//------------------------------------------------------------------------------
int32 CGUIShader_opengl_base::LoadAndCompile(const CGUIString& rVertexShaderFileName, const CGUIString& rFragmentShaderFileName)
{
#if defined(GUIEX_RENDER_OPENGL) || defined(GUIEX_RENDER_OPENGL_ES2)
DestroyShader();
//create shader
m_uVertexShader = BuildShader(rVertexShaderFileName, GL_VERTEX_SHADER);
m_uFragmentShader = BuildShader(rFragmentShaderFileName, GL_FRAGMENT_SHADER);
m_uProgramId = glCreateProgram();
glAttachShader(m_uProgramId, m_uVertexShader);
glAttachShader(m_uProgramId, m_uFragmentShader);
glLinkProgram(m_uProgramId);
GLint linkSuccess;
glGetProgramiv(m_uProgramId, GL_LINK_STATUS, &linkSuccess);
if (linkSuccess == GL_FALSE)
{
char messages[256];
glGetProgramInfoLog(m_uProgramId, sizeof(messages), 0, &messages[0]);
GUI_THROW( GUI_FORMAT( "[CGUIShader_opengl_base::LoadAndCompile]: %s", messages ));
return -1;
}
CacheAttributeLoc();
CacheUniformLoc();
#endif //#if defined(GUIEX_RENDER_OPENGL) || defined(GUIEX_RENDER_OPENGL_ES2)
return 0;
}
void UnloadContext(RenderContext *context)
{
DestroyShader(&context->diffuse);
glDeleteVertexArrays(1, &context->vao);
glDeleteBuffers(1, &context->vbo);
glDeleteBuffers(1, &context->ebo);
UnloadTexture(&context->font);
}
void DestroyShaderManager() {
ShaderProgram *oneProgram;
if(!shader_hash) return;
oneProgram = StartLoopHash(shader_hash);
while(oneProgram) {
DestroyShader(&oneProgram);
oneProgram = GetNextHash(shader_hash);
}
DestroyHash(&shader_hash);
}
void c_system_motionblur::ReleaseResources_Base()
{
// release the direct 3d resources
DestroyShader();
DestroyEffect();
Validate();
m_members.status = Enums::pp_component_status_uninitialised;
UpdateStatus();
}
void c_system_motionblur::Unload()
{
// release the direct3d resources of the shader
DestroyShader();
DestroyEffect();
Validate();
m_members.status = Enums::pp_component_status_uninitialised;
m_members.m_flags.is_unloaded = true;
UpdateStatus();
}
//------------------------------------------------------------------------------
CGUIShader_opengl_base::~CGUIShader_opengl_base()
{
DestroyShader();
}
