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Fix OpenGL over-eager lazy zero initialization for textures

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Bug: dawn:145, dawn:348
Change-Id: I3b6e7b148a171bdcb50bcb825858cbf967c64c87
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/16983
Commit-Queue: Austin Eng <enga@chromium.org>
Reviewed-by: Kai Ninomiya <kainino@chromium.org>
This commit is contained in:
Austin Eng
2020-03-17 01:51:56 +00:00
committed by Commit Bot service account
parent 1cad258869
commit 2550e96724
4 changed files with 83 additions and 43 deletions
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104
src/dawn_native/opengl/TextureGL.cpp
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@@ -184,7 +184,7 @@ namespace dawn_native { namespace opengl {
MaybeError Texture::ClearTexture(GLint baseMipLevel,
GLint levelCount,
GLint baseArrayLayer,
uint32_t layerCount,
GLint layerCount,
TextureBase::ClearValue clearValue) {
// TODO(jiawei.shao@intel.com): initialize the textures with compressed formats.
if (GetFormat().isCompressed) {
@@ -210,19 +210,55 @@ namespace dawn_native { namespace opengl {
gl.StencilMask(GetStencilMaskFromStencilFormat(GetFormat().format));
}
auto DoClear = [&]() {
if (doDepthClear && doStencilClear) {
gl.ClearBufferfi(GL_DEPTH_STENCIL, 0, depth, stencil);
} else if (doDepthClear) {
gl.ClearBufferfv(GL_DEPTH, 0, &depth);
} else if (doStencilClear) {
gl.ClearBufferiv(GL_STENCIL, 0, &stencil);
}
};
GLuint framebuffer = 0;
gl.GenFramebuffers(1, &framebuffer);
gl.BindFramebuffer(GL_DRAW_FRAMEBUFFER, framebuffer);
// TODO(natlee@microsoft.com): clear all mip levels and array layers.
gl.FramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT,
GetGLTarget(), GetHandle(), 0);
if (doDepthClear && doStencilClear) {
gl.ClearBufferfi(GL_DEPTH_STENCIL, 0, depth, stencil);
} else if (doDepthClear) {
gl.ClearBufferfv(GL_DEPTH, 0, &depth);
} else if (doStencilClear) {
gl.ClearBufferiv(GL_STENCIL, 0, &stencil);
for (GLint level = baseMipLevel; level < baseMipLevel + levelCount; ++level) {
switch (GetDimension()) {
case wgpu::TextureDimension::e2D:
if (GetArrayLayers() == 1) {
if (clearValue == TextureBase::ClearValue::Zero &&
IsSubresourceContentInitialized(level, 1, 0, 1)) {
// Skip lazy clears if already initialized.
continue;
}
gl.FramebufferTexture2D(GL_DRAW_FRAMEBUFFER,
GL_DEPTH_STENCIL_ATTACHMENT, GetGLTarget(),
GetHandle(), level);
DoClear();
} else {
for (GLint layer = baseArrayLayer;
layer < baseArrayLayer + layerCount; ++layer) {
if (clearValue == TextureBase::ClearValue::Zero &&
IsSubresourceContentInitialized(level, 1, layer, 1)) {
// Skip lazy clears if already initialized.
continue;
}
gl.FramebufferTextureLayer(GL_DRAW_FRAMEBUFFER,
GL_DEPTH_STENCIL_ATTACHMENT,
GetHandle(), level, layer);
DoClear();
}
}
break;
default:
UNREACHABLE();
}
}
gl.DeleteFramebuffers(1, &framebuffer);
} else {
static constexpr uint32_t MAX_TEXEL_SIZE = 16;
@@ -234,9 +270,17 @@ namespace dawn_native { namespace opengl {
const GLFormat& glFormat = GetGLFormat();
for (GLint level = baseMipLevel; level < baseMipLevel + levelCount; ++level) {
Extent3D mipSize = GetMipLevelPhysicalSize(level);
gl.ClearTexSubImage(mHandle, level, 0, 0, baseArrayLayer, mipSize.width,
mipSize.height, layerCount, glFormat.format, glFormat.type,
clearColorData.data());
for (GLint layer = baseArrayLayer; layer < baseArrayLayer + layerCount;
++layer) {
if (clearValue == TextureBase::ClearValue::Zero &&
IsSubresourceContentInitialized(level, 1, layer, 1)) {
// Skip lazy clears if already initialized.
continue;
}
gl.ClearTexSubImage(mHandle, level, 0, 0, layer, mipSize.width,
mipSize.height, 1, glFormat.format, glFormat.type,
clearColorData.data());
}
}
}
} else {
@@ -283,21 +327,37 @@ namespace dawn_native { namespace opengl {
Extent3D size = GetMipLevelPhysicalSize(level);
switch (GetDimension()) {
case wgpu::TextureDimension::e2D:
// TODO(natlee@microsoft.com): This will break when layerCount is greater
// than 1, because the buffer is only sized for one layer.
ASSERT(layerCount == 1);
gl.TexSubImage2D(GetGLTarget(), level, 0, 0, size.width, size.height,
GetGLFormat().format, GetGLFormat().type, 0);
if (GetArrayLayers() == 1) {
if (clearValue == TextureBase::ClearValue::Zero &&
IsSubresourceContentInitialized(level, 1, 0, 1)) {
// Skip lazy clears if already initialized.
continue;
}
gl.TexSubImage2D(GetGLTarget(), level, 0, 0, size.width, size.height,
GetGLFormat().format, GetGLFormat().type, 0);
} else {
for (GLint layer = baseArrayLayer; layer < baseArrayLayer + layerCount;
++layer) {
if (clearValue == TextureBase::ClearValue::Zero &&
IsSubresourceContentInitialized(level, 1, layer, 1)) {
// Skip lazy clears if already initialized.
continue;
}
gl.TexSubImage3D(GetGLTarget(), level, 0, 0, layer, size.width,
size.height, 1, GetGLFormat().format,
GetGLFormat().type, 0);
}
}
break;
default:
UNREACHABLE();
}
gl.PixelStorei(GL_UNPACK_ROW_LENGTH, 0);
gl.PixelStorei(GL_UNPACK_IMAGE_HEIGHT, 0);
gl.BindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
}
gl.PixelStorei(GL_UNPACK_ROW_LENGTH, 0);
gl.PixelStorei(GL_UNPACK_IMAGE_HEIGHT, 0);
gl.BindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
}
if (clearValue == TextureBase::ClearValue::Zero) {
SetIsSubresourceContentInitialized(true, baseMipLevel, levelCount, baseArrayLayer,