From 806aaa1287e0762ce29f8ef3e9102d182a6fad7d Mon Sep 17 00:00:00 2001
From: Jason Green <jave27@gmail.com>
Date: Fri, 9 Jun 2006 03:34:44 -0400
Subject: [PATCH] wined3d: Added more declarations to GLSL.

- Declare more variable names for GLSL programs.
- Some of these won't need to be declared eventually, but it doesn't hurt to do it for now.
- Correct output name for pixel shaders (gl_FragColor instead of glFragColor).
---
 dlls/wined3d/baseshader.c  | 23 +++++++++++++++++++----
 dlls/wined3d/pixelshader.c |  2 +-
 2 files changed, 20 insertions(+), 5 deletions(-)

diff --git a/dlls/wined3d/baseshader.c b/dlls/wined3d/baseshader.c
index da81351994b..8d1f759bb6d 100644
--- a/dlls/wined3d/baseshader.c
+++ b/dlls/wined3d/baseshader.c
@@ -575,16 +575,21 @@ void generate_glsl_declarations(
     /* Declare the constants (aka uniforms) */
     shader_addline(buffer, "uniform vec4 C[%u];\n", This->baseShader.limits.constant_float);
 
+    /* Declare texture samplers 
+     * TODO: Make this work for textures other than 2D */
+    for (i = 0; i < This->baseShader.limits.texture; i++) {
+        shader_addline(buffer, "uniform sampler2D mytex%lu;\n", i);
+    }
+    
     /* Declare address variables */
     for (i = 0; i < This->baseShader.limits.address; i++) {
         if (reg_maps->address & (1 << i))
             shader_addline(buffer, "ivec4 A%ld;\n", i);
     }
 
-    /* Declare all named attributes (TODO: Add this to the reg_maps
-     * and only declare those that are needed) */
-    for (i = 0; i < This->baseShader.limits.attributes; i++) {
-        shader_addline(buffer, "attribute vec4 attrib%i;\n", i);
+    /* Declare texture temporaries */
+    for (i = 0; i < This->baseShader.limits.texture; i++) {
+        shader_addline(buffer, "vec4 T%lu = gl_TexCoord[%lu];\n", i, i);
     }
 
     /* Declare temporary variables */
@@ -593,6 +598,16 @@ void generate_glsl_declarations(
             shader_addline(buffer, "vec4 R%lu;\n", i);
     }
 
+    /* Declare all named attributes (TODO: Add this to the reg_maps
+     * and only declare those that are needed) */
+    for (i = 0; i < This->baseShader.limits.attributes; i++) {
+        shader_addline(buffer, "attribute vec4 attrib%i;\n", i);
+    }
+
+    /* Temporary variables for matrix operations */
+    shader_addline(buffer, "vec4 tmp0;\n");
+    shader_addline(buffer, "vec4 tmp1;\n");
+
     /* Start the main program */
     shader_addline(buffer, "void main() {\n");
 }
diff --git a/dlls/wined3d/pixelshader.c b/dlls/wined3d/pixelshader.c
index 4c52a25b6c8..65a81c5e0f4 100644
--- a/dlls/wined3d/pixelshader.c
+++ b/dlls/wined3d/pixelshader.c
@@ -1290,7 +1290,7 @@ inline static VOID IWineD3DPixelShaderImpl_GenerateShader(
 
         /* Pixel shaders < 2.0 place the resulting color in R0 implicitly */
         if (This->baseShader.hex_version < D3DPS_VERSION(2,0))
-            shader_addline(&buffer, "glFragColor = R0;\n");
+            shader_addline(&buffer, "gl_FragColor = R0;\n");
         shader_addline(&buffer, "}\n\0");
 
         TRACE("Compiling shader object %u\n", shader_obj);
-- 
2.11.4.GIT