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nir: add shader_info::last_msaa_image

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for radeonsi

Acked-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
This commit is contained in:
Marek Olšák 2019-09-12 21:09:50 -04:00
parent e4f4bb8abd
commit e26bd397a8
2 changed files with 8 additions and 0 deletions
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6
src/compiler/nir/nir_gather_info.c
View file

@ -360,6 +360,7 @@ nir_shader_gather_info(nir_shader *shader, nir_function_impl *entrypoint)
{
shader->info.num_textures = 0;
shader->info.num_images = 0;
shader->info.last_msaa_image = -1;
nir_foreach_variable(var, &shader->uniforms) {
/* Bindless textures and images don't use non-bindless slots. */
if (var->data.bindless)
@ -367,6 +368,11 @@ nir_shader_gather_info(nir_shader *shader, nir_function_impl *entrypoint)
shader->info.num_textures += glsl_type_get_sampler_count(var->type);
shader->info.num_images += glsl_type_get_image_count(var->type);
/* Assuming image slots don't have holes (e.g. OpenGL) */
if (glsl_type_is_image(var->type) &&
glsl_get_sampler_dim(var->type) == GLSL_SAMPLER_DIM_MS)
shader->info.last_msaa_image = shader->info.num_images - 1;
}
shader->info.inputs_read = 0;

2
src/compiler/shader_info.h
View file

@ -105,6 +105,8 @@ typedef struct shader_info {
unsigned num_ssbos;
/* Number of images used by this shader */
unsigned num_images;
/* Index of the last MSAA image. */
int last_msaa_image;
/* Which inputs are actually read */
uint64_t inputs_read;