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OpenGL: Fix rendering to a layer of a depth/stencil texture 

Bug: dawn:430
Change-Id: Ifb6c72374707a05054cfef021840bc8305b4f9d7
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/22320
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Jiawei Shao <jiawei.shao@intel.com>
This commit is contained in:
Austin Eng 2020-05-28 08:53:23 +00:00 committed by Commit Bot service account
parent 09987b88f1
commit f874525de3
2 changed files with 40 additions and 14 deletions
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50
src/dawn_native/opengl/CommandBufferGL.cpp
View File

@ -556,12 +556,13 @@ namespace dawn_native { namespace opengl {
auto& copySize = copy->copySize;
Texture* texture = ToBackend(src.texture.Get());
Buffer* buffer = ToBackend(dst.buffer.Get());
const GLFormat& format = texture->GetGLFormat();
const Format& format = texture->GetFormat();
const GLFormat& glFormat = texture->GetGLFormat();
GLenum target = texture->GetGLTarget();
// TODO(jiawei.shao@intel.com): support texture-to-buffer copy with compressed
// texture formats.
if (texture->GetFormat().isCompressed) {
if (format.isCompressed) {
UNREACHABLE();
}
@ -574,16 +575,35 @@ namespace dawn_native { namespace opengl {
GLuint readFBO = 0;
gl.GenFramebuffers(1, &readFBO);
gl.BindFramebuffer(GL_READ_FRAMEBUFFER, readFBO);
GLenum glAttachment = 0;
switch (format.aspect) {
case Format::Aspect::Color:
glAttachment = GL_COLOR_ATTACHMENT0;
break;
case Format::Aspect::Depth:
glAttachment = GL_DEPTH_ATTACHMENT;
break;
case Format::Aspect::Stencil:
glAttachment = GL_STENCIL_ATTACHMENT;
break;
case Format::Aspect::DepthStencil:
glAttachment = GL_DEPTH_STENCIL_ATTACHMENT;
break;
default:
UNREACHABLE();
break;
}
switch (texture->GetDimension()) {
case wgpu::TextureDimension::e2D:
if (texture->GetArrayLayers() > 1) {
gl.FramebufferTextureLayer(
GL_READ_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, texture->GetHandle(),
src.mipLevel, src.arrayLayer);
gl.FramebufferTextureLayer(GL_READ_FRAMEBUFFER, glAttachment,
texture->GetHandle(), src.mipLevel,
src.arrayLayer);
} else {
gl.FramebufferTexture2D(GL_READ_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
GL_TEXTURE_2D, texture->GetHandle(),
src.mipLevel);
gl.FramebufferTexture2D(GL_READ_FRAMEBUFFER, glAttachment, target,
texture->GetHandle(), src.mipLevel);
}
break;
@ -592,13 +612,12 @@ namespace dawn_native { namespace opengl {
}
gl.BindBuffer(GL_PIXEL_PACK_BUFFER, buffer->GetHandle());
gl.PixelStorei(GL_PACK_ROW_LENGTH,
dst.bytesPerRow / texture->GetFormat().blockByteSize);
gl.PixelStorei(GL_PACK_ROW_LENGTH, dst.bytesPerRow / format.blockByteSize);
gl.PixelStorei(GL_PACK_IMAGE_HEIGHT, dst.rowsPerImage);
ASSERT(copySize.depth == 1 && src.origin.z == 0);
void* offset = reinterpret_cast<void*>(static_cast<uintptr_t>(dst.offset));
gl.ReadPixels(src.origin.x, src.origin.y, copySize.width, copySize.height,
format.format, format.type, offset);
glFormat.format, glFormat.type, offset);
gl.PixelStorei(GL_PACK_ROW_LENGTH, 0);
gl.PixelStorei(GL_PACK_IMAGE_HEIGHT, 0);
@ -790,8 +809,15 @@ namespace dawn_native { namespace opengl {
break;
}
if (textureView->GetTexture()->GetArrayLayers() == 1) {
GLenum target = ToBackend(textureView->GetTexture())->GetGLTarget();
gl.FramebufferTexture2D(GL_DRAW_FRAMEBUFFER, glAttachment, target, texture, 0);
gl.FramebufferTexture2D(GL_DRAW_FRAMEBUFFER, glAttachment, target, texture,
textureView->GetBaseMipLevel());
} else {
gl.FramebufferTextureLayer(GL_DRAW_FRAMEBUFFER, glAttachment, texture,
textureView->GetBaseMipLevel(),
textureView->GetBaseArrayLayer());
}
}
}

2
src/tests/end2end/SubresourceOutputAttachmentTests.cpp
View File

@ -155,9 +155,9 @@ TEST_P(SubresourceOutputAttachmentTest, DISABLED_StencilTexture) {
DoTest(Type::Stencil);
}
// TODO(crbug.com/dawn/430): Not implemented on OpenGL
DAWN_INSTANTIATE_TEST(SubresourceOutputAttachmentTest,
D3D12Backend(),
D3D12Backend({}, {"use_d3d12_render_pass"}),
MetalBackend(),
OpenGLBackend(),
VulkanBackend());