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radv: Add utility function to calculate max waves.

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Not AC because a lot of it is data extraction out of radv structs.

Reviewed-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Bas Nieuwenhuizen
2019-06-01 18:46:21 +02:00
parent 026773397b
commit 290ca0c4dd
2 changed files with 24 additions and 8 deletions
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26
src/amd/vulkan/radv_shader.c
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@@ -1279,23 +1279,21 @@ radv_get_shader_name(struct radv_shader_variant_info *info,
};
}
static void
generate_shader_stats(struct radv_device *device,
struct radv_shader_variant *variant,
gl_shader_stage stage,
struct _mesa_string_buffer *buf)
unsigned
radv_get_max_waves(struct radv_device *device,
struct radv_shader_variant *variant,
gl_shader_stage stage)
{
enum chip_class chip_class = device->physical_device->rad_info.chip_class;
unsigned lds_increment = chip_class >= GFX7 ? 512 : 256;
uint8_t wave_size = variant->info.info.wave_size;
struct ac_shader_config *conf;
struct ac_shader_config *conf = &variant->config;
unsigned max_simd_waves;
unsigned lds_per_wave = 0;
max_simd_waves = ac_get_max_simd_waves(device->physical_device->rad_info.family);
conf = &variant->config;
if (stage == MESA_SHADER_FRAGMENT) {
lds_per_wave = conf->lds_size * lds_increment +
align(variant->info.fs.num_interp * 48,
@@ -1323,6 +1321,18 @@ generate_shader_stats(struct radv_device *device,
if (lds_per_wave)
max_simd_waves = MIN2(max_simd_waves, 16384 / lds_per_wave);
return max_simd_waves;
}
static void
generate_shader_stats(struct radv_device *device,
struct radv_shader_variant *variant,
gl_shader_stage stage,
struct _mesa_string_buffer *buf)
{
struct ac_shader_config *conf = &variant->config;
unsigned max_simd_waves = radv_get_max_waves(device, variant, stage);
if (stage == MESA_SHADER_FRAGMENT) {
_mesa_string_buffer_printf(buf, "*** SHADER CONFIG ***\n"
"SPI_PS_INPUT_ADDR = 0x%04x\n"