GLSL Example Effect (COLLADA 1.4.1): Difference between revisions
A complete example of a GLSL effect |
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Revision as of 16:02, 18 January 2008
<COLLADA xmlns="http://www.collada.org/2005/11/COLLADASchema" version="1.4.1"> <asset> <contributor> <author></author> <authoring_tool>RenderMonkey</authoring_tool> <comments>Output from RenderMonkey COLLADA Exporter</comments> <copyright></copyright> <source_data></source_data> </contributor> <created>2007-12-11T14:24:00Z</created> <modified>2007-12-11T14:24:00Z</modified> <unit meter="0.01" name="centimeter"></unit> <up_axis>Y_UP</up_axis> </asset> <library_visual_scenes> <visual_scene id="VisualSceneNode" name="untitled"> <node id="Model_E0_MESH_0_REF_1" name="Model_E0_MESH_0_REF_1"> <instance_geometry url="#Model_E0_MESH_0_REF_1_lib"> <bind_material> <technique_common> <instance_material symbol="Textured_Bump_E0_MP_MAT" target="#Textured_Bump_E0_MP_MAT"> <bind_vertex_input semantic="rm_Binormal" input_semantic="BINORMAL" input_set="2"></bind_vertex_input> <bind_vertex_input semantic="rm_Tangent" input_semantic="TANGENT" input_set="1"></bind_vertex_input> </instance_material> </technique_common> </bind_material> </instance_geometry> </node> </visual_scene> </library_visual_scenes> <library_materials> <material id="Textured_Bump_E0_MP_MAT" name="Textured_Bump_E0_MP_MAT"> <instance_effect url="#Textured_Bump_E0_MP_FX"> <technique_hint platform="PC-OGL" profile="GLSL" ref="Textured_Bump_E0_MP_TECH"></technique_hint> <setparam ref="fSpecularPower_E0_P0"> <float>25</float> </setparam> <setparam ref="fvAmbient_E0_P0"> <float4>0.368627 0.368421 0.368421 1</float4> </setparam> <setparam ref="fvDiffuse_E0_P0"> <float4>0.886275 0.885003 0.885003 1</float4> </setparam> <setparam ref="fvEyePosition_E0_P0"> <float3>0 0 100</float3> </setparam> <setparam ref="fvLightPosition_E0_P0"> <float3>-100 100 100</float3> </setparam> <setparam ref="fvSpecular_E0_P0"> <float4>0.490196 0.488722 0.488722 1</float4> </setparam> <setparam ref="baseMap_Sampler"> <sampler2D>
baseMap_Surface<minfilter>LINEAR_MIPMAP_LINEAR</minfilter> <magfilter>LINEAR</magfilter> </sampler2D> </setparam> <setparam ref="baseMap_Surface"> <surface type="2D"> <init_from>base_E0</init_from> <format>A8R8G8B8</format> </surface> </setparam> <setparam ref="bumpMap_Sampler"> <sampler2D>
bumpMap_Surface <minfilter>LINEAR_MIPMAP_LINEAR</minfilter>
<magfilter>LINEAR</magfilter>
</sampler2D>
</setparam>
<setparam ref="bumpMap_Surface">
<surface type="2D">
<init_from>bump_E0</init_from>
<format>A8R8G8B8</format>
</surface>
</setparam>
</instance_effect>
</material>
</library_materials>
<library_effects>
<effect id="Textured_Bump_E0_MP_FX">
<profile_GLSL>
uniform vec3 fvLightPosition;
uniform vec3 fvEyePosition;
varying vec2 Texcoord;
varying vec3 ViewDirection;
varying vec3 LightDirection;
attribute vec3 rm_Binormal;
attribute vec3 rm_Tangent;
void main( void )
{
gl_Position = ftransform();
Texcoord = gl_MultiTexCoord0.xy;
vec4 fvObjectPosition = gl_ModelViewMatrix * gl_Vertex;
vec3 fvViewDirection = fvEyePosition - fvObjectPosition.xyz;
vec3 fvLightDirection = fvLightPosition - fvObjectPosition.xyz;
vec3 fvNormal = gl_NormalMatrix * gl_Normal;
vec3 fvBinormal = gl_NormalMatrix * rm_Binormal;
vec3 fvTangent = gl_NormalMatrix * rm_Tangent;
ViewDirection.x = dot( fvTangent, fvViewDirection );
ViewDirection.y = dot( fvBinormal, fvViewDirection );
ViewDirection.z = dot( fvNormal, fvViewDirection );
LightDirection.x = dot( fvTangent, fvLightDirection.xyz );
LightDirection.y = dot( fvBinormal, fvLightDirection.xyz );
LightDirection.z = dot( fvNormal, fvLightDirection.xyz );
}
uniform vec4 fvAmbient;
uniform vec4 fvSpecular;
uniform vec4 fvDiffuse;
uniform float fSpecularPower;
uniform sampler2D baseMap;
uniform sampler2D bumpMap;
varying vec2 Texcoord;
varying vec3 ViewDirection;
varying vec3 LightDirection;
void main( void )
{
vec3 fvLightDirection = normalize( LightDirection );
vec3 fvNormal = normalize( ( texture2D( bumpMap, Texcoord ).xyz * 2.0 ) - 1.0 );
float fNDotL = dot( fvNormal, fvLightDirection );
vec3 fvReflection = normalize( ( ( 2.0 * fvNormal ) * fNDotL ) - fvLightDirection );
vec3 fvViewDirection = normalize( ViewDirection );
float fRDotV = max( 0.0, dot( fvReflection, fvViewDirection ) );
vec4 fvBaseColor = texture2D( baseMap, Texcoord );
vec4 fvTotalAmbient = fvAmbient * fvBaseColor;
vec4 fvTotalDiffuse = fvDiffuse * fNDotL * fvBaseColor;
vec4 fvTotalSpecular = fvSpecular * ( pow( fRDotV, fSpecularPower ) );
gl_FragColor = ( fvTotalAmbient + fvTotalDiffuse + fvTotalSpecular );
}
<newparam sid="fSpecularPower_E0_P0">
<float>25</float>
</newparam>
<newparam sid="fvAmbient_E0_P0">
<float4>0.368627 0.368421 0.368421 1</float4>
</newparam>
<newparam sid="fvDiffuse_E0_P0">
<float4>0.886275 0.885003 0.885003 1</float4>
</newparam>
<newparam sid="fvEyePosition_E0_P0">
<float3>0 0 100</float3>
</newparam>
<newparam sid="fvLightPosition_E0_P0">
<float3>-100 100 100</float3>
</newparam>
<newparam sid="fvSpecular_E0_P0">
<float4>0.490196 0.488722 0.488722 1</float4>
</newparam>
<newparam sid="baseMap_Sampler">
<sampler2D>
baseMap_Surface<minfilter>LINEAR_MIPMAP_LINEAR</minfilter> <magfilter>LINEAR</magfilter> </sampler2D> </newparam> <newparam sid="baseMap_Surface"> <surface type="2D"> <init_from>base_E0</init_from> <format>A8R8G8B8</format> </surface> </newparam> <newparam sid="bumpMap_Sampler"> <sampler2D>
bumpMap_Surface<minfilter>LINEAR_MIPMAP_LINEAR</minfilter> <magfilter>LINEAR</magfilter> </sampler2D> </newparam> <newparam sid="bumpMap_Surface"> <surface type="2D"> <init_from>bump_E0</init_from> <format>A8R8G8B8</format> </surface> </newparam> <technique sid="Textured_Bump_E0_MP_TECH"> <pass sid="Pass_0"> <shader stage="VERTEXPROGRAM"> <compiler_target>110</compiler_target> <name source="Vertex_Program_E0_P0_VP">main</name> <bind symbol="fvEyePosition"> <param ref="fvEyePosition_E0_P0"></param> </bind> <bind symbol="fvLightPosition"> <param ref="fvLightPosition_E0_P0"></param> </bind> </shader> <shader stage="FRAGMENTPROGRAM"> <compiler_target>110</compiler_target> <name source="Fragment_Program_E0_P0_FP">main</name> <bind symbol="fSpecularPower"> <param ref="fSpecularPower_E0_P0"></param> </bind> <bind symbol="fvAmbient"> <param ref="fvAmbient_E0_P0"></param> </bind> <bind symbol="fvDiffuse"> <param ref="fvDiffuse_E0_P0"></param> </bind> <bind symbol="fvSpecular"> <param ref="fvSpecular_E0_P0"></param> </bind> <bind symbol="baseMap"> <param ref="baseMap_Sampler"></param> </bind> <bind symbol="bumpMap"> <param ref="bumpMap_Sampler"></param> </bind> </shader> </pass> </technique> </profile_GLSL> </effect> </library_effects> <library_images> <image id="base_E0" name="base_E0"> <init_from>./Textured_Bump/Fieldstone.tga</init_from> </image> <image id="bump_E0" name="bump_E0"> <init_from>./Textured_Bump/FieldstoneBumpDOT3.tga</init_from> </image> </library_images> <library_geometries> <geometry id="Model_E0_MESH_0_REF_1_lib" name="Model_E0_MESH_0_REF_1"> <mesh>
<float_array id="Model_E0_MESH_0_REF_1_lib_positions_array" count="9">-50 -50 0 50 -50 0 0 50 0</float_array>
<technique_common>
<accessor count="3" source="#Model_E0_MESH_0_REF_1_lib_positions_array" stride="3">
<param name="X" type="float"></param>
<param name="Y" type="float"></param>
<param name="Z" type="float"></param>
</accessor>
</technique_common> <float_array id="Model_E0_MESH_0_REF_1_lib_normals_array" count="9">0 0 -1 0 0 -1 0 0 -1</float_array>
<technique_common>
<accessor count="3" source="#Model_E0_MESH_0_REF_1_lib_normals_array" stride="3">
<param name="X" type="float"></param>
<param name="Y" type="float"></param>
<param name="Z" type="float"></param>
</accessor>
</technique_common> <float_array id="Model_E0_MESH_0_REF_1_lib_texcoords_array" count="6">0 0 1 0 0.5 1</float_array>
<technique_common>
<accessor count="3" source="#Model_E0_MESH_0_REF_1_lib_texcoords_array" stride="2">
<param name="X" type="float"></param>
<param name="Y" type="float"></param>
</accessor>
</technique_common> <float_array id="Model_E0_MESH_0_REF_1_lib_tangents_array" count="9">1 0 0 1 0 0 1 0 0</float_array>
<technique_common>
<accessor count="3" source="#Model_E0_MESH_0_REF_1_lib_tangents_array" stride="3">
<param name="X" type="float"></param>
<param name="Y" type="float"></param>
<param name="Z" type="float"></param>
</accessor>
</technique_common> <float_array id="Model_E0_MESH_0_REF_1_lib_binormals_array" count="9">0 1 0 0 0 0 0 1 0</float_array>
<technique_common>
<accessor count="3" source="#Model_E0_MESH_0_REF_1_lib_binormals_array" stride="3">
<param name="X" type="float"></param>
<param name="Y" type="float"></param>
<param name="Z" type="float"></param>
</accessor>
</technique_common><vertices id="Model_E0_MESH_0_REF_1_lib_vertices"> <input semantic="POSITION" source="#Model_E0_MESH_0_REF_1_lib_positions"></input> <input semantic="NORMAL" source="#Model_E0_MESH_0_REF_1_lib_normals"></input> <input semantic="TEXCOORD" source="#Model_E0_MESH_0_REF_1_lib_texcoords"></input> </vertices> <triangles count="1" material="Textured_Bump_E0_MP_MAT"> <input offset="0" semantic="VERTEX" source="#Model_E0_MESH_0_REF_1_lib_vertices"></input> <input offset="0" semantic="TANGENT" source="#Model_E0_MESH_0_REF_1_lib_tangents"></input> <input offset="0" semantic="BINORMAL" source="#Model_E0_MESH_0_REF_1_lib_binormals"></input>
0 1 2
</triangles> </mesh> </geometry> </library_geometries> <scene> <instance_visual_scene url="#VisualSceneNode"></instance_visual_scene> </scene> </COLLADA>