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authorMarek Olšák <[email protected]>2015-08-15 11:51:48 +0200
committerMarek Olšák <[email protected]>2015-08-19 12:03:01 +0200
commit421b809db10b939d9baf7b904560c37b68261aaf (patch)
treefdbedf840b5225585f10baa23744b3e3b4937d4f /src/gallium/drivers/radeonsi/si_shader.c
parentf33a7ab150ea01f3550904fe3c56fcad32ce85e0 (diff)
radeonsi: fix indirect indexing of MSAA textures
FMASK wasn't handled correctly. Reviewed-by: Michel Dänzer <[email protected]>
Diffstat (limited to 'src/gallium/drivers/radeonsi/si_shader.c')
-rw-r--r--src/gallium/drivers/radeonsi/si_shader.c17
1 files changed, 13 insertions, 4 deletions
diff --git a/src/gallium/drivers/radeonsi/si_shader.c b/src/gallium/drivers/radeonsi/si_shader.c
index 4288e9b2ab1..066732df933 100644
--- a/src/gallium/drivers/radeonsi/si_shader.c
+++ b/src/gallium/drivers/radeonsi/si_shader.c
@@ -2277,7 +2277,7 @@ static void tex_fetch_args(
unsigned sampler_index;
unsigned num_deriv_channels = 0;
bool has_offset = HAVE_LLVM >= 0x0305 ? inst->Texture.NumOffsets > 0 : false;
- LLVMValueRef res_ptr, samp_ptr;
+ LLVMValueRef res_ptr, samp_ptr, fmask_ptr = NULL;
sampler_src = emit_data->inst->Instruction.NumSrcRegs - 1;
sampler_index = emit_data->inst->Src[sampler_src].Register.Index;
@@ -2293,9 +2293,19 @@ static void tex_fetch_args(
samp_ptr = LLVMGetParam(si_shader_ctx->radeon_bld.main_fn, SI_PARAM_SAMPLER);
samp_ptr = build_indexed_load_const(si_shader_ctx, samp_ptr, ind_index);
+
+ if (target == TGSI_TEXTURE_2D_MSAA ||
+ target == TGSI_TEXTURE_2D_ARRAY_MSAA) {
+ ind_index = LLVMBuildAdd(gallivm->builder, ind_index,
+ lp_build_const_int32(gallivm,
+ SI_FMASK_TEX_OFFSET), "");
+ fmask_ptr = LLVMGetParam(si_shader_ctx->radeon_bld.main_fn, SI_PARAM_RESOURCE);
+ fmask_ptr = build_indexed_load_const(si_shader_ctx, res_ptr, ind_index);
+ }
} else {
res_ptr = si_shader_ctx->resources[sampler_index];
samp_ptr = si_shader_ctx->samplers[sampler_index];
+ fmask_ptr = si_shader_ctx->resources[SI_FMASK_TEX_OFFSET + sampler_index];
}
if (target == TGSI_TEXTURE_BUFFER) {
@@ -2493,7 +2503,7 @@ static void tex_fetch_args(
txf_emit_data.dst_type = LLVMVectorType(
LLVMInt32TypeInContext(gallivm->context), 4);
txf_emit_data.args[0] = lp_build_gather_values(gallivm, txf_address, txf_count);
- txf_emit_data.args[1] = si_shader_ctx->resources[SI_FMASK_TEX_OFFSET + sampler_index];
+ txf_emit_data.args[1] = fmask_ptr;
txf_emit_data.args[2] = lp_build_const_int32(gallivm, inst.Texture.Texture);
txf_emit_data.arg_count = 3;
@@ -2524,8 +2534,7 @@ static void tex_fetch_args(
* resource descriptor is 0 (invalid),
*/
LLVMValueRef fmask_desc =
- LLVMBuildBitCast(gallivm->builder,
- si_shader_ctx->resources[SI_FMASK_TEX_OFFSET + sampler_index],
+ LLVMBuildBitCast(gallivm->builder, fmask_ptr,
LLVMVectorType(uint_bld->elem_type, 8), "");
LLVMValueRef fmask_word1 =