add TODO markers, possibly for WIP3 version of V_CalcRefdef extension

[xonotic/darkplaces.git] / shader_glsl.h

diff --git a/shader_glsl.h b/shader_glsl.h
index c133ba280471c088e5831bea5c5aae3fea232a1e..f968e3eb852a5f4fc4dcf3718f7c012b190c0765 100644 (file)
--- a/shader_glsl.h
+++ b/shader_glsl.h
@@ -416,6 +416,9 @@
 "\n"
 "void main(void)\n"
 "{\n"
+"#ifdef USEALPHAGENVERTEX\n"
+"      VertexColor = Attrib_Color;\n"
+"#endif\n"
 "      TexCoord = vec2(TexMatrix * Attrib_TexCoord0);\n"
 "      gl_Position = ModelViewProjectionMatrix * Attrib_Position;\n"
 "      ModelViewProjectionPosition = gl_Position;\n"
@@ -444,12 +447,19 @@
 "      vec2 ScreenScaleRefractReflectIW = ScreenScaleRefractReflect.xy * (1.0 / ModelViewProjectionPosition.w);\n"
 "      //vec2 ScreenTexCoord = (ModelViewProjectionPosition.xy + normalize(vec3(dp_texture2D(Texture_Normal, TexCoord)) - vec3(0.5)).xy * DistortScaleRefractReflect.xy * 100) * ScreenScaleRefractReflectIW + ScreenCenterRefractReflect.xy;\n"
 "      vec2 SafeScreenTexCoord = ModelViewProjectionPosition.xy * ScreenScaleRefractReflectIW + ScreenCenterRefractReflect.xy;\n"
+"#ifdef USEALPHAGENVERTEX\n"
+"      vec2 distort = DistortScaleRefractReflect.xy * VertexColor.a;\n"
+"      vec4 refractcolor = mix(RefractColor, vec4(1.0, 1.0, 1.0, 1.0), VertexColor.a);\n"
+"#else\n"
+"      vec2 distort = DistortScaleRefractReflect.xy;\n"
+"      vec4 refractcolor = RefractColor;\n"
+"#endif\n"
 "      #ifdef USENORMALMAPSCROLLBLEND\n"
 "              vec3 normal = dp_texture2D(Texture_Normal, (TexCoord + vec2(0.08, 0.08)*ClientTime*NormalmapScrollBlend.x*0.5)*NormalmapScrollBlend.y).rgb - vec3(1.0);\n"
 "              normal += dp_texture2D(Texture_Normal, (TexCoord + vec2(-0.06, -0.09)*ClientTime*NormalmapScrollBlend.x)*NormalmapScrollBlend.y*0.75).rgb;\n"
-"              vec2 ScreenTexCoord = SafeScreenTexCoord + vec3(normalize(cast_myhalf3(normal))).xy * DistortScaleRefractReflect.xy;\n"
+"              vec2 ScreenTexCoord = SafeScreenTexCoord + vec3(normalize(cast_myhalf3(normal))).xy * distort;\n"
 "      #else\n"
-"              vec2 ScreenTexCoord = SafeScreenTexCoord + vec3(normalize(cast_myhalf3(dp_texture2D(Texture_Normal, TexCoord)) - cast_myhalf3(0.5))).xy * DistortScaleRefractReflect.xy;\n"
+"              vec2 ScreenTexCoord = SafeScreenTexCoord + vec3(normalize(cast_myhalf3(dp_texture2D(Texture_Normal, TexCoord)) - cast_myhalf3(0.5))).xy * distort;\n"
 "      #endif\n"
 "      // FIXME temporary hack to detect the case that the reflection\n"
 "      // gets blackened at edges due to leaving the area that contains actual\n"
@@ -461,7 +471,7 @@
 "      f      *= min(1.0, length(dp_texture2D(Texture_Refraction, ScreenTexCoord + vec2(-0.01, 0.01)).rgb) / 0.05);\n"
 "      f      *= min(1.0, length(dp_texture2D(Texture_Refraction, ScreenTexCoord + vec2(-0.01, -0.01)).rgb) / 0.05);\n"
 "      ScreenTexCoord = mix(SafeScreenTexCoord, ScreenTexCoord, f);\n"
-"      dp_FragColor = vec4(dp_texture2D(Texture_Refraction, ScreenTexCoord).rgb, 1.0) * RefractColor;\n"
+"      dp_FragColor = vec4(dp_texture2D(Texture_Refraction, ScreenTexCoord).rgb, 1.0) * refractcolor;\n"
 "}\n"
 "#endif\n"
 "#else // !MODE_REFRACTION\n"
@@ -479,6 +489,9 @@
 "\n"
 "void main(void)\n"
 "{\n"
+"#ifdef USEALPHAGENVERTEX\n"
+"      VertexColor = Attrib_Color;\n"
+"#endif\n"
 "      TexCoord = vec2(TexMatrix * Attrib_TexCoord0);\n"
 "      vec3 EyeRelative = EyePosition - Attrib_Position.xyz;\n"
 "      EyeVector.x = dot(EyeRelative, Attrib_TexCoord1.xyz);\n"
@@ -516,12 +529,23 @@
 "      vec4 SafeScreenTexCoord = ModelViewProjectionPosition.xyxy * ScreenScaleRefractReflectIW + ScreenCenterRefractReflect;\n"
 "      //SafeScreenTexCoord = gl_FragCoord.xyxy * vec4(1.0 / 1920.0, 1.0 / 1200.0, 1.0 / 1920.0, 1.0 / 1200.0);\n"
 "      // slight water animation via 2 layer scrolling (todo: tweak)\n"
+"#ifdef USEALPHAGENVERTEX\n"
+"      vec4 distort = DistortScaleRefractReflect * VertexColor.a;\n"
+"      float reflectoffset = ReflectOffset * VertexColor.a;\n"
+"      float reflectfactor = ReflectFactor * VertexColor.a;\n"
+"      vec4 refractcolor = mix(RefractColor, vec4(1.0, 1.0, 1.0, 1.0), VertexColor.a);\n"
+"#else\n"
+"      vec4 distort = DistortScaleRefractReflect;\n"
+"      float reflectoffset = ReflectOffset;\n"
+"      float reflectfactor = ReflectFactor;\n"
+"      vec4 refractcolor = RefractColor;\n"
+"#endif\n"
 "      #ifdef USENORMALMAPSCROLLBLEND\n"
 "              vec3 normal = dp_texture2D(Texture_Normal, (TexCoord + vec2(0.08, 0.08)*ClientTime*NormalmapScrollBlend.x*0.5)*NormalmapScrollBlend.y).rgb - vec3(1.0);\n"
 "              normal += dp_texture2D(Texture_Normal, (TexCoord + vec2(-0.06, -0.09)*ClientTime*NormalmapScrollBlend.x)*NormalmapScrollBlend.y*0.75).rgb;\n"
-"              vec4 ScreenTexCoord = SafeScreenTexCoord + vec2(normalize(normal) + vec3(0.15)).xyxy * DistortScaleRefractReflect;\n"
+"              vec4 ScreenTexCoord = SafeScreenTexCoord + vec2(normalize(normal) + vec3(0.15)).xyxy * distort;\n"
 "      #else\n"
-"              vec4 ScreenTexCoord = SafeScreenTexCoord + vec2(normalize(vec3(dp_texture2D(Texture_Normal, TexCoord)) - vec3(0.5))).xyxy * DistortScaleRefractReflect;\n"
+"              vec4 ScreenTexCoord = SafeScreenTexCoord + vec2(normalize(vec3(dp_texture2D(Texture_Normal, TexCoord)) - vec3(0.5))).xyxy * distort;\n"
 "      #endif\n"
 "      // FIXME temporary hack to detect the case that the reflection\n"
 "      // gets blackened at edges due to leaving the area that contains actual\n"
@@ -538,8 +562,8 @@
 "      f *= min(1.0, length(dp_texture2D(Texture_Reflection, ScreenTexCoord.zw + vec2(-0.005, 0.005)).rgb) / 0.002);\n"
 "      f *= min(1.0, length(dp_texture2D(Texture_Reflection, ScreenTexCoord.zw + vec2(-0.005, -0.005)).rgb) / 0.002);\n"
 "      ScreenTexCoord.zw = mix(SafeScreenTexCoord.zw, ScreenTexCoord.zw, f);\n"
-"      float Fresnel = pow(min(1.0, 1.0 - float(normalize(EyeVector).z)), 2.0) * ReflectFactor + ReflectOffset;\n"
-"      dp_FragColor = mix(vec4(dp_texture2D(Texture_Refraction, ScreenTexCoord.xy).rgb, 1) * RefractColor, vec4(dp_texture2D(Texture_Reflection, ScreenTexCoord.zw).rgb, 1) * ReflectColor, Fresnel);\n"
+"      float Fresnel = pow(min(1.0, 1.0 - float(normalize(EyeVector).z)), 2.0) * reflectfactor + reflectoffset;\n"
+"      dp_FragColor = mix(vec4(dp_texture2D(Texture_Refraction, ScreenTexCoord.xy).rgb, 1) * refractcolor, vec4(dp_texture2D(Texture_Reflection, ScreenTexCoord.zw).rgb, 1) * ReflectColor, Fresnel);\n"
 "}\n"
 "#endif\n"
 "#else // !MODE_WATER\n"
@@ -769,11 +793,11 @@
 "{\n"
 "      vec3 adir = abs(dir);\n"
 "      float m = max(max(adir.x, adir.y), adir.z);\n"
-"      vec2 mparams = ShadowMap_Parameters.xy / m;\n"
 "      vec4 proj = dp_textureCube(Texture_CubeProjection, dir);\n"
 "#ifdef USEDEPTHRGB\n"
-"      return vec3(mix(dir.xy, dir.zz, proj.xy) * mparams.x + proj.zw * ShadowMap_Parameters.z, m + 64 * ShadowMap_Parameters.w);\n"
+"      return vec3(mix(dir.xy, dir.zz, proj.xy) * (ShadowMap_Parameters.x / m) +  proj.zw * ShadowMap_Parameters.z, m + 64.0 * ShadowMap_Parameters.w);\n"
 "#else\n"
+"      vec2 mparams = ShadowMap_Parameters.xy / m;\n"
 "      return vec3(mix(dir.xy, dir.zz, proj.xy) * mparams.x + proj.zw * ShadowMap_Parameters.z, mparams.y + ShadowMap_Parameters.w);\n"
 "#endif\n"
 "}\n"
@@ -785,7 +809,7 @@
 "      if (adir.x > adir.y) { m = adir.x; proj = vec4(dir.zyx, 0.5); } else { m = adir.y; proj = vec4(dir.xzy, 1.5); }\n"
 "      if (adir.z > m) { m = adir.z; proj = vec4(dir, 2.5); }\n"
 "#ifdef USEDEPTHRGB\n"
-"      return vec3(proj.xy * ShadowMap_Parameters.x / m + vec2(0.5,0.5) + vec2(proj.z < 0.0 ? 1.5 : 0.5, proj.w) * ShadowMap_Parameters.z, m + 64 * ShadowMap_Parameters.w);\n"
+"      return vec3(proj.xy * (ShadowMap_Parameters.x / m) + vec2(0.5,0.5) + vec2(proj.z < 0.0 ? 1.5 : 0.5, proj.w) * ShadowMap_Parameters.z, m + 64.0 * ShadowMap_Parameters.w);\n"
 "#else\n"
 "      vec2 mparams = ShadowMap_Parameters.xy / m;\n"
 "      return vec3(proj.xy * mparams.x + vec2(proj.z < 0.0 ? 1.5 : 0.5, proj.w) * ShadowMap_Parameters.z, mparams.y + ShadowMap_Parameters.w);\n"
@@ -1096,7 +1120,7 @@
 "#endif\n"
 "void main(void)\n"
 "{\n"
-"#if defined(MODE_VERTEXCOLOR) || defined(USEVERTEXTEXTUREBLEND) || defined(MODE_LIGHTDIRECTIONMAP_FORCED_VERTEXCOLOR)\n"
+"#if defined(MODE_VERTEXCOLOR) || defined(USEVERTEXTEXTUREBLEND) || defined(MODE_LIGHTDIRECTIONMAP_FORCED_VERTEXCOLOR) || defined(USEALPHAGENVERTEX)\n"
 "      VertexColor = Attrib_Color;\n"
 "#endif\n"
 "      // copy the surface texcoord\n"
@@ -1265,6 +1289,9 @@
 "      color.a = 1.0;\n"
 "      //color = mix(cast_myhalf4(1, 0, 0, 1), color, terrainblend);\n"
 "#endif\n"
+"#ifdef USEALPHAGENVERTEX\n"
+"      color.a *= VertexColor.a;\n"
+"#endif\n"
 "\n"
 "      // get the surface normal\n"
 "#ifdef USEVERTEXTEXTUREBLEND\n"