static void createCube(GrManager& gr, BufferPtr& verts, BufferPtr& indices)
{
static const Array<F32, 8 * 3> pos = {
{1, 1, 1, -1, 1, 1, -1, -1, 1, 1, -1, 1, 1, 1, -1, -1, 1, -1, -1, -1, -1, 1, -1, -1}};
static const Array<U16, 6 * 2 * 3> idx = {
{0, 1, 3, 3, 1, 2, 1, 5, 6, 1, 6, 2, 7, 4, 0, 7, 0, 3, 6, 5, 7, 7, 5, 4, 0, 4, 5, 0, 5, 1, 3, 2, 6, 3, 6, 7}};
verts = gr.newInstance<Buffer>(sizeof(pos), BufferUsageBit::VERTEX, BufferMapAccessBit::WRITE);
void* mapped = verts->map(0, sizeof(pos), BufferMapAccessBit::WRITE);
memcpy(mapped, &pos[0], sizeof(pos));
verts->unmap();
indices = gr.newInstance<Buffer>(sizeof(idx), BufferUsageBit::INDEX, BufferMapAccessBit::WRITE);
mapped = indices->map(0, sizeof(idx), BufferMapAccessBit::WRITE);
memcpy(mapped, &idx[0], sizeof(idx));
indices->unmap();
}
ANKI_TEST(Gr, Buffer)
{
COMMON_BEGIN()
BufferPtr a = gr->newInstance<Buffer>(512, BufferUsageBit::UNIFORM_ALL, BufferMapAccessBit::NONE);
BufferPtr b =
gr->newInstance<Buffer>(64, BufferUsageBit::STORAGE_ALL, BufferMapAccessBit::WRITE | BufferMapAccessBit::READ);
void* ptr = b->map(0, 64, BufferMapAccessBit::WRITE);
ANKI_TEST_EXPECT_NEQ(ptr, nullptr);
U8 ptr2[64];
memset(ptr, 0xCC, 64);
memset(ptr2, 0xCC, 64);
b->unmap();
ptr = b->map(0, 64, BufferMapAccessBit::READ);
ANKI_TEST_EXPECT_NEQ(ptr, nullptr);
ANKI_TEST_EXPECT_EQ(memcmp(ptr, ptr2, 64), 0);
b->unmap();
COMMON_END()
}
ANKI_TEST(Gr, DrawWithUniforms)
{
COMMON_BEGIN()
// A non-uploaded buffer
BufferPtr b = gr->newInstance<Buffer>(sizeof(Vec4) * 3, BufferUsageBit::UNIFORM_ALL, BufferMapAccessBit::WRITE);
Vec4* ptr = static_cast<Vec4*>(b->map(0, sizeof(Vec4) * 3, BufferMapAccessBit::WRITE));
ANKI_TEST_EXPECT_NEQ(ptr, nullptr);
ptr[0] = Vec4(1.0, 0.0, 0.0, 0.0);
ptr[1] = Vec4(0.0, 1.0, 0.0, 0.0);
ptr[2] = Vec4(0.0, 0.0, 1.0, 0.0);
b->unmap();
// Resource group
ResourceGroupInitInfo rcinit;
rcinit.m_uniformBuffers[0].m_buffer = b;
rcinit.m_uniformBuffers[0].m_usage = BufferUsageBit::UNIFORM_ALL_GRAPHICS;
rcinit.m_uniformBuffers[1].m_uploadedMemory = true;
rcinit.m_uniformBuffers[1].m_usage = BufferUsageBit::UNIFORM_ALL_GRAPHICS;
ResourceGroupPtr rc = gr->newInstance<ResourceGroup>(rcinit);
// Ppline
PipelinePtr ppline = createSimplePpline(VERT_UBO_SRC, FRAG_UBO_SRC, *gr);
// FB
FramebufferPtr fb = createDefaultFb(*gr);
const U ITERATION_COUNT = 100;
U iterations = ITERATION_COUNT;
while(iterations--)
{
HighRezTimer timer;
timer.start();
gr->beginFrame();
// Uploaded buffer
TransientMemoryInfo transientInfo;
Vec4* rotMat = static_cast<Vec4*>(gr->allocateFrameTransientMemory(
sizeof(Vec4), BufferUsageBit::UNIFORM_ALL, transientInfo.m_uniformBuffers[1]));
F32 angle = toRad(360.0f / ITERATION_COUNT * iterations);
(*rotMat)[0] = cos(angle);
(*rotMat)[1] = -sin(angle);
(*rotMat)[2] = sin(angle);
(*rotMat)[3] = cos(angle);
CommandBufferInitInfo cinit;
CommandBufferPtr cmdb = gr->newInstance<CommandBuffer>(cinit);
cmdb->setViewport(0, 0, WIDTH, HEIGHT);
cmdb->setPolygonOffset(0.0, 0.0);
cmdb->bindPipeline(ppline);
cmdb->beginRenderPass(fb);
cmdb->bindResourceGroup(rc, 0, &transientInfo);
cmdb->drawArrays(3);
cmdb->endRenderPass();
cmdb->flush();
gr->swapBuffers();
timer.stop();
const F32 TICK = 1.0 / 30.0;
if(timer.getElapsedTime() < TICK)
{
HighRezTimer::sleep(TICK - timer.getElapsedTime());
}
}
COMMON_END()
}