fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2025-12-28 12:30:09 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

radv: fix texturesamples to handle single sample case

Browse source 
We can only read the valid samples if this is an MSAA
texture, which means the type field must be 0x14 or 0x15.

This fixes:
dEQP-VK.glsl.texture_functions.query.texturesamples.*

Cc: "13.0" <mesa-stable@lists.freedesktop.org>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie 2016-11-10 10:32:08 +10:00
parent a6c3d0f92b
commit 2de85eb97a
1 changed files with 10 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

12
src/amd/common/ac_nir_to_llvm.c
View file

@ -3371,17 +3371,25 @@ static void visit_tex(struct nir_to_llvm_context *ctx, nir_tex_instr *instr)
}
if (instr->op == nir_texop_texture_samples) {
LLVMValueRef res, samples;
LLVMValueRef res, samples, is_msaa;
res = LLVMBuildBitCast(ctx->builder, res_ptr, ctx->v8i32, "");
samples = LLVMBuildExtractElement(ctx->builder, res,
LLVMConstInt(ctx->i32, 3, false), "");
is_msaa = LLVMBuildLShr(ctx->builder, samples,
LLVMConstInt(ctx->i32, 28, false), "");
is_msaa = LLVMBuildAnd(ctx->builder, is_msaa,
LLVMConstInt(ctx->i32, 0xe, false), "");
is_msaa = LLVMBuildICmp(ctx->builder, LLVMIntEQ, is_msaa,
LLVMConstInt(ctx->i32, 0xe, false), "");
samples = LLVMBuildLShr(ctx->builder, samples,
LLVMConstInt(ctx->i32, 16, false), "");
samples = LLVMBuildAnd(ctx->builder, samples,
LLVMConstInt(ctx->i32, 0xf, false), "");
samples = LLVMBuildShl(ctx->builder, ctx->i32one,
samples, "");
samples = LLVMBuildSelect(ctx->builder, is_msaa, samples,
ctx->i32one, "");
result = samples;
goto write_result;
}