mirror of
https://github.com/jmarshall23/CnC_Remastered_Collection.git
synced 2026-08-12 16:10:54 +02:00
Justin Marshall
137 lines
3.1 KiB
C++
137 lines
3.1 KiB
C++
// RenderTexture.cpp
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//
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#include "function.h"
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#include "image.h"
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#include "gl/glew.h"
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/*
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========================
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RenderTexture::RenderTexture
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========================
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*/
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RenderTexture::RenderTexture(Image_t *colorImage, Image_t *depthImage) {
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deviceHandle = -1;
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if (colorImage != nullptr)
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{
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AddRenderImage(colorImage);
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}
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this->depthImage = depthImage;
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}
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/*
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========================
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RenderTexture::~RenderTexture
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========================
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*/
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RenderTexture::~RenderTexture() {
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if (deviceHandle != -1)
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{
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glDeleteFramebuffers(1, &deviceHandle);
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deviceHandle = -1;
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}
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}
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/*
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================
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RenderTexture::AddRenderImage
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================
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*/
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void RenderTexture::AddRenderImage(Image_t *image) {
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if (deviceHandle != -1) {
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assert(!"RenderTexture::AddRenderImage: Can't add render image after FBO has been created!");
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}
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colorImages.push_back(image);
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}
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/*
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================
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RenderTexture::InitRenderTexture
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================
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*/
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void RenderTexture::InitRenderTexture(void) {
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glGenFramebuffers(1, &deviceHandle);
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glBindFramebuffer(GL_FRAMEBUFFER, deviceHandle);
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for (int i = 0; i < colorImages.size(); i++) {
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glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0 + i, GL_TEXTURE_2D, colorImages[i]->HouseImages[0].image[0][0], 0);
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}
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if (depthImage != nullptr) {
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glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D, depthImage->HouseImages[0].image[0][0], 0);
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}
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if (colorImages.size() > 0)
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{
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GLenum DrawBuffers[5] = { GL_COLOR_ATTACHMENT0, GL_COLOR_ATTACHMENT1, GL_COLOR_ATTACHMENT2, GL_COLOR_ATTACHMENT3, GL_COLOR_ATTACHMENT4 };
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if (colorImages.size() >= 5) {
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assert(!"InitRenderTextures: Too many render targets!");
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}
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glDrawBuffers(colorImages.size(), &DrawBuffers[0]);
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}
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if (glCheckFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE) {
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assert(!"RenderTexture::InitRenderTexture: Failed to create rendertexture!");
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}
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glBindFramebuffer(GL_FRAMEBUFFER, 0);
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}
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/*
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================
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RenderTexture::MakeCurrent
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================
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*/
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void RenderTexture::MakeCurrent(void) {
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glBindFramebuffer(GL_FRAMEBUFFER, deviceHandle);
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}
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/*
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================
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RenderTexture::BindNull
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================
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*/
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void RenderTexture::BindNull(void) {
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glBindFramebuffer(GL_FRAMEBUFFER, 0);
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}
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int RenderTexture::GetWidth() const { return (colorImages.size() > 0) ? colorImages[0]->renderwidth[0] : depthImage->renderwidth[0]; }
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int RenderTexture::GetHeight() const { return (colorImages.size() > 0) ? colorImages[0]->renderheight[0] : depthImage->renderheight[0]; }
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/*
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================
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RenderTexture::Resize
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================
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*/
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void RenderTexture::Resize(int width, int height) {
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//Image_t *target = nullptr;
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//
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//if (colorImages.Num() > 0) {
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// target = colorImages[0];
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//}
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//else {
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// target = depthImage;
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//}
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//
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//if (target->GetOpts().width == width && target->GetOpts().height == height) {
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// return;
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//}
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//
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//for(int i = 0; i < colorImages.Num(); i++) {
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// colorImages[i]->Resize(width, height);
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//}
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//
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//if (depthImage != nullptr) {
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// depthImage->Resize(width, height);
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//}
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//
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//if (deviceHandle != -1)
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//{
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// glDeleteFramebuffers(1, &deviceHandle);
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// deviceHandle = -1;
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//}
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//
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//InitRenderTexture();
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}
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