GLSL shaders no longer use gl_TexCoord[] varying variables

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@9610 d7cf8633-e32d-0410-b094-e92efae38249

diff --git a/gl_rmain.c b/gl_rmain.c
index 41734a4e1cf45adaafac316b93c64fd15c25592d..1dec311b36fac9e5460c4f39fac48d182658a092 100644 (file)
--- a/gl_rmain.c
+++ b/gl_rmain.c
@@ -484,13 +484,16 @@ static const char *builtinshaderstring =
 "#endif\n"
 "#else // !MODE_SHOWDEPTH\n"
 "#ifdef MODE_POSTPROCESS\n"
+"varying vec2 TexCoord1;\n"
+"varying vec2 TexCoord2;\n"
+"\n"
 "#ifdef VERTEX_SHADER\n"
 "void main(void)\n"
 "{\n"
 "      gl_Position = ftransform();\n"
-"      gl_TexCoord[0] = gl_MultiTexCoord0;\n"
+"      TexCoord1 = gl_MultiTexCoord0.xy;\n"
 "#ifdef USEBLOOM\n"
-"      gl_TexCoord[1] = gl_MultiTexCoord1;\n"
+"      TexCoord2 = gl_MultiTexCoord1.xy;\n"
 "#endif\n"
 "}\n"
 "#endif\n"
@@ -518,9 +521,9 @@ static const char *builtinshaderstring =
 "uniform vec2 PixelSize;\n"
 "void main(void)\n"
 "{\n"
-"      gl_FragColor = texture2D(Texture_First, gl_TexCoord[0].xy);\n"
+"      gl_FragColor = texture2D(Texture_First, TexCoord1);\n"
 "#ifdef USEBLOOM\n"
-"      gl_FragColor += texture2D(Texture_Second, gl_TexCoord[1].xy);\n"
+"      gl_FragColor += texture2D(Texture_Second, TexCoord2);\n"
 "#endif\n"
 "#ifdef USEVIEWTINT\n"
 "      gl_FragColor = mix(gl_FragColor, ViewTintColor, ViewTintColor.a);\n"
@@ -529,11 +532,11 @@ static const char *builtinshaderstring =
 "#ifdef USEPOSTPROCESSING\n"
 "// do r_glsl_dumpshader, edit glsl/default.glsl, and replace this by your own postprocessing if you want\n"
 "// this code does a blur with the radius specified in the first component of r_glsl_postprocess_uservec1 and blends it using the second component\n"
-"      gl_FragColor += texture2D(Texture_First, gl_TexCoord[0].xy + PixelSize*UserVec1.x*vec2(-0.987688, -0.156434)) * UserVec1.y;\n"
-"      gl_FragColor += texture2D(Texture_First, gl_TexCoord[0].xy + PixelSize*UserVec1.x*vec2(-0.156434, -0.891007)) * UserVec1.y;\n"
-"      gl_FragColor += texture2D(Texture_First, gl_TexCoord[0].xy + PixelSize*UserVec1.x*vec2( 0.891007, -0.453990)) * UserVec1.y;\n"
-"      gl_FragColor += texture2D(Texture_First, gl_TexCoord[0].xy + PixelSize*UserVec1.x*vec2( 0.707107,  0.707107)) * UserVec1.y;\n"
-"      gl_FragColor += texture2D(Texture_First, gl_TexCoord[0].xy + PixelSize*UserVec1.x*vec2(-0.453990,  0.891007)) * UserVec1.y;\n"
+"      gl_FragColor += texture2D(Texture_First, TexCoord1 + PixelSize*UserVec1.x*vec2(-0.987688, -0.156434)) * UserVec1.y;\n"
+"      gl_FragColor += texture2D(Texture_First, TexCoord1 + PixelSize*UserVec1.x*vec2(-0.156434, -0.891007)) * UserVec1.y;\n"
+"      gl_FragColor += texture2D(Texture_First, TexCoord1 + PixelSize*UserVec1.x*vec2( 0.891007, -0.453990)) * UserVec1.y;\n"
+"      gl_FragColor += texture2D(Texture_First, TexCoord1 + PixelSize*UserVec1.x*vec2( 0.707107,  0.707107)) * UserVec1.y;\n"
+"      gl_FragColor += texture2D(Texture_First, TexCoord1 + PixelSize*UserVec1.x*vec2(-0.453990,  0.891007)) * UserVec1.y;\n"
 "      gl_FragColor /= (1 + 5 * UserVec1.y);\n"
 "#endif\n"
 "\n"
@@ -553,15 +556,21 @@ static const char *builtinshaderstring =
 "#endif\n"
 "#else // !MODE_POSTPROCESS\n"
 "#ifdef MODE_GENERIC\n"
+"#ifdef USEDIFFUSE\n"
+"varying vec2 TexCoord1;\n"
+"#endif\n"
+"#ifdef USESPECULAR\n"
+"varying vec2 TexCoord2;\n"
+"#endif\n"
 "#ifdef VERTEX_SHADER\n"
 "void main(void)\n"
 "{\n"
 "      gl_FrontColor = gl_Color;\n"
 "#ifdef USEDIFFUSE\n"
-"      gl_TexCoord[0] = gl_MultiTexCoord0;\n"
+"      TexCoord1 = gl_MultiTexCoord0.xy;\n"
 "#endif\n"
 "#ifdef USESPECULAR\n"
-"      gl_TexCoord[1] = gl_MultiTexCoord1;\n"
+"      TexCoord2 = gl_MultiTexCoord1.xy;\n"
 "#endif\n"
 "      gl_Position = ftransform();\n"
 "}\n"
@@ -579,11 +588,11 @@ static const char *builtinshaderstring =
 "{\n"
 "      gl_FragColor = gl_Color;\n"
 "#ifdef USEDIFFUSE\n"
-"      gl_FragColor *= texture2D(Texture_First, gl_TexCoord[0].xy);\n"
+"      gl_FragColor *= texture2D(Texture_First, TexCoord1);\n"
 "#endif\n"
 "\n"
 "#ifdef USESPECULAR\n"
-"      vec4 tex2 = texture2D(Texture_Second, gl_TexCoord[1].xy);\n"
+"      vec4 tex2 = texture2D(Texture_Second, TexCoord2);\n"
 "#endif\n"
 "#ifdef USECOLORMAPPING\n"
 "      gl_FragColor *= tex2;\n"
@@ -598,11 +607,12 @@ static const char *builtinshaderstring =
 "#endif\n"
 "#else // !MODE_GENERIC\n"
 "#ifdef MODE_BLOOMBLUR\n"
+"varying TexCoord;\n"
 "#ifdef VERTEX_SHADER\n"
 "void main(void)\n"
 "{\n"
 "      gl_FrontColor = gl_Color;\n"
-"      gl_TexCoord[0] = gl_MultiTexCoord0;\n"
+"      TexCoord = gl_MultiTexCoord0.xy;\n"
 "      gl_Position = ftransform();\n"
 "}\n"
 "#endif\n"
@@ -614,7 +624,7 @@ static const char *builtinshaderstring =
 "void main(void)\n"
 "{\n"
 "      int i;\n"
-"      vec2 tc = gl_TexCoord[0].xy;\n"
+"      vec2 tc = TexCoord;\n"
 "      vec3 color = texture2D(Texture_First, tc).rgb;\n"
 "      tc += BloomBlur_Parameters.xy;\n"
 "      for (i = 1;i < SAMPLES;i++)\n"