[Mesa-dev] [PATCH 2/2] AMDGPU: Add intrinsic for sampling with explicit LOD on SI.

[Tom Stellard]

On Thu, Nov 08, 2012 at 04:04:10PM +0100, Michel Dänzer wrote:
> From: Michel Dänzer <michel.daenzer at amd.com>
> 
> 
> Signed-off-by: Michel Dänzer <michel.daenzer at amd.com>

For the series:
Reviewed-by: Tom Stellard <thomas.stellard at amd.com>

> ---
>  lib/Target/AMDGPU/SIInstructions.td |    9 ++++++++-
>  lib/Target/AMDGPU/SIIntrinsics.td   |    1 +
>  2 files changed, 9 insertions(+), 1 deletion(-)
> 
> diff --git a/lib/Target/AMDGPU/SIInstructions.td b/lib/Target/AMDGPU/SIInstructions.td
> index aa31bb5..8512b48 100644
> --- a/lib/Target/AMDGPU/SIInstructions.td
> +++ b/lib/Target/AMDGPU/SIInstructions.td
> @@ -495,7 +495,7 @@ defm S_LOAD_DWORDX8 : SMRD_Helper <0x00000003, "S_LOAD_DWORDX8", SReg_256, v8i32
>  //def IMAGE_ATOMIC_FMAX : MIMG_NoPattern_ <"IMAGE_ATOMIC_FMAX", 0x0000001f>;
>  def IMAGE_SAMPLE : MIMG_Load_Helper <0x00000020, "IMAGE_SAMPLE">; 
>  //def IMAGE_SAMPLE_CL : MIMG_NoPattern_ <"IMAGE_SAMPLE_CL", 0x00000021>;
> -//def IMAGE_SAMPLE_D : MIMG_NoPattern_ <"IMAGE_SAMPLE_D", 0x00000022>;
> +def IMAGE_SAMPLE_D : MIMG_Load_Helper <0x00000022, "IMAGE_SAMPLE_D">;
>  //def IMAGE_SAMPLE_D_CL : MIMG_NoPattern_ <"IMAGE_SAMPLE_D_CL", 0x00000023>;
>  //def IMAGE_SAMPLE_L : MIMG_NoPattern_ <"IMAGE_SAMPLE_L", 0x00000024>;
>  def IMAGE_SAMPLE_B : MIMG_Load_Helper <0x00000025, "IMAGE_SAMPLE_B">;
> @@ -1131,6 +1131,13 @@ def : Pat <
>                  SReg_256:$rsrc, SReg_128:$sampler)
>  >;
>  
> +/* int_SI_sample_lod */
> +def : Pat <
> +  (int_SI_sample_lod imm:$writemask, VReg_128:$coord, SReg_256:$rsrc, SReg_128:$sampler),
> +  (IMAGE_SAMPLE_D imm:$writemask, 0, 0, 0, 0, 0, 0, 0, VReg_128:$coord,
> +                  SReg_256:$rsrc, SReg_128:$sampler)
> +>;
> +
>  /* int_SI_sample_bias */
>  def : Pat <
>    (int_SI_sample_bias imm:$writemask, VReg_128:$coord, SReg_256:$rsrc, SReg_128:$sampler),
> diff --git a/lib/Target/AMDGPU/SIIntrinsics.td b/lib/Target/AMDGPU/SIIntrinsics.td
> index f8039d1..1008fc4 100644
> --- a/lib/Target/AMDGPU/SIIntrinsics.td
> +++ b/lib/Target/AMDGPU/SIIntrinsics.td
> @@ -24,6 +24,7 @@ let TargetPrefix = "SI", isTarget = 1 in {
>  
>    def int_SI_sample : Intrinsic <[llvm_v4f32_ty], [llvm_i32_ty, llvm_v4f32_ty, llvm_v8i32_ty, llvm_v4i32_ty], [IntrReadMem]>;
>    def int_SI_sample_bias : Intrinsic <[llvm_v4f32_ty], [llvm_i32_ty, llvm_v4f32_ty, llvm_v8i32_ty, llvm_v4i32_ty], [IntrReadMem]>;
> +  def int_SI_sample_lod : Intrinsic <[llvm_v4f32_ty], [llvm_i32_ty, llvm_v4f32_ty, llvm_v8i32_ty, llvm_v4i32_ty], [IntrReadMem]>;
>  
>    /* Interpolation Intrinsics */
>  
> -- 
> 1.7.10.4
> 
> _______________________________________________
> mesa-dev mailing list
> mesa-dev at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/mesa-dev