Updated built-in shaders from OpenSceneGraph-Data vesion that introduce #pragma(tic) shaders that resolve the NVidia loop iteration bug.
git-svn-id: http://svn.openscenegraph.org/osg/OpenSceneGraph/trunk@15083 16af8721-9629-0410-8352-f15c8da7e697
This commit is contained in:
Robert Osfield
parent
a2013caa47
commit
8ebe075722
@ -1,4 +1,15 @@
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char volume_frag[] = "uniform sampler3D baseTexture;\n"
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char volume_frag[] = "#version 110\n"
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"\n"
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"##pragma import_defines(NVIDIA_Corporation)\n"
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"\n"
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"#if defined(NVIDIA_Corporation)\n"
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" // workaround a NVidia hang when the loop variable is a float, but works fine when it's an int\n"
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" #define loop_type int\n"
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"#else\n"
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" #define loop_type float\n"
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"#endif\n"
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"\n"
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"uniform sampler3D baseTexture;\n"
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"uniform float SampleDensityValue;\n"
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"uniform float TransparencyValue;\n"
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"uniform float AlphaFuncValue;\n"
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@ -10,6 +21,7 @@ char volume_frag[] = "uniform sampler3D baseTexture;\n"
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"\n"
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"void main(void)\n"
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"{\n"
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"\n"
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" vec4 t0 = vertexPos;\n"
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" vec4 te = cameraPos;\n"
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"\n"
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@ -61,16 +73,16 @@ char volume_frag[] = "uniform sampler3D baseTexture;\n"
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" t0 = t0 * texgen;\n"
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" te = te * texgen;\n"
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"\n"
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" const int max_iteratrions = 2048;\n"
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" int num_iterations = ceil(length((te-t0).xyz)/SampleDensityValue);\n"
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" if (num_iterations<2) num_iterations = 2;\n"
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" const loop_type max_iteratrions = loop_type(2048);\n"
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" loop_type num_iterations = loop_type(ceil(length((te-t0).xyz)/SampleDensityValue));\n"
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" if (num_iterations<loop_type(2)) num_iterations = loop_type(2);\n"
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" if (num_iterations>max_iteratrions) num_iterations = max_iteratrions;\n"
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"\n"
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" vec3 deltaTexCoord=(te-t0).xyz/float(num_iterations-1);\n"
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" vec3 deltaTexCoord=(te-t0).xyz/float(num_iterations-loop_type(1));\n"
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" vec3 texcoord = t0.xyz;\n"
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"\n"
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" vec4 fragColor = vec4(0.0, 0.0, 0.0, 0.0);\n"
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" while(num_iterations>0)\n"
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" while(num_iterations>loop_type(0))\n"
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" {\n"
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" vec4 color = texture3D( baseTexture, texcoord);\n"
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" float r = color[3]*TransparencyValue;\n"
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@ -1,4 +1,15 @@
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char volume_iso_frag[] = "uniform sampler3D baseTexture;\n"
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char volume_iso_frag[] = "#version 110\n"
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"\n"
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"##pragma import_defines(NVIDIA_Corporation)\n"
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"\n"
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"#if defined(NVIDIA_Corporation)\n"
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" // workaround a NVidia hang when the loop variable is a float, but works fine when it's an int\n"
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" #define loop_type int\n"
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"#else\n"
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" #define loop_type float\n"
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"#endif\n"
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"\n"
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"uniform sampler3D baseTexture;\n"
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"uniform float SampleDensityValue;\n"
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"uniform float TransparencyValue;\n"
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"uniform float IsoSurfaceValue;\n"
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@ -62,23 +73,23 @@ char volume_iso_frag[] = "uniform sampler3D baseTexture;\n"
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" t0 = t0 * texgen;\n"
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" te = te * texgen;\n"
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"\n"
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" const int max_iteratrions = 2048;\n"
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" int num_iterations = ceil(length((te-t0).xyz)/SampleDensityValue);\n"
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" if (num_iterations<2) num_iterations = 2;\n"
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" const loop_type max_iteratrions = loop_type(2048);\n"
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" loop_type num_iterations = loop_type(ceil(length((te-t0).xyz)/SampleDensityValue));\n"
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" if (num_iterations<loop_type(2)) num_iterations = loop_type(2);\n"
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" if (num_iterations>max_iteratrions) num_iterations = max_iteratrions;\n"
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"\n"
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"\n"
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" vec3 deltaTexCoord=(t0-te).xyz/float(num_iterations-1);\n"
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" vec3 deltaTexCoord=(t0-te).xyz/float(num_iterations-loop_type(1));\n"
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" vec3 texcoord = te.xyz;\n"
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"\n"
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" vec4 previousColor = texture3D( baseTexture, texcoord);\n"
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" \n"
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"\n"
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" float normalSampleDistance = 1.0/512.0;\n"
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" vec3 deltaX = vec3(normalSampleDistance, 0.0, 0.0);\n"
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" vec3 deltaY = vec3(0.0, normalSampleDistance, 0.0);\n"
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" vec3 deltaZ = vec3(0.0, 0.0, normalSampleDistance);\n"
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" \n"
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" while(num_iterations>0)\n"
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"\n"
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" while(num_iterations>loop_type(0))\n"
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" {\n"
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" vec4 color = texture3D( baseTexture, texcoord);\n"
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"\n"
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@ -87,7 +98,7 @@ char volume_iso_frag[] = "uniform sampler3D baseTexture;\n"
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" {\n"
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" float r = (IsoSurfaceValue-color.a)/(previousColor.a-color.a);\n"
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" texcoord = texcoord - r*deltaTexCoord;\n"
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" \n"
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"\n"
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" float a = color.a;\n"
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" float px = texture3D( baseTexture, texcoord + deltaX).a;\n"
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" float py = texture3D( baseTexture, texcoord + deltaY).a;\n"
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@ -96,7 +107,7 @@ char volume_iso_frag[] = "uniform sampler3D baseTexture;\n"
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" float nx = texture3D( baseTexture, texcoord - deltaX).a;\n"
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" float ny = texture3D( baseTexture, texcoord - deltaY).a;\n"
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" float nz = texture3D( baseTexture, texcoord - deltaZ).a;\n"
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" \n"
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"\n"
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" vec3 grad = vec3(px-nx, py-ny, pz-nz);\n"
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" if (grad.x!=0.0 || grad.y!=0.0 || grad.z!=0.0)\n"
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" {\n"
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@ -114,13 +125,13 @@ char volume_iso_frag[] = "uniform sampler3D baseTexture;\n"
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" color *= baseColor;\n"
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"\n"
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" gl_FragColor = color;\n"
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" \n"
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"\n"
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" return;\n"
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" }\n"
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" \n"
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"\n"
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" previousColor = color;\n"
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" \n"
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" texcoord += deltaTexCoord; \n"
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"\n"
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" texcoord += deltaTexCoord;\n"
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"\n"
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" --num_iterations;\n"
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" }\n"
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@ -1,4 +1,15 @@
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char volume_lit_frag[] = "uniform sampler3D baseTexture;\n"
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char volume_lit_frag[] = "#version 110\n"
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"\n"
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"##pragma import_defines(NVIDIA_Corporation)\n"
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"\n"
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"#if defined(NVIDIA_Corporation)\n"
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" // workaround a NVidia hang when the loop variable is a float, but works fine when it's an int\n"
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" #define loop_type int\n"
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"#else\n"
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" #define loop_type float\n"
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"#endif\n"
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"\n"
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"uniform sampler3D baseTexture;\n"
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"uniform float SampleDensityValue;\n"
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"uniform float TransparencyValue;\n"
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"uniform float AlphaFuncValue;\n"
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@ -62,12 +73,12 @@ char volume_lit_frag[] = "uniform sampler3D baseTexture;\n"
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" t0 = t0 * texgen;\n"
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" te = te * texgen;\n"
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"\n"
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" const int max_iteratrions = 2048;\n"
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" int num_iterations = ceil(length((te-t0).xyz)/SampleDensityValue);\n"
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" if (num_iterations<2) num_iterations = 2;\n"
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" const loop_type max_iteratrions = loop_type(2048);\n"
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" loop_type num_iterations = loop_type(ceil(length((te-t0).xyz)/SampleDensityValue));\n"
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" if (num_iterations<loop_type(2)) num_iterations = loop_type(2);\n"
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" if (num_iterations>max_iteratrions) num_iterations = max_iteratrions;\n"
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"\n"
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" vec3 deltaTexCoord=(te-t0).xyz/float(num_iterations-1);\n"
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" vec3 deltaTexCoord=(te-t0).xyz/float(num_iterations-loop_type(1));\n"
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" vec3 texcoord = t0.xyz;\n"
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"\n"
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" float normalSampleDistance = 1.0/512.0;\n"
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@ -75,8 +86,8 @@ char volume_lit_frag[] = "uniform sampler3D baseTexture;\n"
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" vec3 deltaY = vec3(0.0, normalSampleDistance, 0.0);\n"
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" vec3 deltaZ = vec3(0.0, 0.0, normalSampleDistance);\n"
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"\n"
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" vec4 fragColor = vec4(0.0, 0.0, 0.0, 0.0); \n"
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" while(num_iterations>0)\n"
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" vec4 fragColor = vec4(0.0, 0.0, 0.0, 0.0);\n"
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" while(num_iterations>loop_type(0))\n"
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" {\n"
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" vec4 color = texture3D( baseTexture, texcoord);\n"
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"\n"
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@ -1,4 +1,15 @@
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char volume_lit_tf_frag[] = "uniform sampler3D baseTexture;\n"
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char volume_lit_tf_frag[] = "#version 110\n"
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"\n"
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"##pragma import_defines(NVIDIA_Corporation)\n"
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"\n"
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"#if defined(NVIDIA_Corporation)\n"
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" // workaround a NVidia hang when the loop variable is a float, but works fine when it's an int\n"
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" #define loop_type int\n"
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"#else\n"
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" #define loop_type float\n"
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"#endif\n"
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"\n"
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"uniform sampler3D baseTexture;\n"
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"\n"
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"uniform sampler1D tfTexture;\n"
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"uniform float tfScale;\n"
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@ -69,12 +80,12 @@ char volume_lit_tf_frag[] = "uniform sampler3D baseTexture;\n"
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"\n"
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" vec3 eyeDirection = normalize((te-t0).xyz);\n"
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"\n"
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" const int max_iteratrions = 2048;\n"
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" int num_iterations = ceil(length((te-t0).xyz)/SampleDensityValue);\n"
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" if (num_iterations<2) num_iterations = 2;\n"
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" const loop_type max_iteratrions = loop_type(2048);\n"
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" loop_type num_iterations = loop_type(ceil(length((te-t0).xyz)/SampleDensityValue));\n"
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" if (num_iterations<loop_type(2)) num_iterations = loop_type(2);\n"
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" if (num_iterations>max_iteratrions) num_iterations = max_iteratrions;\n"
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"\n"
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" vec3 deltaTexCoord=(te-t0).xyz/float(num_iterations-1);\n"
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" vec3 deltaTexCoord=(te-t0).xyz/float(num_iterations-loop_type(1));\n"
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" vec3 texcoord = t0.xyz;\n"
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"\n"
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" float normalSampleDistance = 1.0/512.0;\n"
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@ -82,8 +93,8 @@ char volume_lit_tf_frag[] = "uniform sampler3D baseTexture;\n"
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" vec3 deltaY = vec3(0.0, normalSampleDistance, 0.0);\n"
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" vec3 deltaZ = vec3(0.0, 0.0, normalSampleDistance);\n"
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"\n"
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" vec4 fragColor = vec4(0.0, 0.0, 0.0, 0.0); \n"
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" while(num_iterations>0)\n"
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" vec4 fragColor = vec4(0.0, 0.0, 0.0, 0.0);\n"
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" while(num_iterations>loop_type(0))\n"
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" {\n"
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" float v = texture3D( baseTexture, texcoord).a * tfScale + tfOffset;\n"
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" vec4 color = texture1D( tfTexture, v);\n"
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@ -126,9 +137,9 @@ char volume_lit_tf_frag[] = "uniform sampler3D baseTexture;\n"
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"\n"
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" fragColor.w *= TransparencyValue;\n"
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"\n"
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" if (fragColor.w>1.0) fragColor.w = 1.0; \n"
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" if (fragColor.w>1.0) fragColor.w = 1.0;\n"
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" if (fragColor.w<AlphaFuncValue) discard;\n"
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" \n"
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"\n"
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" gl_FragColor = fragColor;\n"
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"}\n"
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"\n";
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@ -1,4 +1,15 @@
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char volume_mip_frag[] = "uniform sampler3D baseTexture;\n"
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char volume_mip_frag[] = "#version 110\n"
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"\n"
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"##pragma import_defines(NVIDIA_Corporation)\n"
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"\n"
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"#if defined(NVIDIA_Corporation)\n"
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" // workaround a NVidia hang when the loop variable is a float, but works fine when it's an int\n"
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" #define loop_type int\n"
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"#else\n"
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" #define loop_type float\n"
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"#endif\n"
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"\n"
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"uniform sampler3D baseTexture;\n"
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"uniform float SampleDensityValue;\n"
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"uniform float TransparencyValue;\n"
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"uniform float AlphaFuncValue;\n"
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@ -61,16 +72,16 @@ char volume_mip_frag[] = "uniform sampler3D baseTexture;\n"
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" t0 = t0 * texgen;\n"
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" te = te * texgen;\n"
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"\n"
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" const int max_iteratrions = 2048;\n"
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" int num_iterations = ceil(length((te-t0).xyz)/SampleDensityValue);\n"
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" if (num_iterations<2) num_iterations = 2;\n"
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" const loop_type max_iteratrions = loop_type(2048);\n"
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" loop_type num_iterations = loop_type(ceil(length((te-t0).xyz)/SampleDensityValue));\n"
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" if (num_iterations<loop_type(2)) num_iterations = loop_type(2);\n"
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" if (num_iterations>max_iteratrions) num_iterations = max_iteratrions;\n"
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"\n"
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" vec3 deltaTexCoord=(te-t0).xyz/float(num_iterations-1);\n"
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" vec3 deltaTexCoord=(te-t0).xyz/float(num_iterations-loop_type(1));\n"
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" vec3 texcoord = t0.xyz;\n"
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"\n"
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" vec4 fragColor = vec4(0.0, 0.0, 0.0, 0.0);\n"
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" while(num_iterations>0)\n"
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" while(num_iterations>loop_type(0))\n"
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" {\n"
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" vec4 color = texture3D( baseTexture, texcoord);\n"
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" if (fragColor.w<color.w)\n"
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char volume_tf_frag[] = "uniform sampler3D baseTexture;\n"
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char volume_tf_frag[] = "#version 110\n"
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"\n"
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"##pragma import_defines(NVIDIA_Corporation)\n"
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"\n"
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"#if defined(NVIDIA_Corporation)\n"
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" // workaround a NVidia hang when the loop variable is a float, but works fine when it's an int\n"
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" #define loop_type int\n"
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"#else\n"
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" #define loop_type float\n"
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"#endif\n"
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"\n"
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"uniform sampler3D baseTexture;\n"
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"\n"
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"uniform sampler1D tfTexture;\n"
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"uniform float tfScale;\n"
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@ -66,16 +77,16 @@ char volume_tf_frag[] = "uniform sampler3D baseTexture;\n"
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" t0 = t0 * texgen;\n"
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" te = te * texgen;\n"
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"\n"
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" const int max_iteratrions = 2048;\n"
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" int num_iterations = ceil(length((te-t0).xyz)/SampleDensityValue);\n"
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" if (num_iterations<2) num_iterations = 2;\n"
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" const loop_type max_iteratrions = loop_type(2048);\n"
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" loop_type num_iterations = loop_type(ceil(length((te-t0).xyz)/SampleDensityValue));\n"
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" if (num_iterations<loop_type(2)) num_iterations = loop_type(2);\n"
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" if (num_iterations>max_iteratrions) num_iterations = max_iteratrions;\n"
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"\n"
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" vec3 deltaTexCoord=(te-t0).xyz/float(num_iterations-1);\n"
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" vec3 deltaTexCoord=(te-t0).xyz/float(num_iterations-loop_type(1));\n"
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" vec3 texcoord = t0.xyz;\n"
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"\n"
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" vec4 fragColor = vec4(0.0, 0.0, 0.0, 0.0);\n"
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" while(num_iterations>0)\n"
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" while(num_iterations>loop_type(0))\n"
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" {\n"
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" float v = texture3D( baseTexture, texcoord).a * tfScale + tfOffset;\n"
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" vec4 color = texture1D( tfTexture, v);\n"
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char volume_tf_iso_frag[] = "uniform sampler3D baseTexture;\n"
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char volume_tf_iso_frag[] = "#version 110\n"
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"\n"
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"##pragma import_defines(NVIDIA_Corporation)\n"
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"\n"
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"#if defined(NVIDIA_Corporation)\n"
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" // workaround a NVidia hang when the loop variable is a float, but works fine when it's an int\n"
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" #define loop_type int\n"
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"#else\n"
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" #define loop_type float\n"
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"#endif\n"
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"\n"
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"uniform sampler3D baseTexture;\n"
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"\n"
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"uniform sampler1D tfTexture;\n"
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"uniform float tfScale;\n"
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@ -67,13 +78,13 @@ char volume_tf_iso_frag[] = "uniform sampler3D baseTexture;\n"
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" t0 = t0 * texgen;\n"
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" te = te * texgen;\n"
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"\n"
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" const int max_iteratrions = 2048;\n"
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" int num_iterations = ceil(length((te-t0).xyz)/SampleDensityValue);\n"
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" if (num_iterations<2) num_iterations = 2;\n"
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" const loop_type max_iteratrions = loop_type(2048);\n"
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" loop_type num_iterations = loop_type(ceil(length((te-t0).xyz)/SampleDensityValue));\n"
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" if (num_iterations<loop_type(2)) num_iterations = loop_type(2);\n"
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" if (num_iterations>max_iteratrions) num_iterations = max_iteratrions;\n"
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"\n"
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"\n"
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" vec3 deltaTexCoord=(t0-te).xyz/float(num_iterations-1);\n"
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" vec3 deltaTexCoord=(t0-te).xyz/float(num_iterations-loop_type(1));\n"
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" vec3 texcoord = te.xyz;\n"
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" float previousV = texture3D( baseTexture, texcoord).a;\n"
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"\n"
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@ -81,8 +92,8 @@ char volume_tf_iso_frag[] = "uniform sampler3D baseTexture;\n"
|
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" vec3 deltaX = vec3(normalSampleDistance, 0.0, 0.0);\n"
|
||||
" vec3 deltaY = vec3(0.0, normalSampleDistance, 0.0);\n"
|
||||
" vec3 deltaZ = vec3(0.0, 0.0, normalSampleDistance);\n"
|
||||
" \n"
|
||||
" while(num_iterations>0)\n"
|
||||
"\n"
|
||||
" while(num_iterations>loop_type(0))\n"
|
||||
" {\n"
|
||||
"\n"
|
||||
" float v = texture3D( baseTexture, texcoord).a;\n"
|
||||
|
||||
@ -1,4 +1,15 @@
|
||||
char volume_tf_mip_frag[] = "uniform sampler3D baseTexture;\n"
|
||||
char volume_tf_mip_frag[] = "#version 110\n"
|
||||
"\n"
|
||||
"##pragma import_defines(NVIDIA_Corporation)\n"
|
||||
"\n"
|
||||
"#if defined(NVIDIA_Corporation)\n"
|
||||
" // workaround a NVidia hang when the loop variable is a float, but works fine when it's an int\n"
|
||||
" #define loop_type int\n"
|
||||
"#else\n"
|
||||
" #define loop_type float\n"
|
||||
"#endif\n"
|
||||
"\n"
|
||||
"uniform sampler3D baseTexture;\n"
|
||||
"\n"
|
||||
"uniform sampler1D tfTexture;\n"
|
||||
"uniform float tfScale;\n"
|
||||
@ -66,16 +77,16 @@ char volume_tf_mip_frag[] = "uniform sampler3D baseTexture;\n"
|
||||
" t0 = t0 * texgen;\n"
|
||||
" te = te * texgen;\n"
|
||||
"\n"
|
||||
" const int max_iteratrions = 2048;\n"
|
||||
" int num_iterations = ceil(length((te-t0).xyz)/SampleDensityValue);\n"
|
||||
" if (num_iterations<2) num_iterations = 2;\n"
|
||||
" const loop_type max_iteratrions = loop_type(2048);\n"
|
||||
" loop_type num_iterations = loop_type(ceil(length((te-t0).xyz)/SampleDensityValue));\n"
|
||||
" if (num_iterations<loop_type(2)) num_iterations = loop_type(2);\n"
|
||||
" if (num_iterations>max_iteratrions) num_iterations = max_iteratrions;\n"
|
||||
"\n"
|
||||
" vec3 deltaTexCoord=(te-t0).xyz/float(num_iterations-1);\n"
|
||||
" vec3 deltaTexCoord=(te-t0).xyz/float(num_iterations-loop_type(1));\n"
|
||||
" vec3 texcoord = t0.xyz;\n"
|
||||
"\n"
|
||||
" vec4 fragColor = vec4(0.0, 0.0, 0.0, 0.0);\n"
|
||||
" while(num_iterations>0)\n"
|
||||
" while(num_iterations>loop_type(0))\n"
|
||||
" {\n"
|
||||
" float v = texture3D( baseTexture, texcoord).s * tfScale + tfOffset;\n"
|
||||
" vec4 color = texture1D( tfTexture, v);\n"
|
||||
|
||||
Loading…
Reference in New Issue
Block a user