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+ | Switched to compute shader

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TheRedShip
2024-12-24 00:42:47 +01:00
parent f26094aa21
commit 7b56daf149
8 changed files with 173 additions and 122 deletions
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25
srcs/RT.cpp
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@ -12,29 +12,40 @@
#include "RT.hpp"
int main(void)
{
Window window(WIDTH, HEIGHT, "RT_GPU", 0);
Shader shader("shaders/vertex.vert", "shaders/frag.frag");
Shader shader("shaders/vertex.vert", "shaders/frag.frag", "shaders/compute.glsl");
Vertex vertices[3] = {
{{-1.0f, -1.0f}, {0.0f, 0.0f}},
{{3.0f, -1.0f}, {2.0f, 0.0f}},
{{-1.0f, 3.0f}, {0.0f, 2.0f}}
};
shader.attach();
glm::vec2 vertices[3] = {
{-1.0f, -1.0f}, {3.0f, -1.0f}, {-1.0f, 3.0f}
};
size_t size = sizeof(vertices) / sizeof(glm::vec2) / 3;
size_t size = sizeof(vertices) / sizeof(Vertex) / 3;
shader.setupVertexBuffer(vertices, size);
while (!window.shouldClose())
{
glClear(GL_COLOR_BUFFER_BIT);
glUseProgram(shader.getProgramCompute());
shader.set_vec2("u_resolution", glm::vec2(WIDTH, HEIGHT));
shader.set_vec3("u_cameraPosition", window.getScene()->getCamera()->get_position());
shader.set_mat4("u_viewMatrix", window.getScene()->getCamera()->get_view_matrix());
glDispatchCompute((WIDTH + 15) / 16, (HEIGHT + 15) / 16, 1);
glMemoryBarrier(GL_SHADER_IMAGE_ACCESS_BARRIER_BIT);
glClear(GL_COLOR_BUFFER_BIT);
glUseProgram(shader.getProgram());
shader.drawTriangles(size);
std::cout << "\rFPS: " << int(window.getFps()) << " " << std::flush;