本文整理汇总了C++中ShaderSource::str方法的典型用法代码示例。如果您正苦于以下问题：C++ ShaderSource::str方法的具体用法？C++ ShaderSource::str怎么用？C++ ShaderSource::str使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类ShaderSource的用法示例。
在下文中一共展示了ShaderSource::str方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: defined
std::string EnvironmentEs::generateFragmentShader( const ShaderDef &shader )
{
ShaderSource ss;
#if ( CINDER_GL_ES_VERSION >= CINDER_GL_ES_VERSION_3 )
#if ( CINDER_GL_ES_VERSION == CINDER_GL_ES_VERSION_3 )
ss << "#version 300 es";
#elif ( CINDER_GL_ES_VERSION == CINDER_GL_ES_VERSION_3_1 )
ss << "#version 310 es";
#elif ( CINDER_GL_ES_VERSION == CINDER_GL_ES_VERSION_3_2 )
ss << "#version 320 es";
#endif
#if defined( CINDER_ANDROID )
if( shader.mTextureMappingExternalOes) {
ss << "#extension GL_OES_EGL_image_external : require";
}
#endif
ss << "precision highp float;";
#if defined( CINDER_ANDROID )
if( shader.mTextureMapping ) {
if( shader.mTextureMappingExternalOes ) {
ss << "uniform samplerExternalOES uTex0;";
ss << "in highp vec2 TexCoord;";
}
else {
ss << "uniform sampler2D uTex0;";
ss << "in highp vec2 TexCoord;";
}
}
#else
if( shader.mTextureMapping ) {
ss << "uniform sampler2D uTex0;";
ss << "in highp vec2 TexCoord;";
}
#endif
if( shader.mColor ) {
ss << "in lowp vec4 Color;";
}
if( shader.mLambert ) {
ss << "in highp vec3 Normal;";
}
ss << "out lowp vec4 outColor;";
ss << "void main( void )";
ss << "{\n";
if( shader.mLambert ) {
ss << " const vec3 L = vec3( 0, 0, 1 );";
ss << " vec3 N = normalize( Normal );";
ss << " float lambert = max( 0.0, dot( N, L ) );";
}
std::string s = "outColor = vec4( 1 )";
if( shader.mTextureMapping ) {
s += " * texture( uTex0, TexCoord.st )";
}
if( shader.mColor ) {
s += " * Color";
}
if( shader.mLambert ) {
s += " * vec4( vec3( lambert ), 1.0 )";
}
s += ";";
ss << " " + s;
ss << "}";
#else // OpenGL ES 2.0
ss << "#version 100";
#if defined( CINDER_ANDROID )
if( shader.mTextureMappingExternalOes) {
ss << "#extension GL_OES_EGL_image_external : require";
}
#endif
ss << "precision highp float;";
#if defined( CINDER_ANDROID )
if( shader.mTextureMapping ) {
if( shader.mTextureMappingExternalOes ) {
ss << "uniform samplerExternalOES uTex0;";
ss << "varying highp vec2 TexCoord;";
}
else {
ss << "uniform sampler2D uTex0;";
ss << "varying highp vec2 TexCoord;";
}
}
#else
//.........这里部分代码省略.........
示例2: main
std::string EnvironmentEs::generateVertexShader( const ShaderDef &shader )
{
ShaderSource ss;
#if ( CINDER_GL_ES_VERSION >= CINDER_GL_ES_VERSION_3 )
#if ( CINDER_GL_ES_VERSION == CINDER_GL_ES_VERSION_3 )
ss << "#version 300 es";
#elif ( CINDER_GL_ES_VERSION == CINDER_GL_ES_VERSION_3_1 )
ss << "#version 310 es";
#elif ( CINDER_GL_ES_VERSION == CINDER_GL_ES_VERSION_3_2 )
ss << "#version 320 es";
#endif
ss << "uniform mat4 ciModelViewProjection;";
if( shader.mLambert ) {
ss << "uniform mat3 ciNormalMatrix;";
}
ss << "in vec4 ciPosition;";
if( shader.mUniformBasedPosAndTexCoord ) {
ss << "uniform vec2 uPositionOffset, uPositionScale;";
if( shader.mTextureMapping ) {
ss << "uniform vec2 uTexCoordOffset, uTexCoordScale;";
}
}
if( shader.mTextureMapping ) {
ss << "in vec2 ciTexCoord0;";
ss << "out highp vec2 TexCoord;";
}
if( shader.mColor ) {
ss << "in vec4 ciColor;";
ss << "out lowp vec4 Color;";
}
if( shader.mLambert ) {
ss << "in vec3 ciNormal;";
ss << "out highp vec3 Normal;";
}
ss << "void main( void )";
ss << "{";
if( shader.mUniformBasedPosAndTexCoord ) {
ss << " gl_Position = ciModelViewProjection * ( vec4( uPositionOffset, 0, 0 ) + vec4( uPositionScale, 1, 1 ) * ciPosition );";
}
else {
ss << " gl_Position = ciModelViewProjection * ciPosition;";
}
if( shader.mTextureMapping ) {
if( shader.mUniformBasedPosAndTexCoord ) {
ss << " TexCoord = uTexCoordOffset + uTexCoordScale * ciTexCoord0;";
}
else {
ss << " TexCoord = ciTexCoord0;";
}
}
if( shader.mColor ) {
ss << " Color = ciColor;";
}
if( shader.mLambert ) {
ss << " Normal = ciNormalMatrix * ciNormal;";
}
ss << "}";
#else // OpenGL ES 2.0
ss << "#version 100";
ss << "uniform mat4 ciModelViewProjection;";
if( shader.mLambert ) {
ss << "uniform mat3 ciNormalMatrix;";
}
ss << "attribute vec4 ciPosition;";
if( shader.mUniformBasedPosAndTexCoord ) {
ss << "uniform vec2 uPositionOffset, uPositionScale;";
if( shader.mTextureMapping ) {
ss << "uniform vec2 uTexCoordOffset, uTexCoordScale;";
}
}
if( shader.mTextureMapping ) {
ss << "attribute vec2 ciTexCoord0;";
ss << "varying highp vec2 TexCoord;";
}
if( shader.mColor ) {
ss << "attribute vec4 ciColor;";
ss << "varying lowp vec4 Color;";
//.........这里部分代码省略.........