You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

868 lines
34 KiB

/*
This file is part of Magnum.
Copyright © 2010, 2011, 2012, 2013 Vladimír Vondruš <mosra@centrum.cz>
Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the "Software"),
to deal in the Software without restriction, including without limitation
the rights to use, copy, modify, merge, publish, distribute, sublicense,
and/or sell copies of the Software, and to permit persons to whom the
Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
*/
#include "BufferImage.h"
#include "ColorFormat.h"
#include "Context.h"
#include "Extensions.h"
#include "Framebuffer.h"
#include "Image.h"
#include "Renderbuffer.h"
#include "RenderbufferFormat.h"
#include "Texture.h"
#include "TextureFormat.h"
#include "Test/AbstractOpenGLTester.h"
namespace Magnum { namespace Test {
class FramebufferGLTest: public AbstractOpenGLTester {
public:
explicit FramebufferGLTest();
void construct();
void constructCopy();
void constructMove();
void label();
void attachRenderbuffer();
void attachRenderbufferMultisample();
#ifndef MAGNUM_TARGET_GLES
void attachTexture1D();
#endif
void attachTexture2D();
void attachTexture3D();
#ifndef MAGNUM_TARGET_GLES
void attachTexture1DArray();
#endif
#ifndef MAGNUM_TARGET_GLES2
void attachTexture2DArray();
#endif
#ifndef MAGNUM_TARGET_GLES
void attachTexture2DMultisample();
void attachTexture2DMultisampleArray();
void attachRectangleTexture();
#endif
void attachCubeMapTexture();
#ifndef MAGNUM_TARGET_GLES
void attachCubeMapTextureArray();
#endif
void multipleColorOutputs();
void clear();
void invalidate();
void invalidateSub();
void read();
#ifndef MAGNUM_TARGET_GLES2
void readBuffer();
#endif
void blit();
};
FramebufferGLTest::FramebufferGLTest() {
addTests({&FramebufferGLTest::construct,
&FramebufferGLTest::constructCopy,
&FramebufferGLTest::constructMove,
&FramebufferGLTest::label,
&FramebufferGLTest::attachRenderbuffer,
&FramebufferGLTest::attachRenderbufferMultisample,
#ifndef MAGNUM_TARGET_GLES
&FramebufferGLTest::attachTexture1D,
#endif
&FramebufferGLTest::attachTexture2D,
&FramebufferGLTest::attachTexture3D,
#ifndef MAGNUM_TARGET_GLES
&FramebufferGLTest::attachTexture1DArray,
#endif
#ifndef MAGNUM_TARGET_GLES2
&FramebufferGLTest::attachTexture2DArray,
#endif
#ifndef MAGNUM_TARGET_GLES
&FramebufferGLTest::attachTexture2DMultisample,
&FramebufferGLTest::attachTexture2DMultisampleArray,
&FramebufferGLTest::attachRectangleTexture,
#endif
&FramebufferGLTest::attachCubeMapTexture,
#ifndef MAGNUM_TARGET_GLES
&FramebufferGLTest::attachCubeMapTextureArray,
#endif
&FramebufferGLTest::multipleColorOutputs,
&FramebufferGLTest::clear,
&FramebufferGLTest::invalidate,
&FramebufferGLTest::invalidateSub,
&FramebufferGLTest::read,
#ifndef MAGNUM_TARGET_GLES2
&FramebufferGLTest::readBuffer,
#endif
&FramebufferGLTest::blit});
}
void FramebufferGLTest::construct() {
#ifndef MAGNUM_TARGET_GLES
if(!Context::current()->isExtensionSupported<Extensions::GL::ARB::framebuffer_object>())
CORRADE_SKIP(Extensions::GL::ARB::framebuffer_object::string() + std::string(" is not available."));
#endif
{
const Framebuffer framebuffer({{32, 16}, {128, 256}});
MAGNUM_VERIFY_NO_ERROR();
CORRADE_VERIFY(framebuffer.id() > 0);
CORRADE_COMPARE(framebuffer.viewport(), Range2Di({32, 16}, {128, 256}));
}
MAGNUM_VERIFY_NO_ERROR();
}
void FramebufferGLTest::constructCopy() {
CORRADE_VERIFY(!(std::is_constructible<Framebuffer, const Framebuffer&>{}));
/* GCC 4.6 doesn't have std::is_assignable */
#ifndef CORRADE_GCC46_COMPATIBILITY
CORRADE_VERIFY(!(std::is_assignable<Framebuffer, const Framebuffer&>{}));
#endif
}
void FramebufferGLTest::constructMove() {
#ifndef MAGNUM_TARGET_GLES
if(!Context::current()->isExtensionSupported<Extensions::GL::ARB::framebuffer_object>())
CORRADE_SKIP(Extensions::GL::ARB::framebuffer_object::string() + std::string(" is not available."));
#endif
Framebuffer a({{32, 16}, {128, 256}});
const Int id = a.id();
MAGNUM_VERIFY_NO_ERROR();
CORRADE_VERIFY(id > 0);
Framebuffer b(std::move(a));
CORRADE_COMPARE(a.id(), 0);
CORRADE_COMPARE(b.id(), id);
CORRADE_COMPARE(b.viewport(), Range2Di({32, 16}, {128, 256}));
Framebuffer c({{128, 256}, {32, 16}});
const Int cId = c.id();
c = std::move(b);
MAGNUM_VERIFY_NO_ERROR();
CORRADE_VERIFY(cId > 0);
CORRADE_COMPARE(b.id(), cId);
CORRADE_COMPARE(c.id(), id);
CORRADE_COMPARE(c.viewport(), Range2Di({32, 16}, {128, 256}));
}
void FramebufferGLTest::label() {
#ifndef MAGNUM_TARGET_GLES
if(!Context::current()->isExtensionSupported<Extensions::GL::ARB::framebuffer_object>())
CORRADE_SKIP(Extensions::GL::ARB::framebuffer_object::string() + std::string(" is not available."));
#endif
/* No-Op version is tested in AbstractObjectGLTest */
if(!Context::current()->isExtensionSupported<Extensions::GL::KHR::debug>() &&
!Context::current()->isExtensionSupported<Extensions::GL::EXT::debug_label>())
CORRADE_SKIP("Required extension is not available");
Framebuffer framebuffer({{}, Vector2i(32)});
CORRADE_COMPARE(framebuffer.label(), "");
MAGNUM_VERIFY_NO_ERROR();
framebuffer.setLabel("MyFramebuffer");
MAGNUM_VERIFY_NO_ERROR();
CORRADE_COMPARE(framebuffer.label(), "MyFramebuffer");
}
void FramebufferGLTest::attachRenderbuffer() {
#ifndef MAGNUM_TARGET_GLES
if(!Context::current()->isExtensionSupported<Extensions::GL::ARB::framebuffer_object>())
CORRADE_SKIP(Extensions::GL::ARB::framebuffer_object::string() + std::string(" is not available."));
#endif
Renderbuffer color;
#ifndef MAGNUM_TARGET_GLES2
color.setStorage(RenderbufferFormat::RGBA8, Vector2i(128));
#else
color.setStorage(RenderbufferFormat::RGBA4, Vector2i(128));
#endif
/* Separate depth and stencil renderbuffers are not supported (or at least
on my NVidia, thus we need to do this juggling with one renderbuffer */
Renderbuffer depthStencil;
#ifdef MAGNUM_TARGET_GLES2
if(Context::current()->isExtensionSupported<Extensions::GL::OES::packed_depth_stencil>())
#endif
{
#ifdef MAGNUM_TARGET_GLES2
Debug() << "Using" << Extensions::GL::OES::packed_depth_stencil::string();
#endif
depthStencil.setStorage(RenderbufferFormat::Depth24Stencil8, Vector2i(128));
}
#ifdef MAGNUM_TARGET_GLES2
else depthStencil.setStorage(RenderbufferFormat::DepthComponent16, Vector2i(128));
#endif
Framebuffer framebuffer({{}, Vector2i(128)});
framebuffer.attachRenderbuffer(Framebuffer::ColorAttachment(0), color)
.attachRenderbuffer(Framebuffer::BufferAttachment::Depth, depthStencil);
#ifdef MAGNUM_TARGET_GLES2
if(Context::current()->isExtensionSupported<Extensions::GL::OES::packed_depth_stencil>())
#endif
{
framebuffer.attachRenderbuffer(Framebuffer::BufferAttachment::Stencil, depthStencil);
}
MAGNUM_VERIFY_NO_ERROR();
CORRADE_COMPARE(framebuffer.checkStatus(FramebufferTarget::ReadDraw), Framebuffer::Status::Complete);
}
void FramebufferGLTest::attachRenderbufferMultisample() {
#ifndef MAGNUM_TARGET_GLES
if(!Context::current()->isExtensionSupported<Extensions::GL::ARB::framebuffer_object>())
CORRADE_SKIP(Extensions::GL::ARB::framebuffer_object::string() + std::string(" is not available."));
#elif defined(MAGNUM_TARGET_GLES2)
if(!Context::current()->isExtensionSupported<Extensions::GL::ANGLE::framebuffer_multisample>() &&
!Context::current()->isExtensionSupported<Extensions::GL::NV::framebuffer_multisample>())
CORRADE_SKIP("Required extension is not available.");
#endif
Renderbuffer color;
#ifndef MAGNUM_TARGET_GLES2
color.setStorageMultisample(Renderbuffer::maxSamples(), RenderbufferFormat::RGBA8, Vector2i(128));
#else
color.setStorageMultisample(Renderbuffer::maxSamples(), RenderbufferFormat::RGBA4, Vector2i(128));
#endif
#ifdef MAGNUM_TARGET_GLES2
MAGNUM_ASSERT_EXTENSION_SUPPORTED(Extensions::GL::OES::packed_depth_stencil);
#endif
Renderbuffer depthStencil;
depthStencil.setStorageMultisample(Renderbuffer::maxSamples(), RenderbufferFormat::Depth24Stencil8, Vector2i(128));
Framebuffer framebuffer({{}, Vector2i(128)});
framebuffer.attachRenderbuffer(Framebuffer::ColorAttachment(0), color)
#ifndef MAGNUM_TARGET_GLES2
.attachRenderbuffer(Framebuffer::BufferAttachment::DepthStencil, depthStencil);
#else
.attachRenderbuffer(Framebuffer::BufferAttachment::Depth, depthStencil)
.attachRenderbuffer(Framebuffer::BufferAttachment::Stencil, depthStencil);
#endif
MAGNUM_VERIFY_NO_ERROR();
CORRADE_COMPARE(framebuffer.checkStatus(FramebufferTarget::ReadDraw), Framebuffer::Status::Complete);
}
#ifndef MAGNUM_TARGET_GLES
void FramebufferGLTest::attachTexture1D() {
if(!Context::current()->isExtensionSupported<Extensions::GL::ARB::framebuffer_object>())
CORRADE_SKIP(Extensions::GL::ARB::framebuffer_object::string() + std::string(" is not available."));
Texture1D color;
color.setStorage(1, TextureFormat::RGBA8, 128);
Texture1D depthStencil;
depthStencil.setStorage(1, TextureFormat::Depth24Stencil8, 128);
Framebuffer framebuffer({{}, {128, 1}});
framebuffer.attachTexture1D(Framebuffer::ColorAttachment(0), color, 0)
.attachTexture1D(Framebuffer::BufferAttachment::DepthStencil, depthStencil, 0);
MAGNUM_VERIFY_NO_ERROR();
CORRADE_COMPARE(framebuffer.checkStatus(FramebufferTarget::ReadDraw), Framebuffer::Status::Complete);
}
#endif
void FramebufferGLTest::attachTexture2D() {
#ifndef MAGNUM_TARGET_GLES
if(!Context::current()->isExtensionSupported<Extensions::GL::ARB::framebuffer_object>())
CORRADE_SKIP(Extensions::GL::ARB::framebuffer_object::string() + std::string(" is not available."));
#endif
MAGNUM_VERIFY_NO_ERROR();
Framebuffer framebuffer({{}, Vector2i(128)});
MAGNUM_VERIFY_NO_ERROR();
Texture2D color;
#ifndef MAGNUM_TARGET_GLES2
color.setStorage(1, TextureFormat::RGBA8, Vector2i(128));
#else
color.setStorage(1, TextureFormat::RGBA, Vector2i(128));
#endif
MAGNUM_VERIFY_NO_ERROR();
framebuffer.attachTexture2D(Framebuffer::ColorAttachment(0), color, 0);
MAGNUM_VERIFY_NO_ERROR();
#ifdef MAGNUM_TARGET_GLES2
if(Context::current()->isExtensionSupported<Extensions::GL::OES::packed_depth_stencil>())
#endif
{
#ifdef MAGNUM_TARGET_GLES2
Debug() << "Using" << Extensions::GL::OES::packed_depth_stencil::string();
#endif
Texture2D depthStencil;
#ifndef MAGNUM_TARGET_GLES2
depthStencil.setStorage(1, TextureFormat::Depth24Stencil8, Vector2i(128));
framebuffer.attachTexture2D(Framebuffer::BufferAttachment::DepthStencil, depthStencil, 0);
#else
depthStencil.setStorage(1, TextureFormat::DepthStencil, Vector2i(128));
framebuffer.attachTexture2D(Framebuffer::BufferAttachment::Depth, depthStencil, 0)
.attachTexture2D(Framebuffer::BufferAttachment::Stencil, depthStencil, 0);
#endif
}
#ifdef MAGNUM_TARGET_GLES2
else if(Context::current()->isExtensionSupported<Extensions::GL::OES::depth_texture>()) {
Debug() << "Using" << Extensions::GL::OES::depth_texture::string();
Texture2D depth;
depth.setStorage(1, TextureFormat::DepthComponent16, Vector2i(128));
framebuffer.attachTexture2D(Framebuffer::BufferAttachment::Depth, depth, 0);
}
#endif
MAGNUM_VERIFY_NO_ERROR();
CORRADE_COMPARE(framebuffer.checkStatus(FramebufferTarget::ReadDraw), Framebuffer::Status::Complete);
}
void FramebufferGLTest::attachTexture3D() {
#ifndef MAGNUM_TARGET_GLES
if(!Context::current()->isExtensionSupported<Extensions::GL::ARB::framebuffer_object>())
CORRADE_SKIP(Extensions::GL::ARB::framebuffer_object::string() + std::string(" is not available."));
#elif defined(MAGNUM_TARGET_GLES2)
if(!Context::current()->isExtensionSupported<Extensions::GL::OES::texture_3D>())
CORRADE_SKIP(Extensions::GL::OES::texture_3D::string() + std::string(" is not available."));
#else
CORRADE_SKIP("Not properly implemented yet.");
#endif
Texture3D color;
#ifndef MAGNUM_TARGET_GLES2
color.setStorage(1, TextureFormat::RGBA8, Vector3i(128));
#else
color.setStorage(1, TextureFormat::RGBA4, Vector3i(128));
#endif
Framebuffer framebuffer({{}, Vector2i(128)});
framebuffer.attachTexture3D(Framebuffer::ColorAttachment(0), color, 0, 0);
MAGNUM_VERIFY_NO_ERROR();
CORRADE_COMPARE(framebuffer.checkStatus(FramebufferTarget::ReadDraw), Framebuffer::Status::Complete);
}
#ifndef MAGNUM_TARGET_GLES
void FramebufferGLTest::attachTexture1DArray() {
if(!Context::current()->isExtensionSupported<Extensions::GL::ARB::framebuffer_object>())
CORRADE_SKIP(Extensions::GL::ARB::framebuffer_object::string() + std::string(" is not available."));
Texture2D color(Texture2D::Target::Texture1DArray);
color.setStorage(1, TextureFormat::RGBA8, {128, 8});
Texture2D depthStencil(Texture2D::Target::Texture1DArray);
depthStencil.setStorage(1, TextureFormat::Depth24Stencil8, {128, 8});
Framebuffer framebuffer({{}, {128, 1}});
framebuffer.attachTexture2D(Framebuffer::ColorAttachment(0), color, 0)
.attachTexture2D(Framebuffer::BufferAttachment::DepthStencil, depthStencil, 0);
CORRADE_EXPECT_FAIL("Not properly implemented yet.");
MAGNUM_VERIFY_NO_ERROR();
CORRADE_COMPARE(framebuffer.checkStatus(FramebufferTarget::ReadDraw), Framebuffer::Status::Complete);
}
#endif
#ifndef MAGNUM_TARGET_GLES2
void FramebufferGLTest::attachTexture2DArray() {
#ifndef MAGNUM_TARGET_GLES
if(!Context::current()->isExtensionSupported<Extensions::GL::ARB::framebuffer_object>())
CORRADE_SKIP(Extensions::GL::ARB::framebuffer_object::string() + std::string(" is not available."));
#else
CORRADE_SKIP("Not properly implemented yet.");
#endif
Texture3D color(Texture3D::Target::Texture2DArray);
color.setStorage(1, TextureFormat::RGBA8, {128, 128, 8});
Texture3D depthStencil(Texture3D::Target::Texture2DArray);
depthStencil.setStorage(1, TextureFormat::Depth24Stencil8, {128, 128, 8});
Framebuffer framebuffer({{}, Vector2i(128)});
framebuffer.attachTexture3D(Framebuffer::ColorAttachment(0), color, 0, 0)
.attachTexture3D(Framebuffer::BufferAttachment::DepthStencil, depthStencil, 0, 0);
CORRADE_EXPECT_FAIL("Not properly implemented yet.");
MAGNUM_VERIFY_NO_ERROR();
CORRADE_COMPARE(framebuffer.checkStatus(FramebufferTarget::ReadDraw), Framebuffer::Status::Complete);
}
#endif
#ifndef MAGNUM_TARGET_GLES
void FramebufferGLTest::attachTexture2DMultisample() {
CORRADE_SKIP("Multisample textures are not implemented yet.");
}
void FramebufferGLTest::attachTexture2DMultisampleArray() {
CORRADE_SKIP("Multisample textures are not implemented yet.");
}
void FramebufferGLTest::attachRectangleTexture() {
if(!Context::current()->isExtensionSupported<Extensions::GL::ARB::framebuffer_object>())
CORRADE_SKIP(Extensions::GL::ARB::framebuffer_object::string() + std::string(" is not available."));
if(!Context::current()->isExtensionSupported<Extensions::GL::ARB::texture_rectangle>())
CORRADE_SKIP(Extensions::GL::ARB::texture_rectangle::string() + std::string(" is not available."));
Texture2D color(Texture2D::Target::Rectangle);
color.setStorage(1, TextureFormat::RGBA8, Vector2i(128));
Texture2D depthStencil(Texture2D::Target::Rectangle);
depthStencil.setStorage(1, TextureFormat::Depth24Stencil8, Vector2i(128));
Framebuffer framebuffer({{}, Vector2i(128)});
framebuffer.attachTexture2D(Framebuffer::ColorAttachment(0), color, 0)
.attachTexture2D(Framebuffer::BufferAttachment::DepthStencil, depthStencil, 0);
MAGNUM_VERIFY_NO_ERROR();
CORRADE_COMPARE(framebuffer.checkStatus(FramebufferTarget::ReadDraw), Framebuffer::Status::Complete);
}
#endif
void FramebufferGLTest::attachCubeMapTexture() {
#ifndef MAGNUM_TARGET_GLES
if(!Context::current()->isExtensionSupported<Extensions::GL::ARB::framebuffer_object>())
CORRADE_SKIP(Extensions::GL::ARB::framebuffer_object::string() + std::string(" is not available."));
#endif
Framebuffer framebuffer({{}, Vector2i(128)});
CubeMapTexture color;
#ifndef MAGNUM_TARGET_GLES2
color.setStorage(1, TextureFormat::RGBA8, Vector2i(128));
#else
color.setStorage(1, TextureFormat::RGBA, Vector2i(128));
#endif
framebuffer.attachCubeMapTexture(Framebuffer::ColorAttachment(0), color, CubeMapTexture::Coordinate::NegativeZ, 0);
CubeMapTexture depthStencil;
#ifdef MAGNUM_TARGET_GLES2
if(Context::current()->isExtensionSupported<Extensions::GL::OES::packed_depth_stencil>())
#endif
{
#ifdef MAGNUM_TARGET_GLES2
Debug() << "Using" << Extensions::GL::OES::packed_depth_stencil::string();
#endif
#ifndef MAGNUM_TARGET_GLES2
depthStencil.setStorage(1, TextureFormat::Depth24Stencil8, Vector2i(128));
framebuffer.attachCubeMapTexture(Framebuffer::BufferAttachment::DepthStencil, depthStencil, CubeMapTexture::Coordinate::NegativeZ, 0);
#else
depthStencil.setStorage(1, TextureFormat::DepthStencil, Vector2i(128));
framebuffer.attachCubeMapTexture(Framebuffer::BufferAttachment::Depth, depthStencil, CubeMapTexture::Coordinate::NegativeZ, 0)
.attachCubeMapTexture(Framebuffer::BufferAttachment::Stencil, depthStencil, CubeMapTexture::Coordinate::NegativeZ, 0);
#endif
}
#ifdef MAGNUM_TARGET_GLES2
else if(Context::current()->isExtensionSupported<Extensions::GL::OES::depth_texture>()) {
Debug() << "Using" << Extensions::GL::OES::depth_texture::string();
depthStencil.setStorage(1, TextureFormat::DepthComponent16, Vector2i(128));
framebuffer.attachCubeMapTexture(Framebuffer::BufferAttachment::Depth, depthStencil, CubeMapTexture::Coordinate::NegativeZ, 0);
}
#endif
MAGNUM_VERIFY_NO_ERROR();
CORRADE_COMPARE(framebuffer.checkStatus(FramebufferTarget::ReadDraw), Framebuffer::Status::Complete);
}
#ifndef MAGNUM_TARGET_GLES
void FramebufferGLTest::attachCubeMapTextureArray() {
CORRADE_SKIP("Not implemented yet.");
}
#endif
void FramebufferGLTest::multipleColorOutputs() {
#ifndef MAGNUM_TARGET_GLES
if(!Context::current()->isExtensionSupported<Extensions::GL::ARB::framebuffer_object>())
CORRADE_SKIP(Extensions::GL::ARB::framebuffer_object::string() + std::string(" is not available."));
#elif defined(MAGNUM_TARGET_GLES2)
if(!Context::current()->isExtensionSupported<Extensions::GL::NV::draw_buffers>())
CORRADE_SKIP(Extensions::GL::NV::draw_buffers::string() + std::string(" is not available."));
#endif
Texture2D color1;
#ifndef MAGNUM_TARGET_GLES2
color1.setStorage(1, TextureFormat::RGBA8, Vector2i(128));
#else
color1.setStorage(1, TextureFormat::RGBA, Vector2i(128));
#endif
Texture2D color2;
#ifndef MAGNUM_TARGET_GLES2
color2.setStorage(1, TextureFormat::RGBA8, Vector2i(128));
#else
color2.setStorage(1, TextureFormat::RGBA, Vector2i(128));
#endif
Renderbuffer depth;
depth.setStorage(RenderbufferFormat::DepthComponent16, Vector2i(128));
Framebuffer framebuffer({{}, Vector2i(128)});
framebuffer.attachTexture2D(Framebuffer::ColorAttachment(0), color1, 0)
.attachTexture2D(Framebuffer::ColorAttachment(1), color2, 0)
.attachRenderbuffer(Framebuffer::BufferAttachment::Depth, depth)
.mapForDraw({{0, Framebuffer::ColorAttachment(1)},
{1, Framebuffer::ColorAttachment(0)}});
#ifdef MAGNUM_TARGET_GLES2
if(Context::current()->isExtensionSupported<Extensions::GL::NV::read_buffer>())
#endif
{
#ifdef MAGNUM_TARGET_GLES2
Debug() << "Using" << Extensions::GL::NV::read_buffer::string();
#endif
framebuffer.mapForRead(Framebuffer::ColorAttachment(1));
}
MAGNUM_VERIFY_NO_ERROR();
CORRADE_COMPARE(framebuffer.checkStatus(FramebufferTarget::ReadDraw), Framebuffer::Status::Complete);
}
void FramebufferGLTest::clear() {
Renderbuffer color;
#ifndef MAGNUM_TARGET_GLES2
color.setStorage(RenderbufferFormat::RGBA8, Vector2i(128));
#else
color.setStorage(RenderbufferFormat::RGBA4, Vector2i(128));
#endif
/* Separate depth and stencil renderbuffers are not supported (or at least
on my NVidia, thus we need to do this juggling with one renderbuffer */
Renderbuffer depthStencil;
#ifdef MAGNUM_TARGET_GLES2
if(Context::current()->isExtensionSupported<Extensions::GL::OES::packed_depth_stencil>())
#endif
{
#ifdef MAGNUM_TARGET_GLES2
Debug() << "Using" << Extensions::GL::OES::packed_depth_stencil::string();
#endif
depthStencil.setStorage(RenderbufferFormat::Depth24Stencil8, Vector2i(128));
}
#ifdef MAGNUM_TARGET_GLES2
else depthStencil.setStorage(RenderbufferFormat::DepthComponent16, Vector2i(128));
#endif
Framebuffer framebuffer({{}, Vector2i(128)});
framebuffer.attachRenderbuffer(Framebuffer::ColorAttachment(0), color)
.attachRenderbuffer(Framebuffer::BufferAttachment::Depth, depthStencil);
#ifdef MAGNUM_TARGET_GLES2
if(Context::current()->isExtensionSupported<Extensions::GL::OES::packed_depth_stencil>())
#endif
{
framebuffer.attachRenderbuffer(Framebuffer::BufferAttachment::Stencil, depthStencil);
}
MAGNUM_VERIFY_NO_ERROR();
CORRADE_COMPARE(framebuffer.checkStatus(FramebufferTarget::Draw), Framebuffer::Status::Complete);
framebuffer.clear(FramebufferClear::Color|FramebufferClear::Depth|FramebufferClear::Stencil);
MAGNUM_VERIFY_NO_ERROR();
}
void FramebufferGLTest::invalidate() {
#ifndef MAGNUM_TARGET_GLES
if(!Context::current()->isExtensionSupported<Extensions::GL::ARB::framebuffer_object>())
CORRADE_SKIP(Extensions::GL::ARB::framebuffer_object::string() + std::string(" is not available."));
if(!Context::current()->isExtensionSupported<Extensions::GL::ARB::invalidate_subdata>())
CORRADE_SKIP(Extensions::GL::ARB::invalidate_subdata::string() + std::string(" is not available."));
#elif defined(MAGNUM_TARGET_GLES2)
if(!Context::current()->isExtensionSupported<Extensions::GL::EXT::discard_framebuffer>())
CORRADE_SKIP(Extensions::GL::EXT::discard_framebuffer::string() + std::string(" is not available."));
#endif
Renderbuffer color;
#ifndef MAGNUM_TARGET_GLES2
color.setStorage(RenderbufferFormat::RGBA8, Vector2i(128));
#else
color.setStorage(RenderbufferFormat::RGBA4, Vector2i(128));
#endif
Renderbuffer stencil;
stencil.setStorage(RenderbufferFormat::StencilIndex8, Vector2i(128));
Framebuffer framebuffer({{}, Vector2i(128)});
framebuffer.attachRenderbuffer(Framebuffer::ColorAttachment(0), color)
.attachRenderbuffer(Framebuffer::BufferAttachment::Stencil, stencil);
MAGNUM_VERIFY_NO_ERROR();
framebuffer.invalidate({Framebuffer::InvalidationAttachment::Depth, Framebuffer::ColorAttachment(0)});
MAGNUM_VERIFY_NO_ERROR();
}
void FramebufferGLTest::invalidateSub() {
#ifndef MAGNUM_TARGET_GLES
if(!Context::current()->isExtensionSupported<Extensions::GL::ARB::framebuffer_object>())
CORRADE_SKIP(Extensions::GL::ARB::framebuffer_object::string() + std::string(" is not available."));
if(!Context::current()->isExtensionSupported<Extensions::GL::ARB::invalidate_subdata>())
CORRADE_SKIP(Extensions::GL::ARB::invalidate_subdata::string() + std::string(" is not available."));
#elif defined(MAGNUM_TARGET_GLES2)
if(!Context::current()->isExtensionSupported<Extensions::GL::EXT::discard_framebuffer>())
CORRADE_SKIP(Extensions::GL::EXT::discard_framebuffer::string() + std::string(" is not available."));
#endif
Renderbuffer color;
#ifndef MAGNUM_TARGET_GLES2
color.setStorage(RenderbufferFormat::RGBA8, Vector2i(128));
#else
color.setStorage(RenderbufferFormat::RGBA4, Vector2i(128));
#endif
Renderbuffer depth;
depth.setStorage(RenderbufferFormat::DepthComponent16, Vector2i(128));
Framebuffer framebuffer({{}, Vector2i(128)});
framebuffer.attachRenderbuffer(Framebuffer::ColorAttachment(0), color)
.attachRenderbuffer(Framebuffer::BufferAttachment::Depth, depth);
MAGNUM_VERIFY_NO_ERROR();
CORRADE_COMPARE(framebuffer.checkStatus(FramebufferTarget::ReadDraw), Framebuffer::Status::Complete);
framebuffer.invalidate({Framebuffer::InvalidationAttachment::Depth, Framebuffer::ColorAttachment(0)},
{{32, 16}, {79, 64}});
MAGNUM_VERIFY_NO_ERROR();
}
void FramebufferGLTest::read() {
#ifndef MAGNUM_TARGET_GLES
if(!Context::current()->isExtensionSupported<Extensions::GL::ARB::framebuffer_object>())
CORRADE_SKIP(Extensions::GL::ARB::framebuffer_object::string() + std::string(" is not available."));
#endif
Renderbuffer color;
#ifndef MAGNUM_TARGET_GLES2
color.setStorage(RenderbufferFormat::RGBA8, Vector2i(128));
#else
color.setStorage(RenderbufferFormat::RGBA4, Vector2i(128));
#endif
/* Separate depth and stencil renderbuffers are not supported (or at least
on my NVidia, thus we need to do this juggling with one renderbuffer */
Renderbuffer depthStencil;
#ifdef MAGNUM_TARGET_GLES2
if(Context::current()->isExtensionSupported<Extensions::GL::OES::packed_depth_stencil>())
#endif
{
#ifdef MAGNUM_TARGET_GLES2
Debug() << "Using" << Extensions::GL::OES::packed_depth_stencil::string();
#endif
depthStencil.setStorage(RenderbufferFormat::Depth24Stencil8, Vector2i(128));
}
#ifdef MAGNUM_TARGET_GLES2
else depthStencil.setStorage(RenderbufferFormat::DepthComponent16, Vector2i(128));
#endif
Framebuffer framebuffer({{}, Vector2i(128)});
framebuffer.attachRenderbuffer(Framebuffer::ColorAttachment(0), color)
.attachRenderbuffer(Framebuffer::BufferAttachment::Depth, depthStencil);
#ifdef MAGNUM_TARGET_GLES2
if(Context::current()->isExtensionSupported<Extensions::GL::OES::packed_depth_stencil>())
#endif
{
framebuffer.attachRenderbuffer(Framebuffer::BufferAttachment::Stencil, depthStencil);
}
MAGNUM_VERIFY_NO_ERROR();
CORRADE_COMPARE(framebuffer.checkStatus(FramebufferTarget::ReadDraw), Framebuffer::Status::Complete);
Renderer::setClearColor(Math::normalize<Color4>(Color4ub(128, 64, 32, 17)));
Renderer::setClearDepth(Math::normalize<Float, UnsignedShort>(48352));
Renderer::setClearStencil(67);
framebuffer.clear(FramebufferClear::Color|FramebufferClear::Depth|FramebufferClear::Stencil);
Image2D colorImage(ColorFormat::RGBA, ColorType::UnsignedByte);
framebuffer.read({16, 8}, {8, 16}, colorImage);
CORRADE_COMPARE(colorImage.size(), Vector2i(8, 16));
MAGNUM_VERIFY_NO_ERROR();
CORRADE_COMPARE(colorImage.data<Color4ub>()[0], Color4ub(128, 64, 32, 17));
#ifdef MAGNUM_TARGET_GLES
if(Context::current()->isExtensionSupported<Extensions::GL::NV::read_depth>())
#endif
{
#ifdef MAGNUM_TARGET_GLES
Debug() << "Using" << Extensions::GL::NV::read_depth::string();
#endif
Image2D depthImage(ColorFormat::DepthComponent, ColorType::UnsignedShort);
framebuffer.read({}, Vector2i(1), depthImage);
MAGNUM_VERIFY_NO_ERROR();
CORRADE_COMPARE(depthImage.data<UnsignedShort>()[0], 48352);
}
#ifdef MAGNUM_TARGET_GLES
if(Context::current()->isExtensionSupported<Extensions::GL::NV::read_stencil>())
#endif
{
#ifdef MAGNUM_TARGET_GLES
Debug() << "Using" << Extensions::GL::NV::read_stencil::string();
#endif
Image2D stencilImage(ColorFormat::StencilIndex, ColorType::UnsignedByte);
framebuffer.read({}, Vector2i(1), stencilImage);
MAGNUM_VERIFY_NO_ERROR();
CORRADE_COMPARE(stencilImage.data<UnsignedByte>()[0], 67);
}
#ifdef MAGNUM_TARGET_GLES
if(Context::current()->isExtensionSupported<Extensions::GL::NV::read_depth_stencil>())
#endif
{
#ifdef MAGNUM_TARGET_GLES
Debug() << "Using" << Extensions::GL::NV::read_depth_stencil::string();
#endif
Image2D depthStencilImage(ColorFormat::DepthStencil, ColorType::UnsignedInt248);
framebuffer.read({}, Vector2i(1), depthStencilImage);
MAGNUM_VERIFY_NO_ERROR();
/** @todo This will probably fail on different systems */
CORRADE_COMPARE(depthStencilImage.data<UnsignedInt>()[0] >> 8, 12378300);
CORRADE_COMPARE(depthStencilImage.data<UnsignedByte>()[0], 67);
}
}
#ifndef MAGNUM_TARGET_GLES2
void FramebufferGLTest::readBuffer() {
#ifndef MAGNUM_TARGET_GLES
if(!Context::current()->isExtensionSupported<Extensions::GL::ARB::framebuffer_object>())
CORRADE_SKIP(Extensions::GL::ARB::framebuffer_object::string() + std::string(" is not available."));
#endif
Renderbuffer color;
color.setStorage(RenderbufferFormat::RGBA8, Vector2i(128));
Renderbuffer depthStencil;
depthStencil.setStorage(RenderbufferFormat::Depth24Stencil8, Vector2i(128));
Framebuffer framebuffer({{}, Vector2i(128)});
framebuffer.attachRenderbuffer(Framebuffer::ColorAttachment(0), color)
.attachRenderbuffer(Framebuffer::BufferAttachment::DepthStencil, depthStencil);
MAGNUM_VERIFY_NO_ERROR();
CORRADE_COMPARE(framebuffer.checkStatus(FramebufferTarget::ReadDraw), Framebuffer::Status::Complete);
Renderer::setClearColor(Math::normalize<Color4>(Color4ub(128, 64, 32, 17)));
Renderer::setClearDepth(Math::normalize<Float, UnsignedShort>(48352));
Renderer::setClearStencil(67);
framebuffer.clear(FramebufferClear::Color|FramebufferClear::Depth|FramebufferClear::Stencil);
BufferImage2D colorImage(ColorFormat::RGBA, ColorType::UnsignedByte);
framebuffer.read({16, 8}, {8, 16}, colorImage, BufferUsage::StaticRead);
CORRADE_COMPARE(colorImage.size(), Vector2i(8, 16));
MAGNUM_VERIFY_NO_ERROR();
/** @todo How to test this on ES? */
#ifndef MAGNUM_TARGET_GLES
const auto colorData = colorImage.buffer().data<Color4ub>();
CORRADE_COMPARE(colorData.size(), 8*16);
CORRADE_COMPARE(colorData[0], Color4ub(128, 64, 32, 17));
#endif
}
#endif
void FramebufferGLTest::blit() {
#ifndef MAGNUM_TARGET_GLES
if(!Context::current()->isExtensionSupported<Extensions::GL::ARB::framebuffer_object>())
CORRADE_SKIP(Extensions::GL::ARB::framebuffer_object::string() + std::string(" is not available."));
#elif defined(MAGNUM_TARGET_GLES2)
if(!Context::current()->isExtensionSupported<Extensions::GL::NV::framebuffer_blit>() &&
!Context::current()->isExtensionSupported<Extensions::GL::ANGLE::framebuffer_blit>())
CORRADE_SKIP("Required extension is not available.");
#endif
Renderbuffer colorA, colorB;
#ifndef MAGNUM_TARGET_GLES2
colorA.setStorage(RenderbufferFormat::RGBA8, Vector2i(128));
colorB.setStorage(RenderbufferFormat::RGBA8, Vector2i(128));
#else
colorA.setStorage(RenderbufferFormat::RGBA4, Vector2i(128));
colorB.setStorage(RenderbufferFormat::RGBA4, Vector2i(128));
#endif
Framebuffer a({{}, Vector2i(128)}), b({{}, Vector2i(128)});;
a.attachRenderbuffer(Framebuffer::ColorAttachment(0), colorA);
b.attachRenderbuffer(Framebuffer::ColorAttachment(0), colorB);
MAGNUM_VERIFY_NO_ERROR();
CORRADE_COMPARE(a.checkStatus(FramebufferTarget::ReadDraw), Framebuffer::Status::Complete);
CORRADE_COMPARE(b.checkStatus(FramebufferTarget::ReadDraw), Framebuffer::Status::Complete);
/* Clear first with some color and second with another */
Renderer::setClearColor(Math::normalize<Color4>(Color4ub(128, 64, 32, 17)));
a.clear(FramebufferClear::Color);
Renderer::setClearColor({});
b.clear(FramebufferClear::Color);
/* The framebuffer should be black before */
Image2D image(ColorFormat::RGBA, ColorType::UnsignedByte);
b.read({}, Vector2i(1), image);
MAGNUM_VERIFY_NO_ERROR();
CORRADE_COMPARE(image.data<Color4ub>()[0], Color4ub());
/* And have given color after */
Framebuffer::blit(a, b, a.viewport(), FramebufferBlit::ColorBuffer);
b.read({}, Vector2i(1), image);
MAGNUM_VERIFY_NO_ERROR();
CORRADE_COMPARE(image.data<Color4ub>()[0], Color4ub(128, 64, 32, 17));
}
}}
CORRADE_TEST_MAIN(Magnum::Test::FramebufferGLTest)