EmaMaker
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voxel-engine
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renderer: properly handle framebuffer resizing

hud
EmaMaker 2023-09-17 15:48:11 +02:00
parent 4b723d58fa
commit 00a4b8e1e2
3 changed files with 18 additions and 6 deletions
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4
include/renderer.hpp
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@ -12,9 +12,11 @@ namespace renderer{
typedef oneapi::tbb::concurrent_unordered_set<Chunk::Chunk*> RenderSet;
void init(GLFWwindow* window);
void render(GLFWwindow* window);
void render();
void resize_framebuffer(int width, int height);
void framebuffer_size_callback(GLFWwindow *window, int width, int height);
void destroy();
Shader* getRenderShader();
RenderSet& getChunksToRender();
oneapi::tbb::concurrent_queue<chunkmesher::MeshData*>& getMeshDataQueue();

2
src/main.cpp
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@ -99,7 +99,7 @@ int main()
if(glfwGetTime() - lastBlockPick > 0.1) blockpick = false;
// Render pass
renderer::render(window);
renderer::render();
// Swap buffers to avoid tearing
glfwSwapBuffers(window);

18
src/renderer.cpp
View File

@ -23,7 +23,6 @@ namespace renderer{
GLuint renderTexFrameBuffer, renderTex, renderTexDepthBuffer, quadVAO, quadVBO;
int screenWidth, screenHeight;
void init(GLFWwindow* window){
// Setup rendering
// We will render the image to a texture, then display the texture on a quad that fills the
@ -105,9 +104,10 @@ namespace renderer{
}
void render(GLFWwindow* window){
void render(){
// Bind the frame buffer to render to the texture
glBindFramebuffer(GL_FRAMEBUFFER, renderTexFrameBuffer);
glViewport(0, 0, screenWidth, screenHeight);
glEnable(GL_DEPTH_TEST);
if(wireframe) glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
else glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
@ -220,14 +220,24 @@ namespace renderer{
}
void framebuffer_size_callback(GLFWwindow *window, int width, int height){
resize_framebuffer(width, height);
}
void resize_framebuffer(int width, int height){
screenWidth = width;
screenHeight = height;
theCamera.viewPortCallBack(nullptr, width, height);
glBindFramebuffer(GL_FRAMEBUFFER, renderTexFrameBuffer);
glBindTexture(GL_TEXTURE_2D, renderTex);
glTexImage2D(GL_TEXTURE_2D, 0,GL_RGB, screenWidth, screenHeight, 0,GL_RGB, GL_UNSIGNED_BYTE, 0); // Support
glTexImage2D(GL_TEXTURE_2D, 0,GL_RGB, width, height, 0,GL_RGB, GL_UNSIGNED_BYTE, 0); // Support
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, renderTex, 0);
glBindRenderbuffer(GL_RENDERBUFFER, renderTexDepthBuffer);
glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT, screenWidth, screenHeight); //Support up to
glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT, width, height); //Support up to
glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER,
renderTexDepthBuffer);
}
void destroy(){