From f98f4f6d7a4756c7ed6723abdf5e8ceaf1ff2ed0 Mon Sep 17 00:00:00 2001
From: Brian <brian@yutani.localnet.net>
Date: Wed, 11 Apr 2007 12:29:38 -0600
Subject: [PATCH] move/fix texture sampling funcs

---
 .../slang/library/slang_common_builtin.gc     | 66 +++++++++++++++----
 .../slang/library/slang_fragment_builtin.gc   | 37 -----------
 2 files changed, 54 insertions(+), 49 deletions(-)

diff --git a/src/mesa/shader/slang/library/slang_common_builtin.gc b/src/mesa/shader/slang/library/slang_common_builtin.gc
index 42a5d723b42..103bbc4b9d4 100644
--- a/src/mesa/shader/slang/library/slang_common_builtin.gc
+++ b/src/mesa/shader/slang/library/slang_common_builtin.gc
@@ -1660,26 +1660,68 @@ vec4 textureCube(const samplerCube sampler, const vec3 coord)
 
 
 
-vec4 shadow1D (sampler1DShadow sampler, vec3 coord) {
-    vec4 texel;
-    __asm vec4_shad1d texel, sampler, coord, 0.0;
-    return texel;
+vec4 shadow1D(const sampler1DShadow sampler, const vec3 coord)
+{
+   __asm vec4_tex1d __retVal, sampler, coord;
+}
+
+vec4 shadow1DProj(const sampler1DShadow sampler, const vec4 coord)
+{
+   vec4 pcoord;
+   pcoord.x = coord.x / coord.w;
+   pcoord.z = coord.z;
+   pcoord.w = bias;
+   __asm vec4_tex1d __retVal, sampler, pcoord;
+}
+
+vec4 shadow2D(const sampler2DShadow sampler, const vec3 coord)
+{
+   __asm vec4_tex2d __retVal, sampler, coord;
+}
+
+vec4 shadow2DProj(const sampler2DShadow sampler, const vec4 coord)
+{
+   vec4 pcoord;
+   pcoord.xy = coord.xy / coord.w;
+   pcoord.z = coord.z;
+   __asm vec4_tex2d __retVal, sampler, pcoord;
 }
 
-vec4 shadow1DProj (sampler1DShadow sampler, vec4 coord) {
-    return shadow1D (sampler, vec3 (coord.s / coord.q, 0.0, coord.p / coord.q));
+
+//// GL_ARB_texture_rectangle:
+vec4 texture2DRect(const sampler2DRect sampler, const vec2 coord)
+{
+   __asm vec4_tex_rect __retVal, sampler, coord;
+}
+
+vec4 texture2DRectProj(const sampler2DRect sampler, const vec3 coord)
+{
+   // do projection here
+   vec4 pcoord;
+   pcoord.xy = coord.xy / coord.z;
+   __asm vec4_texp_rect __retVal, sampler, pcoord;
+}
+
+vec4 texture2DRectProj(const sampler2DRect sampler, const vec4 coord)
+{
+   // do projection here
+   vec4 pcoord;
+   pcoord.xy = coord.xy / coord.w;
+   __asm vec4_texp_rect __retVal, sampler, pcoord;
 }
 
-vec4 shadow2D (sampler2DShadow sampler, vec3 coord) {
-    vec4 texel;
-    __asm vec4_shad2d texel, sampler, coord, 0.0;
-    return texel;
+vec4 shadow2DRect(const sampler2DRectShadow sampler, const vec3 coord)
+{
+// XXX to do
 }
 
-vec4 shadow2DProj (sampler2DShadow sampler, vec4 coord) {
-    return shadow2D (sampler, vec3 (coord.s / coord.q, coord.t / coord.q, coord.p / coord.q));
+vec4 shadow2DRectProj(const sampler2DRectShadow sampler, const vec4 coord)
+{
+// XXX to do
 }
 
+
+
 //
 // 8.9 Noise Functions
 //
diff --git a/src/mesa/shader/slang/library/slang_fragment_builtin.gc b/src/mesa/shader/slang/library/slang_fragment_builtin.gc
index 9a7e17bdaf2..416c6ff313d 100644
--- a/src/mesa/shader/slang/library/slang_fragment_builtin.gc
+++ b/src/mesa/shader/slang/library/slang_fragment_builtin.gc
@@ -150,9 +150,6 @@ vec4 shadow1DProj(const sampler1DShadow sampler, const vec4 coord, const float b
    __asm vec4_texb1d __retVal, sampler, pcoord;
 }
 
-
-
-
 vec4 shadow2D(const sampler2DShadow sampler, const vec3 coord, const float bias)
 {
    vec4 coord4;
@@ -172,40 +169,6 @@ vec4 shadow2DProj(const sampler2DShadow sampler, const vec4 coord, const float b
 
 
 
-//// GL_ARB_texture_rectangle:
-vec4 texture2DRect(const sampler2DRect sampler, const vec2 coord)
-{
-   __asm vec4_tex_rect __retVal, sampler, coord;
-}
-
-vec4 texture2DRectProj(const sampler2DRect sampler, const vec3 coord)
-{
-   // do projection here
-   vec4 pcoord;
-   pcoord.xy = coord.xy / coord.z;
-   __asm vec4_texp_rect __retVal, sampler, pcoord;
-}
-
-vec4 texture2DRectProj(const sampler2DRect sampler, const vec4 coord)
-{
-   // do projection here
-   vec4 pcoord;
-   pcoord.xy = coord.xy / coord.w;
-   __asm vec4_texp_rect __retVal, sampler, pcoord;
-}
-
-vec4 shadow2DRect(const sampler2DRectShadow sampler, const vec3 coord)
-{
-// XXX to do
-}
-
-vec4 shadow2DRectProj(const sampler2DRectShadow sampler, const vec4 coord)
-{
-// XXX to do
-}
-
-
-
 //
 // 8.8 Fragment Processing Functions
 //
-- 
2.30.2