/* ======================================================================================================================================================== */
void GBuffer::initialize(pxInt width, pxInt height, GLenum textureType) {
STACK_TRACE;
/* Texture */
glActiveTexture(GL_TEXTURE0);
createTexture(colorTexture, textureType, GL_RGBA32F, GL_RGBA, width, height);
glActiveTexture(GL_TEXTURE1);
createTexture(normalTexture, textureType, GL_RGBA32F, GL_RGBA, width, height);
glActiveTexture(GL_TEXTURE2);
createTexture(typeTexture, textureType, GL_RGBA32F, GL_RGBA, width, height);
glActiveTexture(GL_TEXTURE3);
createTexture(depthTexture, textureType, GL_DEPTH_COMPONENT24, GL_DEPTH_COMPONENT, width, height);
/* Framebuffer to link everything together */
glGenFramebuffers(1, &id);
glBindFramebuffer(GL_FRAMEBUFFER, id);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, textureType, colorTexture, 0);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT1, textureType, normalTexture, 0);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT2, textureType, typeTexture, 0);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, textureType, depthTexture, 0);
STACK_MESSAGE("Checking Framebuffer errors");
checkFrameBuffer();
glBindFramebuffer(GL_FRAMEBUFFER, 0);
createQuad(VAO_id, VBO_Quad);
UNSTACK_TRACE;
}
/* ======================================================================================================================================================== */
void ImageBuffer::initialize(pxInt width, pxInt height) {
STACK_TRACE;
/* Texture */
glActiveTexture(GL_TEXTURE0);
createTexture(texture, GL_TEXTURE_2D, GL_RGBA32F, GL_RGBA, width, height);
/* Framebuffer to link everything together */
glGenFramebuffers(1, &id);
glBindFramebuffer(GL_FRAMEBUFFER, id);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, texture, 0);
STACK_MESSAGE("Checking Framebuffer errors");
checkFrameBuffer();
glBindFramebuffer(GL_FRAMEBUFFER, 0);
createQuad(VAO_id, VBO_Quad);
UNSTACK_TRACE;
}
void GRendering::writeToFBO(void)
{
// Binde Framebuffer
glBindFramebuffer(GL_FRAMEBUFFER, glui_FBO);
glViewport(0, 0, SHADOW_MAP_SIZE, SHADOW_MAP_SIZE);
checkFrameBuffer();
// Lösche den Inhalt des FBOs
glClearColor(1.0, 1.0, 1.0, 1.0);
glClear(GL_DEPTH_BUFFER_BIT);
// Binde die Textur
glBindTexture(GL_TEXTURE_2D, glui_depthTexture);
// Schalte FBO Shader
glUseProgram(glui_shadowMapShaderProgram);
// Zeichne die Szene in die Textur
sm_sceneMgr->drawShadow(glui_shadowMapShaderProgram);
// Stoppe das Rendern in das FBO
glBindFramebuffer(GL_FRAMEBUFFER, 0);
glUseProgram(0);
}