C++ (Cpp) object::get_sub_object_count Beispiele

Beispiel #1

Datei: cullindirect.cpp Projekt: DebugChopra/sb7code

void cullindirect_app::startup()
{
    GLuint first, count;

    object.load("media/objects/asteroids.sbm");

    glGenBuffers(1, &buffers.parameters);
    glBindBuffer(GL_PARAMETER_BUFFER_ARB, buffers.parameters);
    glBufferStorage(GL_PARAMETER_BUFFER_ARB, 256, nullptr, 0);

    glGenBuffers(1, &buffers.drawCandidates);
    glBindBuffer(GL_SHADER_STORAGE_BUFFER, buffers.drawCandidates);

    CandidateDraw* pDraws = new CandidateDraw[CANDIDATE_COUNT];

    int i;

    for (i = 0; i < CANDIDATE_COUNT; i++)
    {
        object.get_sub_object_info(i % object.get_sub_object_count(), first, count);
        pDraws[i].sphereCenter = vmath::vec3(0.0f);
        pDraws[i].sphereRadius = 4.0f;
        pDraws[i].firstVertex = first;
        pDraws[i].vertexCount = count;
    }

    glBufferStorage(GL_SHADER_STORAGE_BUFFER, CANDIDATE_COUNT * sizeof(CandidateDraw), pDraws, 0);

    delete [] pDraws;

    glGenBuffers(1, &buffers.drawCommands);
    glBindBuffer(GL_SHADER_STORAGE_BUFFER, buffers.drawCommands);
    glBufferStorage(GL_SHADER_STORAGE_BUFFER, CANDIDATE_COUNT * sizeof(DrawArraysIndirectCommand), nullptr, GL_MAP_READ_BIT);

    glGenBuffers(1, &buffers.modelMatrices);
    glBindBuffer(GL_UNIFORM_BUFFER, buffers.modelMatrices);
    glBufferStorage(GL_UNIFORM_BUFFER, 1024 * sizeof(vmath::mat4), nullptr, GL_MAP_WRITE_BIT);

    glGenBuffers(1, &buffers.transforms);
    glBindBuffer(GL_UNIFORM_BUFFER, buffers.transforms);
    glBufferStorage(GL_UNIFORM_BUFFER, sizeof(TransformBuffer), nullptr, GL_MAP_WRITE_BIT);

    load_shaders();

    overlay.init(128, 50);

    texture = sb7::ktx::file::load("media/textures/rocks.ktx");
}