From: Dave Airlie <airlied@redhat.com>
Date: Mon, 15 Jun 2020 07:21:27 +0000 (+1000)
Subject: llvmpipe/draw: wire up indirect offset
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=d243655d34025f85328a1091ac0e9ef2576bfc93;p=mesa.git

llvmpipe/draw: wire up indirect offset

This bounds checks and adds to the llvm index.

Reviewed-by: Roland Scheidegger <sroland@vmware.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/3778>
---

diff --git a/src/gallium/auxiliary/draw/draw_llvm_sample.c b/src/gallium/auxiliary/draw/draw_llvm_sample.c
index 76b83730004..faffe42a0d1 100644
--- a/src/gallium/auxiliary/draw/draw_llvm_sample.c
+++ b/src/gallium/auxiliary/draw/draw_llvm_sample.c
@@ -119,6 +119,11 @@ draw_llvm_texture_member(const struct lp_sampler_dynamic_state *base,
    indices[1] = lp_build_const_int32(gallivm, DRAW_JIT_CTX_TEXTURES);
    /* context[0].textures[unit] */
    indices[2] = lp_build_const_int32(gallivm, texture_unit);
+   if (texture_unit_offset) {
+      indices[2] = LLVMBuildAdd(gallivm->builder, indices[2], texture_unit_offset, "");
+      LLVMValueRef cond = LLVMBuildICmp(gallivm->builder, LLVMIntULT, indices[2], lp_build_const_int32(gallivm, PIPE_MAX_SHADER_SAMPLER_VIEWS), "");
+      indices[2] = LLVMBuildSelect(gallivm->builder, cond, indices[2], lp_build_const_int32(gallivm, texture_unit), "");
+   }
    /* context[0].textures[unit].member */
    indices[3] = lp_build_const_int32(gallivm, member_index);
 
@@ -211,6 +216,11 @@ draw_llvm_image_member(const struct lp_sampler_dynamic_state *base,
    indices[1] = lp_build_const_int32(gallivm, DRAW_JIT_CTX_IMAGES);
    /* context[0].textures[unit] */
    indices[2] = lp_build_const_int32(gallivm, image_unit);
+   if (image_unit_offset) {
+      indices[2] = LLVMBuildAdd(gallivm->builder, indices[2], image_unit_offset, "");
+      LLVMValueRef cond = LLVMBuildICmp(gallivm->builder, LLVMIntULT, indices[2], lp_build_const_int32(gallivm, PIPE_MAX_SHADER_IMAGES), "");
+      indices[2] = LLVMBuildSelect(gallivm->builder, cond, indices[2], lp_build_const_int32(gallivm, image_unit), "");
+   }
    /* context[0].textures[unit].member */
    indices[3] = lp_build_const_int32(gallivm, member_index);
 
diff --git a/src/gallium/drivers/llvmpipe/lp_tex_sample.c b/src/gallium/drivers/llvmpipe/lp_tex_sample.c
index a8d18d772d9..ea44970d0b7 100644
--- a/src/gallium/drivers/llvmpipe/lp_tex_sample.c
+++ b/src/gallium/drivers/llvmpipe/lp_tex_sample.c
@@ -128,6 +128,11 @@ lp_llvm_texture_member(const struct lp_sampler_dynamic_state *base,
    indices[1] = lp_build_const_int32(gallivm, LP_JIT_CTX_TEXTURES);
    /* context[0].textures[unit] */
    indices[2] = lp_build_const_int32(gallivm, texture_unit);
+   if (texture_unit_offset) {
+      indices[2] = LLVMBuildAdd(gallivm->builder, indices[2], texture_unit_offset, "");
+      LLVMValueRef cond = LLVMBuildICmp(gallivm->builder, LLVMIntULT, indices[2], lp_build_const_int32(gallivm, PIPE_MAX_SHADER_SAMPLER_VIEWS), "");
+      indices[2] = LLVMBuildSelect(gallivm->builder, cond, indices[2], lp_build_const_int32(gallivm, texture_unit), "");
+   }
    /* context[0].textures[unit].member */
    indices[3] = lp_build_const_int32(gallivm, member_index);
 
@@ -275,6 +280,11 @@ lp_llvm_image_member(const struct lp_sampler_dynamic_state *base,
    indices[1] = lp_build_const_int32(gallivm, LP_JIT_CTX_IMAGES);
    /* context[0].images[unit] */
    indices[2] = lp_build_const_int32(gallivm, image_unit);
+   if (image_unit_offset) {
+      indices[2] = LLVMBuildAdd(gallivm->builder, indices[2], image_unit_offset, "");
+      LLVMValueRef cond = LLVMBuildICmp(gallivm->builder, LLVMIntULT, indices[2], lp_build_const_int32(gallivm, PIPE_MAX_SHADER_IMAGES), "");
+      indices[2] = LLVMBuildSelect(gallivm->builder, cond, indices[2], lp_build_const_int32(gallivm, image_unit), "");
+   }
    /* context[0].images[unit].member */
    indices[3] = lp_build_const_int32(gallivm, member_index);