/**
* Translate TGSI shader into an svga shader variant.
*/
static enum pipe_error
compile_fs(struct svga_context *svga,
struct svga_fragment_shader *fs,
const struct svga_fs_compile_key *key,
struct svga_shader_variant **out_variant)
{
struct svga_shader_variant *variant;
enum pipe_error ret = PIPE_ERROR;
variant = svga_translate_fragment_program( fs, key );
if (variant == NULL) {
debug_printf("Failed to compile fragment shader,"
" using dummy shader instead.\n");
variant = get_compiled_dummy_shader(fs, key);
if (!variant) {
ret = PIPE_ERROR;
goto fail;
}
}
if (variant->nr_tokens * sizeof(variant->tokens[0])
+ sizeof(SVGA3dCmdDefineShader) + sizeof(SVGA3dCmdHeader)
>= SVGA_CB_MAX_COMMAND_SIZE) {
/* too big, use dummy shader */
debug_printf("Shader too large (%lu bytes),"
" using dummy shader instead.\n",
(unsigned long ) variant->nr_tokens * sizeof(variant->tokens[0]));
variant = get_compiled_dummy_shader(fs, key);
if (!variant) {
ret = PIPE_ERROR;
goto fail;
}
}
ret = svga_define_shader(svga, SVGA3D_SHADERTYPE_PS, variant);
if (ret != PIPE_OK)
goto fail;
*out_variant = variant;
/* insert variants at head of linked list */
variant->next = fs->base.variants;
fs->base.variants = variant;
return PIPE_OK;
fail:
if (variant) {
svga_destroy_shader_variant(svga, SVGA3D_SHADERTYPE_PS, variant);
}
return ret;
}
/**
* Translate TGSI shader into an svga shader variant.
*/
static enum pipe_error
compile_fs(struct svga_context *svga,
struct svga_fragment_shader *fs,
const struct svga_compile_key *key,
struct svga_shader_variant **out_variant)
{
struct svga_shader_variant *variant;
enum pipe_error ret = PIPE_ERROR;
variant = translate_fragment_program(svga, fs, key);
if (variant == NULL) {
debug_printf("Failed to compile fragment shader,"
" using dummy shader instead.\n");
variant = get_compiled_dummy_shader(svga, fs, key);
}
else if (svga_shader_too_large(svga, variant)) {
/* too big, use dummy shader */
debug_printf("Shader too large (%u bytes),"
" using dummy shader instead.\n",
(unsigned) (variant->nr_tokens
* sizeof(variant->tokens[0])));
/* Free the too-large variant */
svga_destroy_shader_variant(svga, SVGA3D_SHADERTYPE_PS, variant);
/* Use simple pass-through shader instead */
variant = get_compiled_dummy_shader(svga, fs, key);
}
if (!variant) {
return PIPE_ERROR;
}
ret = svga_define_shader(svga, SVGA3D_SHADERTYPE_PS, variant);
if (ret != PIPE_OK) {
svga_destroy_shader_variant(svga, SVGA3D_SHADERTYPE_PS, variant);
return ret;
}
*out_variant = variant;
/* insert variant at head of linked list */
variant->next = fs->base.variants;
fs->base.variants = variant;
return PIPE_OK;
}