/**
* Compile the vertex shader.
*/
struct ilo_shader *
ilo_shader_compile_vs(const struct ilo_shader_state *state,
const struct ilo_shader_variant *variant)
{
struct vs_compile_context vcc;
bool need_gs;
if (!vs_setup(&vcc, state, variant))
return NULL;
if (ilo_dev_gen(vcc.tc.dev) >= ILO_GEN(7)) {
need_gs = false;
}
else {
need_gs = variant->u.vs.rasterizer_discard ||
state->info.stream_output.num_outputs;
}
vs_write_vue(&vcc);
if (!vs_compile(&vcc)) {
FREE(vcc.shader);
vcc.shader = NULL;
}
toy_tgsi_cleanup(&vcc.tgsi);
toy_compiler_cleanup(&vcc.tc);
if (need_gs) {
int so_mapping[PIPE_MAX_SHADER_OUTPUTS];
int i, j;
for (i = 0; i < vcc.tgsi.num_outputs; i++) {
int attr = 0;
for (j = 0; j < vcc.shader->out.count; j++) {
if (vcc.tgsi.outputs[i].semantic_name ==
vcc.shader->out.semantic_names[j] &&
vcc.tgsi.outputs[i].semantic_index ==
vcc.shader->out.semantic_indices[j]) {
attr = j;
break;
}
}
so_mapping[i] = attr;
}
if (!ilo_shader_compile_gs_passthrough(state, variant,
so_mapping, vcc.shader)) {
ilo_shader_destroy_kernel(vcc.shader);
vcc.shader = NULL;
}
}
return vcc.shader;
}
/**
* Compile the geometry shader.
*/
struct ilo_shader *
ilo_shader_compile_gs(const struct ilo_shader_state *state,
const struct ilo_shader_variant *variant)
{
struct gs_compile_context gcc;
if (!gs_setup(&gcc, state, variant, 0))
return NULL;
if (!gs_compile(&gcc)) {
FREE(gcc.shader);
gcc.shader = NULL;
}
toy_tgsi_cleanup(&gcc.tgsi);
toy_compiler_cleanup(&gcc.tc);
return gcc.shader;;
}
/**
* Compile the fragment shader.
*/
struct ilo_shader *
ilo_shader_compile_fs(const struct ilo_shader_state *state,
const struct ilo_shader_variant *variant)
{
struct fs_compile_context fcc;
if (!fs_setup(&fcc, state, variant))
return NULL;
fs_write_fb(&fcc);
if (!fs_compile(&fcc)) {
FREE(fcc.shader);
fcc.shader = NULL;
}
toy_tgsi_cleanup(&fcc.tgsi);
toy_compiler_cleanup(&fcc.tc);
return fcc.shader;
}
