Mesa (master): gallivm/llvmpipe: add const qualifiers on sampler variables

[Brian Paul]

Module: Mesa
Branch: master
Commit: 7a044ef68b84ab850a2299462e03aedf94a3db02
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=7a044ef68b84ab850a2299462e03aedf94a3db02

Author: Brian Paul <brianp at vmware.com>
Date:   Thu Feb  1 13:17:08 2018 -0700

gallivm/llvmpipe: add const qualifiers on sampler variables

Once a lp_build_sampler_soa or lp_build_sampler_aos object is created,
it should never be modified.  Found by inspection.

Reviewed-by: Roland Scheidegger <sroland at vmware.com>

---

 src/gallium/auxiliary/draw/draw_llvm.c          | 2 +-
 src/gallium/auxiliary/gallivm/lp_bld_tgsi.h     | 8 ++++----
 src/gallium/auxiliary/gallivm/lp_bld_tgsi_aos.c | 2 +-
 src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c | 2 +-
 src/gallium/drivers/llvmpipe/lp_state_fs.c      | 2 +-
 5 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/src/gallium/auxiliary/draw/draw_llvm.c b/src/gallium/auxiliary/draw/draw_llvm.c
index 8de29ea1fd..69c1080375 100644
--- a/src/gallium/auxiliary/draw/draw_llvm.c
+++ b/src/gallium/auxiliary/draw/draw_llvm.c
@@ -606,7 +606,7 @@ generate_vs(struct draw_llvm_variant *variant,
             const LLVMValueRef (*inputs)[TGSI_NUM_CHANNELS],
             const struct lp_bld_tgsi_system_values *system_values,
             LLVMValueRef context_ptr,
-            struct lp_build_sampler_soa *draw_sampler,
+            const struct lp_build_sampler_soa *draw_sampler,
             boolean clamp_vertex_color)
 {
    struct draw_llvm *llvm = variant->llvm;
diff --git a/src/gallium/auxiliary/gallivm/lp_bld_tgsi.h b/src/gallium/auxiliary/gallivm/lp_bld_tgsi.h
index eeeea50781..309ece88df 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_tgsi.h
+++ b/src/gallium/auxiliary/gallivm/lp_bld_tgsi.h
@@ -201,7 +201,7 @@ struct lp_build_sampler_soa
 struct lp_build_sampler_aos
 {
    LLVMValueRef
-   (*emit_fetch_texel)( struct lp_build_sampler_aos *sampler,
+   (*emit_fetch_texel)( const struct lp_build_sampler_aos *sampler,
                         struct lp_build_context *bld,
                         unsigned target, /* TGSI_TEXTURE_* */
                         unsigned unit,
@@ -228,7 +228,7 @@ lp_build_tgsi_soa(struct gallivm_state *gallivm,
                   LLVMValueRef (*outputs)[4],
                   LLVMValueRef context_ptr,
                   LLVMValueRef thread_data_ptr,
-                  struct lp_build_sampler_soa *sampler,
+                  const struct lp_build_sampler_soa *sampler,
                   const struct tgsi_shader_info *info,
                   const struct lp_build_tgsi_gs_iface *gs_iface);
 
@@ -241,7 +241,7 @@ lp_build_tgsi_aos(struct gallivm_state *gallivm,
                   LLVMValueRef consts_ptr,
                   const LLVMValueRef *inputs,
                   LLVMValueRef *outputs,
-                  struct lp_build_sampler_aos *sampler,
+                  const struct lp_build_sampler_aos *sampler,
                   const struct tgsi_shader_info *info);
 
 
@@ -545,7 +545,7 @@ struct lp_build_tgsi_aos_context
    const LLVMValueRef *inputs;
    LLVMValueRef *outputs;
 
-   struct lp_build_sampler_aos *sampler;
+   const struct lp_build_sampler_aos *sampler;
 
    struct tgsi_declaration_sampler_view sv[PIPE_MAX_SHADER_SAMPLER_VIEWS];
 
diff --git a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_aos.c b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_aos.c
index 2529c6a8bf..85b2e8a207 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_aos.c
+++ b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_aos.c
@@ -862,7 +862,7 @@ lp_build_tgsi_aos(struct gallivm_state *gallivm,
                   LLVMValueRef consts_ptr,
                   const LLVMValueRef *inputs,
                   LLVMValueRef *outputs,
-                  struct lp_build_sampler_aos *sampler,
+                  const struct lp_build_sampler_aos *sampler,
                   const struct tgsi_shader_info *info)
 {
    struct lp_build_tgsi_aos_context bld;
diff --git a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c
index 97efc3a399..fad74c6801 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c
+++ b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c
@@ -3780,7 +3780,7 @@ lp_build_tgsi_soa(struct gallivm_state *gallivm,
                   LLVMValueRef (*outputs)[TGSI_NUM_CHANNELS],
                   LLVMValueRef context_ptr,
                   LLVMValueRef thread_data_ptr,
-                  struct lp_build_sampler_soa *sampler,
+                  const struct lp_build_sampler_soa *sampler,
                   const struct tgsi_shader_info *info,
                   const struct lp_build_tgsi_gs_iface *gs_iface)
 {
diff --git a/src/gallium/drivers/llvmpipe/lp_state_fs.c b/src/gallium/drivers/llvmpipe/lp_state_fs.c
index 0daf7aecf6..603fd84f6b 100644
--- a/src/gallium/drivers/llvmpipe/lp_state_fs.c
+++ b/src/gallium/drivers/llvmpipe/lp_state_fs.c
@@ -299,7 +299,7 @@ generate_fs_loop(struct gallivm_state *gallivm,
                  LLVMValueRef context_ptr,
                  LLVMValueRef num_loop,
                  struct lp_build_interp_soa_context *interp,
-                 struct lp_build_sampler_soa *sampler,
+                 const struct lp_build_sampler_soa *sampler,
                  LLVMValueRef mask_store,
                  LLVMValueRef (*out_color)[4],
                  LLVMValueRef depth_ptr,