bool GLProgram::compileShader(GLuint * shader, GLenum type, const GLchar* source)
{
GLint status;
if (!source)
{
return false;
}
const GLchar *sources[] = {
#if CC_TARGET_PLATFORM == CC_PLATFORM_WINRT
(type == GL_VERTEX_SHADER ? "precision mediump float;\n precision mediump int;\n" : "precision mediump float;\n precision mediump int;\n"),
#elif (CC_TARGET_PLATFORM != CC_PLATFORM_WIN32 && CC_TARGET_PLATFORM != CC_PLATFORM_LINUX && CC_TARGET_PLATFORM != CC_PLATFORM_MAC)
(type == GL_VERTEX_SHADER ? "precision highp float;\n precision highp int;\n" : "precision mediump float;\n precision mediump int;\n"),
#endif
"uniform mat4 CC_PMatrix;\n"
"uniform mat4 CC_MVMatrix;\n"
"uniform mat4 CC_MVPMatrix;\n"
"uniform mat3 CC_NormalMatrix;\n"
"uniform vec4 CC_Time;\n"
"uniform vec4 CC_SinTime;\n"
"uniform vec4 CC_CosTime;\n"
"uniform vec4 CC_Random01;\n"
"uniform sampler2D CC_Texture0;\n"
"uniform sampler2D CC_Texture1;\n"
"uniform sampler2D CC_Texture2;\n"
"uniform sampler2D CC_Texture3;\n"
"//CC INCLUDES END\n\n",
source,
};
*shader = glCreateShader(type);
glShaderSource(*shader, sizeof(sources)/sizeof(*sources), sources, nullptr);
glCompileShader(*shader);
glGetShaderiv(*shader, GL_COMPILE_STATUS, &status);
if (! status)
{
GLsizei length;
glGetShaderiv(*shader, GL_SHADER_SOURCE_LENGTH, &length);
GLchar* src = (GLchar *)malloc(sizeof(GLchar) * length);
glGetShaderSource(*shader, length, nullptr, src);
CCLOG("cocos2d: ERROR: Failed to compile shader:\n%s", src);
if (type == GL_VERTEX_SHADER)
{
CCLOG("cocos2d: %s", getVertexShaderLog().c_str());
}
else
{
CCLOG("cocos2d: %s", getFragmentShaderLog().c_str());
}
free(src);
return false;;
}
return (status == GL_TRUE);
}
bool GLProgram::compileShader(GLuint * shader, GLenum type, const GLchar* source, const std::string& compileTimeHeaders, const std::string& convertedDefines)
{
GLint status;
if (!source)
{
return false;
}
std::string headersDef;
if (compileTimeHeaders.empty()) {
#if CC_TARGET_PLATFORM == CC_PLATFORM_WINRT
headersDef = (type == GL_VERTEX_SHADER ? "precision mediump float;\n precision mediump int;\n" : "precision mediump float;\n precision mediump int;\n");
#elif (CC_TARGET_PLATFORM != CC_PLATFORM_WIN32 && CC_TARGET_PLATFORM != CC_PLATFORM_LINUX && CC_TARGET_PLATFORM != CC_PLATFORM_MAC)
headersDef = (type == GL_VERTEX_SHADER ? "precision highp float;\n precision highp int;\n" : "precision mediump float;\n precision mediump int;\n");
#endif
}else{
headersDef = compileTimeHeaders;
}
const GLchar *sources[] = {
headersDef.c_str(),
COCOS2D_SHADER_UNIFORMS,
convertedDefines.c_str(),
source};
*shader = glCreateShader(type);
glShaderSource(*shader, sizeof(sources)/sizeof(*sources), sources, nullptr);
glCompileShader(*shader);
glGetShaderiv(*shader, GL_COMPILE_STATUS, &status);
if (! status)
{
GLsizei length;
glGetShaderiv(*shader, GL_SHADER_SOURCE_LENGTH, &length);
GLchar* src = (GLchar *)malloc(sizeof(GLchar) * length);
glGetShaderSource(*shader, length, nullptr, src);
CCLOG("cocos2d: ERROR: Failed to compile shader:\n%s", src);
if (type == GL_VERTEX_SHADER)
{
CCLOG("cocos2d: %s", getVertexShaderLog().c_str());
}
else
{
CCLOG("cocos2d: %s", getFragmentShaderLog().c_str());
}
free(src);
return false;
}
return (status == GL_TRUE);
}