCMD_SET_SAMPLER_VIEWS:
ret = vrend_decode_set_sampler_views(gdctx, len);
break;
case VIRGL_CCMD_SET_INDEX_BUFFER:
ret = vrend_decode_set_index_buffer(gdctx, len);
break;
case VIRGL_CCMD_SET_CONSTANT_BUFFER:
ret = vrend_decode_set_constant_buffer(gdctx, len);
break;
case VIRGL_CCMD_SET_STENCIL_REF:
ret = vrend_decode_set_stencil_ref(gdctx, len);
break;
case VIRGL_CCMD_SET_BLEND_COLOR:
ret = vrend_decode_set_blend_color(gdctx, len);
break;
case VIRGL_CCMD_SET_SCISSOR_STATE:
ret = vrend_decode_set_scissor_state(gdctx, len);
break;
case VIRGL_CCMD_BLIT:
ret = vrend_decode_blit(gdctx, len);
break;
case VIRGL_CCMD_RESOURCE_COPY_REGION:
ret = vrend_decode_resource_copy_region(gdctx, len);
break;
case VIRGL_CCMD_BIND_SAMPLER_STATES:
ret = vrend_decode_bind_sampler_states(gdctx, len);
break;
case VIRGL_CCMD_BEGIN_QUERY:
ret = vrend_decode_begin_query(gdctx, len);
break;
case VIRGL_CCMD_END_QUERY:
ret = vrend_decode_end_query(gdctx, len);
break;
case VIRGL_CCMD_GET_QUERY_RESULT:
ret = vrend_decode_get_query_result(gdctx, len);
break;
case VIRGL_CCMD_SET_POLYGON_STIPPLE:
ret = vrend_decode_set_polygon_stipple(gdctx, len);
break;
case VIRGL_CCMD_SET_CLIP_STATE:
ret = vrend_decode_set_clip_state(gdctx, len);
break;
case VIRGL_CCMD_SET_SAMPLE_MASK:
ret = vrend_decode_set_sample_mask(gdctx, len);
break;
case VIRGL_CCMD_SET_STREAMOUT_TARGETS:
ret = vrend_decode_set_streamout_targets(gdctx, len);
break;
case VIRGL_CCMD_SET_RENDER_CONDITION:
ret = vrend_decode_set_render_condition(gdctx, len);
break;
case VIRGL_CCMD_SET_UNIFORM_BUFFER:
ret = vrend_decode_set_uniform_buffer(gdctx, len);
break;
case VIRGL_CCMD_SET_SUB_CTX:
ret = vrend_decode_set_sub_ctx(gdctx, len);
break;
case VIRGL_CCMD_CREATE_SUB_CTX:
ret = vrend_decode_create_sub_ctx(gdctx, len);
break;
case VIRGL_CCMD_DESTROY_SUB_CTX:
ret = vrend_decode_destroy_sub_ctx(gdctx, len);
break;
}
if (ret == EINVAL) {
vrend_report_buffer_error(gdctx->grctx, header);
break;
}
if (ret == ENOMEM)
break;
gdctx->ds->buf_offset += (len) + 1;
}
}
void vrend_decode_reset(void)
{
int i;
vrend_hw_switch_context(dec_ctx[0]->grctx, TRUE);
for (i = 1; i < VREND_MAX_CTX; i++) {
if (!dec_ctx[i])
continue;
if (!dec_ctx[i]->grctx)
continue;
vrend_destroy_context(dec_ctx[i]->grctx);
free(dec_ctx[i]);
}
vrend_destroy_context(dec_ctx[0]->grctx);
free(dec_ctx[0]);
}