- generate uniform declarations from c++

src/gl/shaders/gl_shader.cpp

@@ -63,9 +63,117 @@ bool FShader::Load(const char * name, const char * vert_prog_lump, const char *
 	static char buffer[10000];
 	FString error;
 
-	int i_lump = Wads.CheckNumForFullName("shaders/glsl/shaderdefs.i", 0);
-	if (i_lump == -1) I_Error("Unable to load 'shaders/glsl/shaderdefs.i'");
-	FMemLump i_data = Wads.ReadLump(i_lump);
+	FString i_data;
+	
+	// these settings are actually pointless but there seem to be some old ATI drivers that fail to compile the shader without setting the precision here.
+	i_data += "precision highp int;\n";
+	i_data += "precision highp float;\n";
+
+	i_data += "uniform vec4 uCameraPos;\n";
+	i_data += "uniform int uTextureMode;\n";
+	i_data += "uniform float uClipHeight;\n";
+	i_data += "uniform float uClipHeightDirection;\n";
+	i_data += "uniform vec2 uClipSplit;\n";
+	i_data += "uniform vec4 uClipLine;\n";
+	i_data += "uniform float uAlphaThreshold;\n";
+
+	// colors
+	i_data += "uniform vec4 uObjectColor;\n";
+	i_data += "uniform vec4 uObjectColor2;\n";
+	i_data += "uniform vec4 uDynLightColor;\n";
+	i_data += "uniform vec4 uFogColor;\n";
+	i_data += "uniform float uDesaturationFactor;\n";
+	i_data += "uniform float uInterpolationFactor;\n";
+
+	// Fixed colormap stuff
+	i_data += "uniform int uFixedColormap;\n"; // 0, when no fixed colormap, 1 for a light value, 2 for a color blend, 3 for a fog layer
+	i_data += "uniform vec4 uFixedColormapStart;\n";
+	i_data += "uniform vec4 uFixedColormapRange;\n";
+
+	// Glowing walls stuff
+	i_data += "uniform vec4 uGlowTopPlane;\n";
+	i_data += "uniform vec4 uGlowTopColor;\n";
+	i_data += "uniform vec4 uGlowBottomPlane;\n";
+	i_data += "uniform vec4 uGlowBottomColor;\n";
+
+	i_data += "uniform vec4 uSplitTopPlane;\n";
+	i_data += "uniform vec4 uSplitBottomPlane;\n";
+
+	// Lighting + Fog
+	i_data += "uniform vec4 uLightAttr;\n";
+	i_data += "#define uLightLevel uLightAttr.a\n";
+	i_data += "#define uFogDensity uLightAttr.b\n";
+	i_data += "#define uLightFactor uLightAttr.g\n";
+	i_data += "#define uLightDist uLightAttr.r\n";
+	i_data += "uniform int uFogEnabled;\n";
+	i_data += "uniform int uPalLightLevels;\n";
+	i_data += "uniform float uGlobVis;\n"; // uGlobVis = R_GetGlobVis(r_visibility) / 32.0
+
+	// dynamic lights
+	i_data += "uniform int uLightIndex;\n";
+
+	// Software fuzz scaling
+	i_data += "uniform int uViewHeight;\n";
+
+	// Blinn glossiness and specular level
+	i_data += "uniform vec2 uSpecularMaterial;\n";
+
+	// quad drawer stuff
+	i_data += "#ifdef USE_QUAD_DRAWER\n";
+	i_data += "uniform mat4 uQuadVertices;\n";
+	i_data += "uniform mat4 uQuadTexCoords;\n";
+	i_data += "uniform int uQuadMode;\n";
+	i_data += "#endif\n";
+
+	// matrices
+	i_data += "uniform mat4 ProjectionMatrix;\n";
+	i_data += "uniform mat4 ViewMatrix;\n";
+	i_data += "uniform mat4 ModelMatrix;\n";
+	i_data += "uniform mat4 NormalViewMatrix;\n";
+	i_data += "uniform mat4 NormalModelMatrix;\n";
+	i_data += "uniform mat4 TextureMatrix;\n";
+
+	// light buffers
+	i_data += "#ifdef SHADER_STORAGE_LIGHTS\n";
+	i_data += "layout(std430, binding = 1) buffer LightBufferSSO\n";
+	i_data += "{\n";
+	i_data += "    vec4 lights[];\n";
+	i_data += "};\n";
+	i_data += "#elif defined NUM_UBO_LIGHTS\n";
+	i_data += "uniform LightBufferUBO\n";
+	i_data += "{\n";
+	i_data += "    vec4 lights[NUM_UBO_LIGHTS];\n";
+	i_data += "};\n";
+	i_data += "#endif\n";
+
+	// textures
+	i_data += "uniform sampler2D tex;\n";
+	i_data += "uniform sampler2D ShadowMap;\n";
+	i_data += "uniform sampler2D texture2;\n";
+	i_data += "uniform sampler2D texture3;\n";
+	i_data += "uniform sampler2D texture4;\n";
+	i_data += "uniform sampler2D texture5;\n";
+	i_data += "uniform sampler2D texture6;\n";
+
+	// timer data
+	i_data += "uniform float timer;\n"; // To do: we must search user shaders for this declaration and remove it
+
+	// material types
+	i_data += "#if defined(SPECULAR)\n";
+	i_data += "#define normaltexture texture2\n";
+	i_data += "#define speculartexture texture3\n";
+	i_data += "#define brighttexture texture4\n";
+	i_data += "#elif defined(PBR)\n";
+	i_data += "#define normaltexture texture2\n";
+	i_data += "#define metallictexture texture3\n";
+	i_data += "#define roughnesstexture texture4\n";
+	i_data += "#define aotexture texture5\n";
+	i_data += "#define brighttexture texture6\n";
+	i_data += "#else\n";
+	i_data += "#define brighttexture texture2\n";
+	i_data += "#endif\n";
+
+	i_data += "#line 1\n";
 
 	int vp_lump = Wads.CheckNumForFullName(vert_prog_lump, 0);
 	if (vp_lump == -1) I_Error("Unable to load '%s'", vert_prog_lump);
@@ -120,7 +228,7 @@ bool FShader::Load(const char * name, const char * vert_prog_lump, const char *
 		vp_comb << "#define SUPPORTS_SHADOWMAPS\n";
 	}
 
-	vp_comb << defines << i_data.GetString().GetChars();
+	vp_comb << defines << i_data.GetChars();
 	FString fp_comb = vp_comb;
 
 	vp_comb << vp_data.GetString().GetChars() << "\n";

wadsrc/static/shaders/glsl/burn.fp

@@ -1,5 +1,4 @@
-uniform sampler2D tex;
-uniform sampler2D texture2;
+
 in vec4 vTexCoord;
 in vec4 vColor;
 out vec4 FragColor;

wadsrc/static/shaders/glsl/func_brightmap.fp

@@ -1,13 +1,3 @@
-#if defined(SPECULAR)
-uniform sampler2D texture4;
-#define brighttexture texture4
-#elif defined(PBR)
-uniform sampler2D texture6;
-#define brighttexture texture6
-#else
-uniform sampler2D texture2;
-#define brighttexture texture2
-#endif
 
 vec4 ProcessTexel()
 {

wadsrc/static/shaders/glsl/func_warp1.fp

@@ -1,4 +1,3 @@
-uniform float timer;
 
 vec4 ProcessTexel()
 {

wadsrc/static/shaders/glsl/func_warp2.fp

@@ -1,4 +1,3 @@
-uniform float timer;
 
 vec4 ProcessTexel()
 {

wadsrc/static/shaders/glsl/func_warp3.fp

@@ -1,4 +1,3 @@
-uniform float timer;
 
 vec4 ProcessTexel()
 {

wadsrc/static/shaders/glsl/func_wavex.fp

@@ -1,4 +1,3 @@
-uniform float timer;
 
 vec4 ProcessTexel()
 {

wadsrc/static/shaders/glsl/fuzz_jagged.fp

@@ -1,5 +1,4 @@
 //created by Evil Space Tomato
-uniform float timer;
 
 vec4 ProcessTexel()
 {

wadsrc/static/shaders/glsl/fuzz_noise.fp

@@ -1,5 +1,4 @@
 //created by Evil Space Tomato
-uniform float timer;
 
 vec4 ProcessTexel()
 {

wadsrc/static/shaders/glsl/fuzz_smooth.fp

@@ -1,5 +1,4 @@
 //created by Evil Space Tomato
-uniform float timer;
 
 vec4 ProcessTexel()
 {

wadsrc/static/shaders/glsl/fuzz_smoothnoise.fp

@@ -1,5 +1,4 @@
 //created by Evil Space Tomato
-uniform float timer;
 
 vec4 ProcessTexel()
 {

wadsrc/static/shaders/glsl/fuzz_smoothtranslucent.fp

@@ -1,5 +1,4 @@
 //created by Evil Space Tomato
-uniform float timer;
 
 vec4 ProcessTexel()
 {

wadsrc/static/shaders/glsl/fuzz_software.fp

@@ -1,5 +1,4 @@
 // Fuzz effect as rendered by the software renderer
-uniform float timer;
 
 #define FUZZTABLE 50
 #define FUZZ_RANDOM_X_SIZE 100

wadsrc/static/shaders/glsl/fuzz_standard.fp

@@ -1,5 +1,4 @@
 //created by Evil Space Tomato
-uniform float timer;
 
 vec4 ProcessTexel()
 {

wadsrc/static/shaders/glsl/fuzz_swirly.fp

@@ -1,5 +1,4 @@
 //created by Evil Space Tomato
-uniform float timer;
 
 vec4 ProcessTexel()
 {

wadsrc/static/shaders/glsl/main.fp

@@ -12,38 +12,6 @@ out vec4 FragFog;
 out vec4 FragNormal;
 #endif
 
-#ifdef SHADER_STORAGE_LIGHTS
-	layout(std430, binding = 1) buffer LightBufferSSO
-	{
-		vec4 lights[];
-	};
-#elif defined NUM_UBO_LIGHTS
-	/*layout(std140)*/ uniform LightBufferUBO
-	{
-		vec4 lights[NUM_UBO_LIGHTS];
-	};
-#endif
-
-
-uniform sampler2D tex;
-uniform sampler2D ShadowMap;
-
-#if defined(SPECULAR)
-uniform sampler2D texture2;
-uniform sampler2D texture3;
-#define normaltexture texture2
-#define speculartexture texture3
-#elif defined(PBR)
-uniform sampler2D texture2;
-uniform sampler2D texture3;
-uniform sampler2D texture4;
-uniform sampler2D texture5;
-#define normaltexture texture2
-#define metallictexture texture3
-#define roughnesstexture texture4
-#define aotexture texture5
-#endif
-
 vec4 Process(vec4 color);
 vec4 ProcessTexel();
 vec4 ProcessLight(vec4 color);

wadsrc/static/shaders/glsl/shaderdefs.i

@@ -1,71 +0,0 @@
-// This file contains common data definitions for both vertex and fragment shader
-
-// these settings are actually pointless but there seem to be some old ATI drivers that fail to compile the shader without setting the precision here.
-precision highp int;
-precision highp float;
-
-uniform vec4 uCameraPos;
-uniform int uTextureMode;
-uniform float uClipHeight, uClipHeightDirection;
-uniform vec2 uClipSplit;
-uniform vec4 uClipLine;
-
-uniform float uAlphaThreshold;
-
-
-// colors
-uniform vec4 uObjectColor;
-uniform vec4 uObjectColor2;
-uniform vec4 uDynLightColor;
-uniform vec4 uFogColor;
-uniform float uDesaturationFactor;
-uniform float uInterpolationFactor;
-
-// Fixed colormap stuff
-uniform int uFixedColormap;				// 0, when no fixed colormap, 1 for a light value, 2 for a color blend, 3 for a fog layer
-uniform vec4 uFixedColormapStart;
-uniform vec4 uFixedColormapRange;
-
-// Glowing walls stuff
-uniform vec4 uGlowTopPlane;
-uniform vec4 uGlowTopColor;
-uniform vec4 uGlowBottomPlane;
-uniform vec4 uGlowBottomColor;
-
-uniform vec4 uSplitTopPlane;
-uniform vec4 uSplitBottomPlane;
-
-// Lighting + Fog
-uniform vec4 uLightAttr;
-#define uLightLevel uLightAttr.a
-#define uFogDensity uLightAttr.b
-#define uLightFactor uLightAttr.g
-#define uLightDist uLightAttr.r
-uniform int uFogEnabled;
-uniform int uPalLightLevels;
-uniform float uGlobVis; // uGlobVis = R_GetGlobVis(r_visibility) / 32.0
-
-// dynamic lights
-uniform int uLightIndex;
-
-// Software fuzz scaling
-uniform int uViewHeight;
-
-// Blinn glossiness and specular level
-uniform vec2 uSpecularMaterial;
-
-// quad drawer stuff
-#ifdef USE_QUAD_DRAWER
-uniform mat4 uQuadVertices;
-uniform mat4 uQuadTexCoords;
-uniform int uQuadMode;
-#endif
-
-// matrices
-uniform mat4 ProjectionMatrix;
-uniform mat4 ViewMatrix;
-uniform mat4 ModelMatrix;
-uniform mat4 NormalViewMatrix;
-uniform mat4 NormalModelMatrix;
-uniform mat4 TextureMatrix;
-