common: Define DP_STATIC_ASSERT which wraps static_assert

[xonotic/darkplaces.git] / shader_glsl.h

diff --git a/shader_glsl.h b/shader_glsl.h
index f9be074eff2c1031bcaa8483187d5b58171c45cf..5a4b224a2e88b31b1363444828ed5c824cb78317 100644 (file)
--- a/shader_glsl.h
+++ b/shader_glsl.h
@@ -1,5 +1,5 @@
 "// ambient+diffuse+specular+normalmap+attenuation+cubemap+fog shader\n",
-"// written by Forest 'LordHavoc' Hale\n",
+"// written by Ashley Rose Hale (LadyHavoc)\n",
 "// shadowmapping enhancements by Lee 'eihrul' Salzman\n",
 "\n",
 "#if defined(USESKELETAL) || defined(USEOCCLUDE)\n",
@@ -37,7 +37,8 @@
 "# endif\n",
 "#endif\n",
 "\n",
-"#if defined(GLSL120) || defined(GLSL130) || defined(GLSL140) || defined(GLES)\n"
+"#if (defined(GLSL120) || defined(GLSL130) || defined(GLSL140) || defined(GLES)) && defined(VERTEX_SHADER)\n",
+"\n",
 "invariant gl_Position; // fix for lighting polygons not matching base surface\n",
 "# endif\n",
 "#if defined(GLSL130) || defined(GLSL140)\n",
@@ -119,7 +120,7 @@
 "#if defined(MODE_LIGHTMAP) || defined(MODE_LIGHTDIRECTIONMAP_MODELSPACE) || defined(MODE_LIGHTDIRECTIONMAP_TANGENTSPACE) || defined(MODE_LIGHTDIRECTIONMAP_FORCED_LIGHTMAP)\n",
 "# define USELIGHTMAP\n",
 "#endif\n",
-"#if defined(USESPECULAR) || defined(USEOFFSETMAPPING) || defined(USEREFLECTCUBE) || defined(MODE_FAKELIGHT) || defined(USEFOG)\n",
+"#if defined(USESPECULAR) || defined(USEOFFSETMAPPING) || defined(USEREFLECTCUBE) || defined(USEFOG)\n",
 "# define USEEYEVECTOR\n",
 "#endif\n",
 "\n",
@@ -149,7 +150,7 @@
 "\n",
 "#ifdef VERTEX_SHADER\n",
 "#ifdef USETRIPPY\n",
-"// LordHavoc: based on shader code linked at: http://www.youtube.com/watch?v=JpksyojwqzE\n",
+"// LadyHavoc: based on shader code linked at: http://www.youtube.com/watch?v=JpksyojwqzE\n",
 "// tweaked scale\n",
 "uniform highp float ClientTime;\n",
 "vec4 TrippyVertex(vec4 position)\n",
@@ -246,6 +247,7 @@
 "uniform mediump vec4 UserVec2;\n",
 "// uniform mediump vec4 UserVec3;\n",
 "// uniform mediump vec4 UserVec4;\n",
+"uniform mediump float ColorFringe;\n",
 "// uniform highp float ClientTime;\n",
 "uniform mediump vec2 PixelSize;\n",
 "\n",
@@ -298,7 +300,15 @@
 "\n",
 "void main(void)\n",
 "{\n",
+"#ifdef USECOLORFRINGE\n",
+"      float fringe = ColorFringe;//.0033f;\n",
+"      float amount = distance(TexCoord1, vec2(.5f,.5f));\n",
+"      vec2 offset = vec2(amount*fringe,amount*fringe);\n",
+"      dp_FragColor.xy = dp_texture2D(Texture_First, TexCoord1-offset).xy;\n",
+"      dp_FragColor.z = dp_texture2D(Texture_First, TexCoord1+offset).z;\n",
+"#else\n",
 "      dp_FragColor = dp_texture2D(Texture_First, TexCoord1);\n",
+"#endif\n",
 "\n",
 "#ifdef USEFXAA\n",
 "      dp_FragColor = fxaa(dp_FragColor, 8.0); // 8.0 can be changed for larger span\n",
@@ -716,7 +726,7 @@
 "dp_varying highp vec4 EyeVectorFogDepth;\n",
 "#endif\n",
 "\n",
-"#if defined(MODE_LIGHTDIRECTIONMAP_MODELSPACE) || defined(MODE_DEFERREDGEOMETRY) || defined(USEREFLECTCUBE) || defined(USEBOUNCEGRIDDIRECTIONAL)\n",
+"#if defined(MODE_LIGHTDIRECTIONMAP_MODELSPACE) || defined(MODE_DEFERREDGEOMETRY) || defined(USEREFLECTCUBE) || defined(USEBOUNCEGRIDDIRECTIONAL) || defined(MODE_LIGHTGRID)\n",
 "dp_varying highp vec4 VectorS; // direction of S texcoord (sometimes crudely called tangent)\n",
 "dp_varying highp vec4 VectorT; // direction of T texcoord (sometimes crudely called binormal)\n",
 "dp_varying highp vec4 VectorR; // direction of R texcoord (surface normal)\n",
@@ -747,6 +757,9 @@
 "dp_varying highp vec3 ShadowMapTC;\n",
 "#endif\n",
 "\n",
+"#ifdef MODE_LIGHTGRID\n",
+"dp_varying highp vec3 LightGridTC;\n",
+"#endif\n",
 "#ifdef USEBOUNCEGRID\n",
 "dp_varying highp vec3 BounceGridTexCoord;\n",
 "#endif\n",
@@ -820,7 +833,7 @@
 "uniform highp float FogHeightFade;\n",
 "vec3 FogVertex(vec4 surfacecolor)\n",
 "{\n",
-"#if defined(MODE_LIGHTDIRECTIONMAP_MODELSPACE) || defined(MODE_DEFERREDGEOMETRY) || defined(USEREFLECTCUBE) || defined(USEBOUNCEGRIDDIRECTIONAL)\n",
+"#if defined(MODE_LIGHTDIRECTIONMAP_MODELSPACE) || defined(MODE_DEFERREDGEOMETRY) || defined(USEREFLECTCUBE) || defined(USEBOUNCEGRIDDIRECTIONAL) || defined(MODE_LIGHTGRID)\n",
 "      vec3 EyeVectorModelSpace = vec3(VectorS.w, VectorT.w, VectorR.w);\n",
 "#endif\n",
 "      float FogPlaneVertexDist = EyeVectorFogDepth.w;\n",
@@ -1277,6 +1290,9 @@
 "#ifdef USESHADOWMAPORTHO\n",
 "uniform highp mat4 ShadowMapMatrix;\n",
 "#endif\n",
+"#ifdef MODE_LIGHTGRID\n",
+"uniform highp mat4 LightGridMatrix;\n",
+"#endif\n",
 "#ifdef USEBOUNCEGRID\n",
 "uniform highp mat4 BounceGridMatrix;\n",
 "#endif\n",
@@ -1318,6 +1334,9 @@
 "      TexCoord2 = vec2(BackgroundTexMatrix * Attrib_TexCoord0);\n",
 "#endif\n",
 "\n",
+"#ifdef MODE_LIGHTGRID\n",
+"      LightGridTC = vec3(LightGridMatrix * Attrib_Position);\n",
+"#endif\n",
 "#ifdef USEBOUNCEGRID\n",
 "      BounceGridTexCoord = vec3(BounceGridMatrix * Attrib_Position);\n",
 "#ifdef USEBOUNCEGRIDDIRECTIONAL\n",
@@ -1361,7 +1380,7 @@
 "#endif\n",
 "\n",
 "\n",
-"#if defined(MODE_LIGHTDIRECTIONMAP_MODELSPACE) || defined(USEREFLECTCUBE) || defined(USEBOUNCEGRIDDIRECTIONAL)\n",
+"#if defined(MODE_LIGHTDIRECTIONMAP_MODELSPACE) || defined(USEREFLECTCUBE) || defined(USEBOUNCEGRIDDIRECTIONAL) || defined(MODE_LIGHTGRID)\n",
 "# ifdef USEFOG\n",
 "      VectorS = vec4(Attrib_TexCoord1.xyz, EyePosition.x - Attrib_Position.x);\n",
 "      VectorT = vec4(Attrib_TexCoord2.xyz, EyePosition.y - Attrib_Position.y);\n",
@@ -1421,11 +1440,9 @@
 "uniform sampler2D Texture_ReflectMask;\n",
 "uniform samplerCube Texture_ReflectCube;\n",
 "#endif\n",
-"#ifdef MODE_LIGHTDIRECTION\n",
-"uniform myhalf3 LightColor;\n",
-"#endif\n",
-"#ifdef MODE_LIGHTSOURCE\n",
-"uniform myhalf3 LightColor;\n",
+"#ifdef MODE_LIGHTGRID\n",
+"uniform sampler3D Texture_LightGrid;\n",
+"uniform mat3 LightGridNormalMatrix;\n",
 "#endif\n",
 "#ifdef USEBOUNCEGRID\n",
 "uniform sampler3D Texture_BounceGrid;\n",
@@ -1528,7 +1545,6 @@
 "#else\n",
 "      color.rgb = diffusetex * Color_Ambient;\n",
 "#endif\n",
-"      color.rgb *= LightColor;\n",
 "      color.rgb *= cast_myhalf(dp_texture2D(Texture_Attenuation, vec2(length(CubeVector), 0.0)));\n",
 "#if defined(USESHADOWMAP2D)\n",
 "      color.rgb *= ShadowMapCompare(CubeVector);\n",
@@ -1541,12 +1557,40 @@
 "\n",
 "\n",
 "\n",
+"#ifdef MODE_LIGHTGRID\n",
+"      // clamp the LightGrid TC Z coordinate to the first of the 3 layers, to\n",
+"      // prevent repeat-artifacts for lightgrids smaller than the visible scene\n",
+"      // (which is often the case - the lightgrid bounds is defined by the level\n",
+"      // designer and usually matches the playable area, not the scenery around\n",
+"      // it), we can rely on GL_CLAMP_TO_EDGE for this in all other directions.\n",
+"      vec3 LGTC = vec3(LightGridTC.xy, min(LightGridTC.z, 0.333333));\n",
+"      myhalf3 ambientcolor = cast_myhalf3(dp_texture2D(Texture_LightGrid, LGTC));\n",
+"      myhalf3 lightcolor = cast_myhalf3(dp_texture2D(Texture_LightGrid, LGTC + vec3(0, 0, 0.333333)));\n",
+"      myhalf3 lightnormal_worldspace = cast_myhalf3(dp_texture2D(Texture_LightGrid, LGTC + vec3(0, 0, 0.6666667))) * 2.0 + cast_myhalf3(-1.0, -1.0, -1.0);\n",
+"      myhalf3 lightnormal_modelspace = cast_myhalf3(lightnormal_worldspace * LightGridNormalMatrix);\n",
+"      // convert modelspace light vector to tangentspace\n",
+"      myhalf3 lightnormal;\n",
+"      lightnormal.x = dot(lightnormal_modelspace, cast_myhalf3(VectorS));\n",
+"      lightnormal.y = dot(lightnormal_modelspace, cast_myhalf3(VectorT));\n",
+"      lightnormal.z = dot(lightnormal_modelspace, cast_myhalf3(VectorR));\n",
+"      lightnormal = normalize(lightnormal); // VectorS/T/R are not always perfectly normalized, and EXACTSPECULARMATH is very picky about this\n",
+"      // now we have the light parameters, so do the shading...\n",
+"SHADEDIFFUSE\n",
+"      color.rgb = diffusetex * (Color_Ambient + Color_Diffuse * (ambientcolor + diffuse * lightcolor));\n",
+"#ifdef USESPECULAR\n",
+"SHADESPECULAR(SpecularPower * glosstex.a)\n",
+"      color.rgb += glosstex.rgb * (specular * Color_Specular * lightcolor);\n",
+"#endif\n",
+"#endif\n",
+"\n",
+"\n",
+"\n",
 "#ifdef MODE_LIGHTDIRECTION\n",
 "      #define SHADING\n",
 "      #ifdef USEDIFFUSE\n",
 "              myhalf3 lightnormal = cast_myhalf3(normalize(LightVector));\n",
 "      #endif\n",
-"      #define lightcolor LightColor\n",
+"      #define lightcolor 1\n",
 "#endif // MODE_LIGHTDIRECTION\n",
 "#ifdef MODE_LIGHTDIRECTIONMAP_MODELSPACE\n",
 "   #define SHADING\n",
@@ -1586,11 +1630,6 @@
 "              myhalf3 lightcolor = cast_myhalf3(VertexColor.rgb);\n",
 "   #endif\n",
 "#endif\n",
-"#ifdef MODE_FAKELIGHT\n",
-"      #define SHADING\n",
-"      myhalf3 lightnormal = cast_myhalf3(normalize(EyeVectorFogDepth.xyz));\n",
-"      myhalf3 lightcolor = cast_myhalf3(1.0);\n",
-"#endif // MODE_FAKELIGHT\n",
 "\n",
 "\n",
 "\n",