bool
brw_gs_precompile(struct gl_context *ctx,
struct gl_shader_program *shader_prog,
struct gl_program *prog)
{
struct brw_context *brw = brw_context(ctx);
struct brw_gs_prog_key key;
uint32_t old_prog_offset = brw->gs.base.prog_offset;
struct brw_gs_prog_data *old_prog_data = brw->gs.prog_data;
bool success;
struct gl_geometry_program *gp = (struct gl_geometry_program *) prog;
struct brw_geometry_program *bgp = brw_geometry_program(gp);
memset(&key, 0, sizeof(key));
brw_vue_setup_prog_key_for_precompile(ctx, &key.base, bgp->id, &gp->Base);
/* Assume that the set of varyings coming in from the vertex shader exactly
* matches what the geometry shader requires.
*/
key.input_varyings = gp->Base.InputsRead;
success = brw_codegen_gs_prog(brw, shader_prog, bgp, &key);
brw->gs.base.prog_offset = old_prog_offset;
brw->gs.prog_data = old_prog_data;
return success;
}
bool
brw_gs_precompile(struct gl_context *ctx,
struct gl_shader_program *shader_prog,
struct gl_program *prog)
{
struct brw_context *brw = brw_context(ctx);
struct brw_gs_prog_key key;
uint32_t old_prog_offset = brw->gs.base.prog_offset;
struct brw_gs_prog_data *old_prog_data = brw->gs.prog_data;
bool success;
struct gl_geometry_program *gp = (struct gl_geometry_program *) prog;
struct brw_geometry_program *bgp = brw_geometry_program(gp);
memset(&key, 0, sizeof(key));
brw_setup_tex_for_precompile(brw, &key.tex, prog);
key.program_string_id = bgp->id;
success = brw_codegen_gs_prog(brw, shader_prog, bgp, &key);
brw->gs.base.prog_offset = old_prog_offset;
brw->gs.prog_data = old_prog_data;
return success;
}
void
brw_upload_gs_prog(struct brw_context *brw)
{
struct gl_context *ctx = &brw->ctx;
struct gl_shader_program **current = ctx->_Shader->CurrentProgram;
struct brw_stage_state *stage_state = &brw->gs.base;
struct brw_gs_prog_key key;
/* BRW_NEW_GEOMETRY_PROGRAM */
struct brw_geometry_program *gp =
(struct brw_geometry_program *) brw->geometry_program;
if (!brw_gs_state_dirty(brw))
return;
if (gp == NULL) {
/* No geometry shader. Vertex data just passes straight through. */
if (brw->ctx.NewDriverState & BRW_NEW_VUE_MAP_VS) {
brw->vue_map_geom_out = brw->vue_map_vs;
brw->ctx.NewDriverState |= BRW_NEW_VUE_MAP_GEOM_OUT;
}
if (brw->gen == 6 &&
(brw->ctx.NewDriverState & BRW_NEW_TRANSFORM_FEEDBACK)) {
gen6_brw_upload_ff_gs_prog(brw);
return;
}
/* Other state atoms had better not try to access prog_data, since
* there's no GS program.
*/
brw->gs.prog_data = NULL;
brw->gs.base.prog_data = NULL;
return;
}
brw_gs_populate_key(brw, &key);
if (!brw_search_cache(&brw->cache, BRW_CACHE_GS_PROG,
&key, sizeof(key),
&stage_state->prog_offset, &brw->gs.prog_data)) {
bool success = brw_codegen_gs_prog(brw, current[MESA_SHADER_GEOMETRY],
gp, &key);
assert(success);
(void)success;
}
brw->gs.base.prog_data = &brw->gs.prog_data->base.base;
if (memcmp(&brw->gs.prog_data->base.vue_map, &brw->vue_map_geom_out,
sizeof(brw->vue_map_geom_out)) != 0) {
brw->vue_map_geom_out = brw->gs.prog_data->base.vue_map;
brw->ctx.NewDriverState |= BRW_NEW_VUE_MAP_GEOM_OUT;
}
}
void
brw_upload_gs_prog(struct brw_context *brw)
{
struct brw_stage_state *stage_state = &brw->gs.base;
struct brw_gs_prog_key key;
/* BRW_NEW_GEOMETRY_PROGRAM */
struct brw_program *gp = (struct brw_program *) brw->geometry_program;
if (!brw_gs_state_dirty(brw))
return;
if (gp == NULL) {
/* No geometry shader. Vertex data just passes straight through. */
if (brw->gen == 6 &&
(brw->ctx.NewDriverState & BRW_NEW_TRANSFORM_FEEDBACK)) {
gen6_brw_upload_ff_gs_prog(brw);
return;
}
/* Other state atoms had better not try to access prog_data, since
* there's no GS program.
*/
brw->gs.base.prog_data = NULL;
return;
}
brw_gs_populate_key(brw, &key);
if (!brw_search_cache(&brw->cache, BRW_CACHE_GS_PROG,
&key, sizeof(key),
&stage_state->prog_offset,
&brw->gs.base.prog_data)) {
bool success = brw_codegen_gs_prog(brw, gp, &key);
assert(success);
(void)success;
}
}
