C++ (Cpp) MaxFragmentAtomicCounterBuffers Examples

Example #1

File: gl-500-fill-rectangle-nv.cpp Project: amhagan/ogl-samples

    bool initBuffer()
    {
        bool Validated(true);

        GLint MaxVertexAtomicCounterBuffers(0);
        GLint MaxControlAtomicCounterBuffers(0);
        GLint MaxEvaluationAtomicCounterBuffers(0);
        GLint MaxGeometryAtomicCounterBuffers(0);
        GLint MaxFragmentAtomicCounterBuffers(0);
        GLint MaxCombinedAtomicCounterBuffers(0);

        glGetIntegerv(GL_MAX_VERTEX_ATOMIC_COUNTER_BUFFERS, &MaxVertexAtomicCounterBuffers);
        glGetIntegerv(GL_MAX_TESS_CONTROL_ATOMIC_COUNTER_BUFFERS, &MaxControlAtomicCounterBuffers);
        glGetIntegerv(GL_MAX_TESS_EVALUATION_ATOMIC_COUNTER_BUFFERS, &MaxEvaluationAtomicCounterBuffers);
        glGetIntegerv(GL_MAX_GEOMETRY_ATOMIC_COUNTER_BUFFERS, &MaxGeometryAtomicCounterBuffers);
        glGetIntegerv(GL_MAX_FRAGMENT_ATOMIC_COUNTER_BUFFERS, &MaxFragmentAtomicCounterBuffers);
        glGetIntegerv(GL_MAX_COMBINED_ATOMIC_COUNTER_BUFFERS, &MaxCombinedAtomicCounterBuffers);

        glCreateBuffers(buffer::MAX, &BufferName[0]);
        glNamedBufferStorage(BufferName[buffer::VERTEX], VertexSize, VertexData, 0);
        glNamedBufferStorage(BufferName[buffer::ELEMENT], ElementSize, ElementData, 0);
        glNamedBufferStorage(BufferName[buffer::ATOMIC_COUNTER], sizeof(GLuint), nullptr, 0);
        glNamedBufferStorage(BufferName[buffer::TRANSFORM], sizeof(glm::mat4), nullptr, GL_MAP_WRITE_BIT);

        return Validated;
    }

Example #2

File: gl-430-atomic-counter.cpp Project: Daft-Freak/vogl

bool initBuffer()
{
	bool Validated(true);

	GLint MaxVertexAtomicCounterBuffers(0);
	GLint MaxControlAtomicCounterBuffers(0);
	GLint MaxEvaluationAtomicCounterBuffers(0);
	GLint MaxGeometryAtomicCounterBuffers(0);
	GLint MaxFragmentAtomicCounterBuffers(0);
	GLint MaxCombinedAtomicCounterBuffers(0);

	glGetIntegerv(GL_MAX_VERTEX_ATOMIC_COUNTER_BUFFERS, &MaxVertexAtomicCounterBuffers);
	glGetIntegerv(GL_MAX_TESS_CONTROL_ATOMIC_COUNTER_BUFFERS, &MaxControlAtomicCounterBuffers);
	glGetIntegerv(GL_MAX_TESS_EVALUATION_ATOMIC_COUNTER_BUFFERS, &MaxEvaluationAtomicCounterBuffers);
	glGetIntegerv(GL_MAX_GEOMETRY_ATOMIC_COUNTER_BUFFERS, &MaxGeometryAtomicCounterBuffers);
	glGetIntegerv(GL_MAX_FRAGMENT_ATOMIC_COUNTER_BUFFERS, &MaxFragmentAtomicCounterBuffers);
	glGetIntegerv(GL_MAX_COMBINED_ATOMIC_COUNTER_BUFFERS, &MaxCombinedAtomicCounterBuffers);

	glGenBuffers(buffer::MAX, BufferName);

	glBindBuffer(GL_UNIFORM_BUFFER, BufferName[buffer::TRANSFORM]);
	glBufferData(GL_UNIFORM_BUFFER, sizeof(glm::mat4), 0, GL_DYNAMIC_DRAW);
	glBindBuffer(GL_UNIFORM_BUFFER, 0);

	glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, BufferName[buffer::ELEMENT]);
	glBufferData(GL_ELEMENT_ARRAY_BUFFER, ElementSize, ElementData, GL_STATIC_DRAW);
	glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);

	glBindBuffer(GL_ARRAY_BUFFER, BufferName[buffer::VERTEX]);
	glBufferData(GL_ARRAY_BUFFER, VertexSize, VertexData, GL_STATIC_DRAW);
	glBindBuffer(GL_ARRAY_BUFFER, 0);

	glBindBuffer(GL_ATOMIC_COUNTER_BUFFER, BufferName[buffer::ATOMIC_COUNTER]);
	glBufferData(GL_ATOMIC_COUNTER_BUFFER, sizeof(GLuint), NULL, GL_DYNAMIC_COPY);
	glBindBuffer(GL_ATOMIC_COUNTER_BUFFER, 0);

	return Validated;
}