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+ | Multiple obj using multiple BVH

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TheRedShip
2025-01-19 22:40:02 +01:00
parent d7bf46e76e
commit 84b0f22127
11 changed files with 170 additions and 95 deletions
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25
srcs/RT.cpp
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@ -20,21 +20,22 @@ int main(int argc, char **argv)
return (1);
Window window(&scene, WIDTH, HEIGHT, "RT_GPU", 0);
Shader shader("shaders/vertex.vert", "shaders/frag.frag", "shaders/compute.glsl");
// Shader shader("shaders/vertex.vert", "shaders/frag.frag", "shaders/debug.glsl");
// Shader shader("shaders/vertex.vert", "shaders/frag.frag", "shaders/compute.glsl");
Shader shader("shaders/vertex.vert", "shaders/frag.frag", "shaders/debug.glsl");
GLint max_gpu_size;
glGetIntegerv(GL_MAX_SHADER_STORAGE_BLOCK_SIZE, &max_gpu_size);
const std::vector<GPUObject> &object_data = scene.getObjectData();
const std::vector<GPUTriangle> &triangle_data = scene.getTriangleData();
const std::vector<GPUBvh> &bvh_data = scene.getBVH();
const std::vector<GPUBvh> &bvh_nodes = scene.getBvh();
const std::vector<GPUBvhData> &bvh_data = scene.getBvhData();
const std::vector<GPUMaterial> &material_data = scene.getMaterialData();
std::cout << "Sending " << object_data.size() << " objects for " << \
object_data.size() * sizeof(GPUObject) + \
triangle_data.size() * sizeof(GPUTriangle) + \
bvh_data.size() * sizeof(GPUBvh) + \
bvh_nodes.size() * sizeof(GPUBvh) + \
material_data.size() * sizeof(GPUMaterial) \
<< " / " << max_gpu_size << " bytes" << std::endl;
@ -50,23 +51,29 @@ int main(int argc, char **argv)
glBufferData(GL_SHADER_STORAGE_BUFFER, sizeof(GPUTriangle) * triangle_data.size(), triangle_data.data(), GL_STATIC_DRAW);
glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 2, trianglesSSBO);
GLuint bvh_nodesSSBO;
glGenBuffers(1, &bvh_nodesSSBO);
glBindBuffer(GL_SHADER_STORAGE_BUFFER, bvh_nodesSSBO);
glBufferData(GL_SHADER_STORAGE_BUFFER, sizeof(GPUBvhData) * bvh_data.size(), bvh_data.data(), GL_STATIC_DRAW);
glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 3, bvh_nodesSSBO);
GLuint bvhSSBO;
glGenBuffers(1, &bvhSSBO);
glBindBuffer(GL_SHADER_STORAGE_BUFFER, bvhSSBO);
glBufferData(GL_SHADER_STORAGE_BUFFER, sizeof(GPUBvh) * bvh_data.size(), bvh_data.data(), GL_STATIC_DRAW);
glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 3, bvhSSBO);
glBufferData(GL_SHADER_STORAGE_BUFFER, sizeof(GPUBvh) * bvh_nodes.size(), bvh_nodes.data(), GL_STATIC_DRAW);
glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 4, bvhSSBO);
GLuint materialSSBO;
glGenBuffers(1, &materialSSBO);
glBindBuffer(GL_SHADER_STORAGE_BUFFER, materialSSBO);
glBufferData(GL_SHADER_STORAGE_BUFFER, sizeof(GPUMaterial) * material_data.size(), nullptr, GL_STATIC_DRAW);
glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 4, materialSSBO);
glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 5, materialSSBO);
GLuint lightSSBO;
glGenBuffers(1, &lightSSBO);
glBindBuffer(GL_SHADER_STORAGE_BUFFER, lightSSBO);
glBufferData(GL_SHADER_STORAGE_BUFFER, scene.getGPULights().size() * sizeof(int), nullptr, GL_STATIC_DRAW);
glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 5, lightSSBO);
glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 6, lightSSBO);
GLuint cameraUBO;
@ -151,7 +158,7 @@ int main(int argc, char **argv)
shader.set_int("u_frameCount", window.getFrameCount());
shader.set_int("u_objectsNum", object_data.size());
shader.set_int("u_bvhNum", scene.getBVH().size());
shader.set_int("u_bvhNum", bvh_data.size());
shader.set_int("u_lightsNum", gpu_lights.size());
shader.set_int("u_pixelisation", window.getPixelisation());
shader.set_float("u_time", (float)(glfwGetTime()));