diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/gallium/drivers/radeonsi/si_shader.c | 43 |
1 files changed, 19 insertions, 24 deletions
diff --git a/src/gallium/drivers/radeonsi/si_shader.c b/src/gallium/drivers/radeonsi/si_shader.c index 1e3be620e31..b19c61e99d2 100644 --- a/src/gallium/drivers/radeonsi/si_shader.c +++ b/src/gallium/drivers/radeonsi/si_shader.c @@ -5361,6 +5361,23 @@ static void declare_tess_lds(struct si_shader_context *ctx) "tess_lds"); } +static unsigned si_get_max_workgroup_size(struct si_shader *shader) +{ + const unsigned *properties = shader->selector->info.properties; + unsigned max_work_group_size = + properties[TGSI_PROPERTY_CS_FIXED_BLOCK_WIDTH] * + properties[TGSI_PROPERTY_CS_FIXED_BLOCK_HEIGHT] * + properties[TGSI_PROPERTY_CS_FIXED_BLOCK_DEPTH]; + + if (!max_work_group_size) { + /* This is a variable group size compute shader, + * compile it for the maximum possible group size. + */ + max_work_group_size = SI_MAX_VARIABLE_THREADS_PER_BLOCK; + } + return max_work_group_size; +} + static void create_function(struct si_shader_context *ctx) { struct lp_build_tgsi_context *bld_base = &ctx->soa.bld_base; @@ -5587,22 +5604,9 @@ static void create_function(struct si_shader_context *ctx) S_0286D0_FRONT_FACE_ENA(1) | S_0286D0_POS_FIXED_PT_ENA(1)); } else if (ctx->type == PIPE_SHADER_COMPUTE) { - const unsigned *properties = shader->selector->info.properties; - unsigned max_work_group_size = - properties[TGSI_PROPERTY_CS_FIXED_BLOCK_WIDTH] * - properties[TGSI_PROPERTY_CS_FIXED_BLOCK_HEIGHT] * - properties[TGSI_PROPERTY_CS_FIXED_BLOCK_DEPTH]; - - if (!max_work_group_size) { - /* This is a variable group size compute shader, - * compile it for the maximum possible group size. - */ - max_work_group_size = SI_MAX_VARIABLE_THREADS_PER_BLOCK; - } - si_llvm_add_attribute(ctx->main_fn, "amdgpu-max-work-group-size", - max_work_group_size); + si_get_max_workgroup_size(shader)); } shader->info.num_input_sgprs = 0; @@ -7270,20 +7274,11 @@ int si_compile_tgsi_shader(struct si_screen *sscreen, * LLVM 3.9svn has this bug. */ if (sel->type == PIPE_SHADER_COMPUTE) { - unsigned *props = sel->info.properties; unsigned wave_size = 64; unsigned max_vgprs = 256; unsigned max_sgprs = sscreen->b.chip_class >= VI ? 800 : 512; unsigned max_sgprs_per_wave = 128; - unsigned max_block_threads; - - if (props[TGSI_PROPERTY_CS_FIXED_BLOCK_WIDTH]) - max_block_threads = props[TGSI_PROPERTY_CS_FIXED_BLOCK_WIDTH] * - props[TGSI_PROPERTY_CS_FIXED_BLOCK_HEIGHT] * - props[TGSI_PROPERTY_CS_FIXED_BLOCK_DEPTH]; - else - max_block_threads = SI_MAX_VARIABLE_THREADS_PER_BLOCK; - + unsigned max_block_threads = si_get_max_workgroup_size(shader); unsigned min_waves_per_cu = DIV_ROUND_UP(max_block_threads, wave_size); unsigned min_waves_per_simd = DIV_ROUND_UP(min_waves_per_cu, 4); |