From 79d88afd5c59b4d35c0277ca3886b061c8cfe761 Mon Sep 17 00:00:00 2001 From: Dave Airlie Date: Mon, 30 Nov 2015 14:44:30 +1000 Subject: [PATCH] r600: workout bitmask for the used tcs inputs/outputs. This is used later to setup the constants to be given to the tessellation shaders. Signed-off-by: Dave Airlie --- src/gallium/drivers/r600/r600_pipe.h | 3 +++ src/gallium/drivers/r600/r600_state_common.c | 25 ++++++++++++++++++++ 2 files changed, 28 insertions(+) diff --git a/src/gallium/drivers/r600/r600_pipe.h b/src/gallium/drivers/r600/r600_pipe.h index 068e2f8a302..ac06d1f51b6 100644 --- a/src/gallium/drivers/r600/r600_pipe.h +++ b/src/gallium/drivers/r600/r600_pipe.h @@ -330,6 +330,9 @@ struct r600_pipe_shader_selector { unsigned gs_max_out_vertices; unsigned gs_num_invocations; + /* TCS/VS */ + uint64_t lds_patch_outputs_written_mask; + uint64_t lds_outputs_written_mask; unsigned nr_ps_max_color_exports; }; diff --git a/src/gallium/drivers/r600/r600_state_common.c b/src/gallium/drivers/r600/r600_state_common.c index ab8a2c142cd..0c8ed524e76 100644 --- a/src/gallium/drivers/r600/r600_state_common.c +++ b/src/gallium/drivers/r600/r600_state_common.c @@ -855,6 +855,7 @@ static void *r600_create_shader_state(struct pipe_context *ctx, unsigned pipe_shader_type) { struct r600_pipe_shader_selector *sel = CALLOC_STRUCT(r600_pipe_shader_selector); + int i; sel->type = pipe_shader_type; sel->tokens = tgsi_dup_tokens(state->tokens); @@ -870,6 +871,30 @@ static void *r600_create_shader_state(struct pipe_context *ctx, sel->gs_num_invocations = sel->info.properties[TGSI_PROPERTY_GS_INVOCATIONS]; break; + case PIPE_SHADER_VERTEX: + case PIPE_SHADER_TESS_CTRL: + sel->lds_patch_outputs_written_mask = 0; + sel->lds_outputs_written_mask = 0; + + for (i = 0; i < sel->info.num_outputs; i++) { + unsigned name = sel->info.output_semantic_name[i]; + unsigned index = sel->info.output_semantic_index[i]; + + switch (name) { + case TGSI_SEMANTIC_TESSINNER: + case TGSI_SEMANTIC_TESSOUTER: + case TGSI_SEMANTIC_PATCH: + sel->lds_patch_outputs_written_mask |= + 1llu << r600_get_lds_unique_index(name, index); + break; + default: + sel->lds_outputs_written_mask |= + 1llu << r600_get_lds_unique_index(name, index); + } + } + break; + default: + break; } return sel; -- 2.30.2