bool
brw_fs_precompile(struct gl_context *ctx, struct gl_program *prog)
{
struct brw_context *brw = brw_context(ctx);
const struct gen_device_info *devinfo = &brw->screen->devinfo;
struct brw_wm_prog_key key;
struct brw_program *bfp = brw_program(prog);
brw_wm_populate_default_key(&brw->screen->devinfo, &key, prog);
/* check brw_wm_populate_default_key coherent_fb_fetch setting */
assert(key.coherent_fb_fetch ==
ctx->Extensions.EXT_shader_framebuffer_fetch);
uint32_t old_prog_offset = brw->wm.base.prog_offset;
struct brw_stage_prog_data *old_prog_data = brw->wm.base.prog_data;
struct brw_vue_map vue_map;
if (devinfo->gen < 6) {
brw_compute_vue_map(&brw->screen->devinfo, &vue_map,
prog->info.inputs_read | VARYING_BIT_POS,
false);
}
bool success = brw_codegen_wm_prog(brw, bfp, &key, &vue_map);
brw->wm.base.prog_offset = old_prog_offset;
brw->wm.base.prog_data = old_prog_data;
return success;
}
void
brw_upload_wm_prog(struct brw_context *brw)
{
struct brw_wm_prog_key key;
struct brw_program *fp =
(struct brw_program *) brw->programs[MESA_SHADER_FRAGMENT];
if (!brw_wm_state_dirty(brw))
return;
brw_wm_populate_key(brw, &key);
if (brw_search_cache(&brw->cache, BRW_CACHE_FS_PROG, &key, sizeof(key),
&brw->wm.base.prog_offset, &brw->wm.base.prog_data,
true))
return;
if (brw_disk_cache_upload_program(brw, MESA_SHADER_FRAGMENT))
return;
fp = (struct brw_program *) brw->programs[MESA_SHADER_FRAGMENT];
fp->id = key.program_string_id;
MAYBE_UNUSED bool success = brw_codegen_wm_prog(brw, fp, &key,
&brw->vue_map_geom_out);
assert(success);
}
bool
brw_fs_precompile(struct gl_context *ctx,
struct gl_shader_program *shader_prog,
struct gl_program *prog)
{
struct brw_context *brw = brw_context(ctx);
struct brw_wm_prog_key key;
struct gl_fragment_program *fp = (struct gl_fragment_program *) prog;
struct brw_fragment_program *bfp = brw_fragment_program(fp);
bool program_uses_dfdy = fp->UsesDFdy;
memset(&key, 0, sizeof(key));
if (brw->gen < 6) {
if (fp->UsesKill)
key.iz_lookup |= IZ_PS_KILL_ALPHATEST_BIT;
if (fp->Base.OutputsWritten & BITFIELD64_BIT(FRAG_RESULT_DEPTH))
key.iz_lookup |= IZ_PS_COMPUTES_DEPTH_BIT;
/* Just assume depth testing. */
key.iz_lookup |= IZ_DEPTH_TEST_ENABLE_BIT;
key.iz_lookup |= IZ_DEPTH_WRITE_ENABLE_BIT;
}
if (brw->gen < 6 || _mesa_bitcount_64(fp->Base.InputsRead &
BRW_FS_VARYING_INPUT_MASK) > 16)
key.input_slots_valid = fp->Base.InputsRead | VARYING_BIT_POS;
brw_setup_tex_for_precompile(brw, &key.tex, &fp->Base);
if (fp->Base.InputsRead & VARYING_BIT_POS) {
key.drawable_height = ctx->DrawBuffer->Height;
}
key.nr_color_regions = _mesa_bitcount_64(fp->Base.OutputsWritten &
~(BITFIELD64_BIT(FRAG_RESULT_DEPTH) |
BITFIELD64_BIT(FRAG_RESULT_SAMPLE_MASK)));
if ((fp->Base.InputsRead & VARYING_BIT_POS) || program_uses_dfdy) {
key.render_to_fbo = _mesa_is_user_fbo(ctx->DrawBuffer) ||
key.nr_color_regions > 1;
}
key.program_string_id = bfp->id;
uint32_t old_prog_offset = brw->wm.base.prog_offset;
struct brw_wm_prog_data *old_prog_data = brw->wm.prog_data;
bool success = brw_codegen_wm_prog(brw, shader_prog, bfp, &key);
brw->wm.base.prog_offset = old_prog_offset;
brw->wm.prog_data = old_prog_data;
return success;
}
void
brw_upload_wm_prog(struct brw_context *brw)
{
struct gl_context *ctx = &brw->ctx;
struct gl_shader_program *current = ctx->_Shader->_CurrentFragmentProgram;
struct brw_wm_prog_key key;
struct brw_fragment_program *fp = (struct brw_fragment_program *)
brw->fragment_program;
if (!brw_wm_state_dirty(brw))
return;
brw_wm_populate_key(brw, &key);
if (!brw_search_cache(&brw->cache, BRW_CACHE_FS_PROG,
&key, sizeof(key),
&brw->wm.base.prog_offset, &brw->wm.prog_data)) {
bool success = brw_codegen_wm_prog(brw, current, fp, &key);
(void) success;
assert(success);
}
brw->wm.base.prog_data = &brw->wm.prog_data->base;
}