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Basic shadows (not working very well yet)

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This commit is contained in:
4VRDriver
2020-09-24 14:36:57 +02:00
parent bbd186bca9
commit dd44888a4d
19 changed files with 157 additions and 61 deletions
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17
src/Framebuffer.cpp
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@@ -1,6 +1,7 @@
#include "Framebuffer.h"
#include <cstddef>
#include <iostream>
Framebuffer::Framebuffer(uint32_t width, uint32_t height, ShaderProgram *shaderProgram) {
@@ -19,6 +20,7 @@ Framebuffer::Framebuffer(uint32_t width, uint32_t height, ShaderProgram *shaderP
glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH24_STENCIL8, width, height, 0, GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8, NULL);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glBindTexture(GL_TEXTURE_2D, 0);
bind();
@@ -66,24 +68,25 @@ void Framebuffer::render() {
DepthMap::DepthMap(int resolution) {
DepthMap::DepthMap(int RESOLUTION) {
glGenFramebuffers(1, &depthMapFBO);
unsigned int depthMap;
glGenTextures(1, &depthMap);
glBindTexture(GL_TEXTURE_2D, depthMap);
glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH_COMPONENT, resolution, resolution, 0, GL_DEPTH_COMPONENT, GL_FLOAT, NULL);
glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH_COMPONENT, RESOLUTION, RESOLUTION, 0, GL_DEPTH_COMPONENT, GL_FLOAT, NULL);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glBindFramebuffer(GL_FRAMEBUFFER, depthMapFBO);
glBindTexture(GL_TEXTURE_2D, 0);
bind();
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D, depthMap, 0);
glDrawBuffer(GL_NONE);
glReadBuffer(GL_NONE);
glBindFramebuffer(GL_FRAMEBUFFER, 0);
unbind();
}