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nir: gather which images are MSAA

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Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
Reviewed-by: Eric Anholt <eric@anholt.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5209>
This commit is contained in:
Marek Olšák 2020-05-24 15:52:26 -04:00 • committed by Marge Bot
parent 6503e4be13
commit cac24bee62
4 changed files with 8 additions and 10 deletions
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11
src/compiler/nir/nir_gather_info.c
View file

@ -598,7 +598,7 @@ nir_shader_gather_info(nir_shader *shader, nir_function_impl *entrypoint)
shader->info.num_textures = 0;
shader->info.num_images = 0;
shader->info.image_buffers = 0;
shader->info.last_msaa_image = -1;
shader->info.msaa_images = 0;
nir_foreach_variable(var, &shader->uniforms) {
/* Bindless textures and images don't use non-bindless slots.
@ -618,13 +618,12 @@ nir_shader_gather_info(nir_shader *shader, nir_function_impl *entrypoint)
shader->info.image_buffers |=
BITFIELD_RANGE(shader->info.num_images, num_image_slots);
}
if (glsl_get_sampler_dim(image_type) == GLSL_SAMPLER_DIM_MS) {
shader->info.msaa_images |=
BITFIELD_RANGE(shader->info.num_images, num_image_slots);
}
shader->info.num_images += num_image_slots;
}
/* 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;

4
src/compiler/shader_info.h
View file

@ -116,8 +116,6 @@ typedef struct shader_info {
uint8_t num_ssbos;
/* Number of images used by this shader */
uint8_t num_images;
/* Index of the last MSAA image. */
int8_t last_msaa_image;
/* Which inputs are actually read */
uint64_t inputs_read;
@ -154,6 +152,8 @@ typedef struct shader_info {
uint32_t images_used;
/** Bitfield of which images are buffers. */
uint32_t image_buffers;
/** Bitfield of which images are MSAA. */
uint32_t msaa_images;
/* SPV_KHR_float_controls: execution mode for floating point ops */
uint16_t float_controls_execution_mode;

1
src/gallium/auxiliary/nir/tgsi_to_nir.c
View file

@ -2579,7 +2579,6 @@ ttn_finalize_nir(struct ttn_compile *c, struct pipe_screen *screen)
nir->info.num_images = c->num_images;
nir->info.num_textures = c->num_samplers;
nir->info.last_msaa_image = c->num_msaa_images - 1;
nir_validate_shader(nir, "TTN: after all optimizations");
}

2
src/gallium/drivers/radeonsi/si_shader_nir.c
View file

@ -718,7 +718,7 @@ void si_nir_scan_shader(const struct nir_shader *nir, struct si_shader_info *inf
if (nir->num_uniforms > 0)
info->const_buffers_declared |= 1;
info->images_declared = u_bit_consecutive(0, nir->info.num_images);
info->msaa_images_declared = u_bit_consecutive(0, nir->info.last_msaa_image + 1);
info->msaa_images_declared = nir->info.msaa_images;
info->samplers_declared = nir->info.textures_used;
info->num_written_clipdistance = nir->info.clip_distance_array_size;