From 90e6f47ac8c8fdbfd097ef099895cd2ae005eb55 Mon Sep 17 00:00:00 2001 From: Vincent Lejeune Date: Wed, 13 Feb 2013 18:49:30 +0100 Subject: [PATCH] r600g/llvm: Fix alpha_to_one piglit tests Reviewed-by: Tom Stellard --- src/gallium/drivers/r600/r600_llvm.c | 2 ++ src/gallium/drivers/r600/r600_shader.c | 1 + src/gallium/drivers/radeon/radeon_llvm.h | 1 + 3 files changed, 4 insertions(+) diff --git a/src/gallium/drivers/r600/r600_llvm.c b/src/gallium/drivers/r600/r600_llvm.c index 7a416882cbc..59047e7779b 100644 --- a/src/gallium/drivers/r600/r600_llvm.c +++ b/src/gallium/drivers/r600/r600_llvm.c @@ -234,6 +234,8 @@ static void llvm_emit_epilogue(struct lp_build_tgsi_context * bld_base) elements[chan] = LLVMBuildLoad(base->gallivm->builder, ctx->soa.outputs[i][chan], ""); } + if (ctx->alpha_to_one && ctx->type == TGSI_PROCESSOR_FRAGMENT && ctx->r600_outputs[i].name == TGSI_SEMANTIC_COLOR) + elements[3] = lp_build_const_float(base->gallivm, 1.0f); LLVMValueRef output = lp_build_gather_values(base->gallivm, elements, 4); if (ctx->type == TGSI_PROCESSOR_VERTEX) { diff --git a/src/gallium/drivers/r600/r600_shader.c b/src/gallium/drivers/r600/r600_shader.c index 59a7f92d2c0..86424634d0f 100644 --- a/src/gallium/drivers/r600/r600_shader.c +++ b/src/gallium/drivers/r600/r600_shader.c @@ -1428,6 +1428,7 @@ static int r600_shader_from_tgsi(struct r600_screen *rscreen, radeon_llvm_ctx.fs_color_all = shader->fs_write_all && (rscreen->chip_class >= EVERGREEN); radeon_llvm_ctx.stream_outputs = &so; radeon_llvm_ctx.clip_vertex = ctx.cv_output; + radeon_llvm_ctx.alpha_to_one = key.alpha_to_one; mod = r600_tgsi_llvm(&radeon_llvm_ctx, tokens); if (debug_get_bool_option("R600_DUMP_SHADERS", FALSE)) { dump = 1; diff --git a/src/gallium/drivers/radeon/radeon_llvm.h b/src/gallium/drivers/radeon/radeon_llvm.h index 21360e296cf..bfeacb5331f 100644 --- a/src/gallium/drivers/radeon/radeon_llvm.h +++ b/src/gallium/drivers/radeon/radeon_llvm.h @@ -64,6 +64,7 @@ struct radeon_llvm_context { struct pipe_stream_output_info *stream_outputs; unsigned color_buffer_count; unsigned fs_color_all; + unsigned alpha_to_one; /*=== Front end configuration ===*/ -- 2.30.2