mirror of
https://github.com/encounter/dawn-cmake.git
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1b9bcfc47d
Bug: dawn:547 Change-Id: I1f800f69d8ecfef5a7cfe9c19c320ea78296c58d Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/40120 Reviewed-by: Austin Eng <enga@chromium.org> Reviewed-by: Corentin Wallez <cwallez@chromium.org> Commit-Queue: Yunchao He <yunchao.he@intel.com>
496 lines
22 KiB
C++
496 lines
22 KiB
C++
// Copyright 2017 The Dawn Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "dawn_native/opengl/TextureGL.h"
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#include "common/Assert.h"
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#include "common/Constants.h"
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#include "common/Math.h"
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#include "dawn_native/EnumMaskIterator.h"
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#include "dawn_native/opengl/BufferGL.h"
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#include "dawn_native/opengl/DeviceGL.h"
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#include "dawn_native/opengl/UtilsGL.h"
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namespace dawn_native { namespace opengl {
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namespace {
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GLenum TargetForTexture(const TextureDescriptor* descriptor) {
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switch (descriptor->dimension) {
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case wgpu::TextureDimension::e2D:
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if (descriptor->size.depth > 1) {
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ASSERT(descriptor->sampleCount == 1);
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return GL_TEXTURE_2D_ARRAY;
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} else {
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if (descriptor->sampleCount > 1) {
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return GL_TEXTURE_2D_MULTISAMPLE;
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} else {
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return GL_TEXTURE_2D;
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}
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}
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case wgpu::TextureDimension::e3D:
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return GL_TEXTURE_3D;
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case wgpu::TextureDimension::e1D:
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UNREACHABLE();
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}
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}
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GLenum TargetForTextureViewDimension(wgpu::TextureViewDimension dimension,
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uint32_t arrayLayerCount,
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uint32_t sampleCount) {
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switch (dimension) {
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case wgpu::TextureViewDimension::e2D:
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return (sampleCount > 1) ? GL_TEXTURE_2D_MULTISAMPLE : GL_TEXTURE_2D;
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case wgpu::TextureViewDimension::e2DArray:
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if (arrayLayerCount == 1) {
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return (sampleCount > 1) ? GL_TEXTURE_2D_MULTISAMPLE : GL_TEXTURE_2D;
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}
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ASSERT(sampleCount == 1);
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return GL_TEXTURE_2D_ARRAY;
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case wgpu::TextureViewDimension::Cube:
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return GL_TEXTURE_CUBE_MAP;
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case wgpu::TextureViewDimension::CubeArray:
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return GL_TEXTURE_CUBE_MAP_ARRAY;
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case wgpu::TextureViewDimension::e3D:
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return GL_TEXTURE_3D;
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case wgpu::TextureViewDimension::e1D:
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case wgpu::TextureViewDimension::Undefined:
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UNREACHABLE();
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}
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}
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GLuint GenTexture(const OpenGLFunctions& gl) {
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GLuint handle = 0;
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gl.GenTextures(1, &handle);
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return handle;
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}
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bool UsageNeedsTextureView(wgpu::TextureUsage usage) {
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constexpr wgpu::TextureUsage kUsageNeedingTextureView =
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wgpu::TextureUsage::Storage | wgpu::TextureUsage::Sampled;
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return usage & kUsageNeedingTextureView;
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}
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bool RequiresCreatingNewTextureView(const TextureBase* texture,
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const TextureViewDescriptor* textureViewDescriptor) {
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if (texture->GetFormat().format != textureViewDescriptor->format) {
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return true;
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}
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if (texture->GetArrayLayers() != textureViewDescriptor->arrayLayerCount) {
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return true;
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}
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if (texture->GetNumMipLevels() != textureViewDescriptor->mipLevelCount) {
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return true;
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}
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if (ToBackend(texture)->GetGLFormat().format == GL_DEPTH_STENCIL &&
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(texture->GetUsage() & wgpu::TextureUsage::Sampled) != 0 &&
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textureViewDescriptor->aspect == wgpu::TextureAspect::StencilOnly) {
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// We need a separate view for one of the depth or stencil planes
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// because each glTextureView needs it's own handle to set
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// GL_DEPTH_STENCIL_TEXTURE_MODE. Choose the stencil aspect for the
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// extra handle since it is likely sampled less often.
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return true;
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}
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switch (textureViewDescriptor->dimension) {
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case wgpu::TextureViewDimension::Cube:
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case wgpu::TextureViewDimension::CubeArray:
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return true;
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default:
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break;
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}
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return false;
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}
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} // namespace
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// Texture
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Texture::Texture(Device* device, const TextureDescriptor* descriptor)
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: Texture(device, descriptor, GenTexture(device->gl), TextureState::OwnedInternal) {
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const OpenGLFunctions& gl = ToBackend(GetDevice())->gl;
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uint32_t width = GetWidth();
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uint32_t height = GetHeight();
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uint32_t levels = GetNumMipLevels();
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uint32_t arrayLayers = GetArrayLayers();
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uint32_t sampleCount = GetSampleCount();
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const GLFormat& glFormat = GetGLFormat();
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gl.BindTexture(mTarget, mHandle);
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// glTextureView() requires the value of GL_TEXTURE_IMMUTABLE_FORMAT for origtexture to be
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// GL_TRUE, so the storage of the texture must be allocated with glTexStorage*D.
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// https://www.khronos.org/registry/OpenGL-Refpages/gl4/html/glTextureView.xhtml
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switch (GetDimension()) {
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case wgpu::TextureDimension::e2D:
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if (arrayLayers > 1) {
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ASSERT(!IsMultisampledTexture());
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gl.TexStorage3D(mTarget, levels, glFormat.internalFormat, width, height,
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arrayLayers);
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} else {
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if (IsMultisampledTexture()) {
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gl.TexStorage2DMultisample(mTarget, sampleCount, glFormat.internalFormat,
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width, height, true);
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} else {
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gl.TexStorage2D(mTarget, levels, glFormat.internalFormat, width, height);
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}
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}
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break;
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case wgpu::TextureDimension::e3D:
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ASSERT(!IsMultisampledTexture());
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ASSERT(arrayLayers == 1);
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gl.TexStorage3D(mTarget, levels, glFormat.internalFormat, width, height,
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GetDepth());
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break;
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case wgpu::TextureDimension::e1D:
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UNREACHABLE();
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}
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// The texture is not complete if it uses mipmapping and not all levels up to
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// MAX_LEVEL have been defined.
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gl.TexParameteri(mTarget, GL_TEXTURE_MAX_LEVEL, levels - 1);
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if (GetDevice()->IsToggleEnabled(Toggle::NonzeroClearResourcesOnCreationForTesting)) {
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GetDevice()->ConsumedError(
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ClearTexture(GetAllSubresources(), TextureBase::ClearValue::NonZero));
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}
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}
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Texture::Texture(Device* device,
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const TextureDescriptor* descriptor,
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GLuint handle,
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TextureState state)
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: TextureBase(device, descriptor, state), mHandle(handle) {
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mTarget = TargetForTexture(descriptor);
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}
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Texture::~Texture() {
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DestroyInternal();
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}
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void Texture::DestroyImpl() {
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if (GetTextureState() == TextureState::OwnedInternal) {
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ToBackend(GetDevice())->gl.DeleteTextures(1, &mHandle);
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mHandle = 0;
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}
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}
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GLuint Texture::GetHandle() const {
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return mHandle;
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}
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GLenum Texture::GetGLTarget() const {
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return mTarget;
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}
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const GLFormat& Texture::GetGLFormat() const {
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return ToBackend(GetDevice())->GetGLFormat(GetFormat());
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}
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MaybeError Texture::ClearTexture(const SubresourceRange& range,
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TextureBase::ClearValue clearValue) {
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// TODO(jiawei.shao@intel.com): initialize the textures with compressed formats.
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if (GetFormat().isCompressed) {
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return {};
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}
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Device* device = ToBackend(GetDevice());
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const OpenGLFunctions& gl = device->gl;
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uint8_t clearColor = (clearValue == TextureBase::ClearValue::Zero) ? 0 : 1;
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float fClearColor = (clearValue == TextureBase::ClearValue::Zero) ? 0.f : 1.f;
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if (GetFormat().isRenderable) {
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if ((range.aspects & (Aspect::Depth | Aspect::Stencil)) != 0) {
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GLfloat depth = fClearColor;
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GLint stencil = clearColor;
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if (range.aspects & Aspect::Depth) {
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gl.DepthMask(GL_TRUE);
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}
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if (range.aspects & Aspect::Stencil) {
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gl.StencilMask(GetStencilMaskFromStencilFormat(GetFormat().format));
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}
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auto DoClear = [&](Aspect aspects) {
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if (aspects == (Aspect::Depth | Aspect::Stencil)) {
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gl.ClearBufferfi(GL_DEPTH_STENCIL, 0, depth, stencil);
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} else if (aspects == Aspect::Depth) {
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gl.ClearBufferfv(GL_DEPTH, 0, &depth);
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} else if (aspects == Aspect::Stencil) {
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gl.ClearBufferiv(GL_STENCIL, 0, &stencil);
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} else {
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UNREACHABLE();
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}
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};
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GLuint framebuffer = 0;
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gl.GenFramebuffers(1, &framebuffer);
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gl.BindFramebuffer(GL_DRAW_FRAMEBUFFER, framebuffer);
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for (uint32_t level = range.baseMipLevel;
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level < range.baseMipLevel + range.levelCount; ++level) {
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switch (GetDimension()) {
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case wgpu::TextureDimension::e2D:
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if (GetArrayLayers() == 1) {
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Aspect aspectsToClear = Aspect::None;
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for (Aspect aspect : IterateEnumMask(range.aspects)) {
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if (clearValue == TextureBase::ClearValue::Zero &&
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IsSubresourceContentInitialized(
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SubresourceRange::SingleMipAndLayer(level, 0,
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aspect))) {
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// Skip lazy clears if already initialized.
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continue;
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}
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aspectsToClear |= aspect;
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}
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if (aspectsToClear == Aspect::None) {
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continue;
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}
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gl.FramebufferTexture2D(GL_DRAW_FRAMEBUFFER,
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GL_DEPTH_STENCIL_ATTACHMENT, GetGLTarget(),
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GetHandle(), static_cast<GLint>(level));
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DoClear(aspectsToClear);
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} else {
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for (uint32_t layer = range.baseArrayLayer;
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layer < range.baseArrayLayer + range.layerCount; ++layer) {
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Aspect aspectsToClear = Aspect::None;
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for (Aspect aspect : IterateEnumMask(range.aspects)) {
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if (clearValue == TextureBase::ClearValue::Zero &&
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IsSubresourceContentInitialized(
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SubresourceRange::SingleMipAndLayer(level, layer,
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aspect))) {
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// Skip lazy clears if already initialized.
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continue;
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}
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aspectsToClear |= aspect;
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}
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if (aspectsToClear == Aspect::None) {
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continue;
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}
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gl.FramebufferTextureLayer(
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GL_DRAW_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT,
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GetHandle(), static_cast<GLint>(level),
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static_cast<GLint>(layer));
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DoClear(aspectsToClear);
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}
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}
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break;
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case wgpu::TextureDimension::e1D:
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case wgpu::TextureDimension::e3D:
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UNREACHABLE();
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}
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}
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gl.DeleteFramebuffers(1, &framebuffer);
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} else {
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ASSERT(range.aspects == Aspect::Color);
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static constexpr uint32_t MAX_TEXEL_SIZE = 16;
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const TexelBlockInfo& blockInfo = GetFormat().GetAspectInfo(Aspect::Color).block;
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ASSERT(blockInfo.byteSize <= MAX_TEXEL_SIZE);
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std::array<GLbyte, MAX_TEXEL_SIZE> clearColorData;
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clearColor = (clearValue == TextureBase::ClearValue::Zero) ? 0 : 255;
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clearColorData.fill(clearColor);
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const GLFormat& glFormat = GetGLFormat();
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for (uint32_t level = range.baseMipLevel;
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level < range.baseMipLevel + range.levelCount; ++level) {
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Extent3D mipSize = GetMipLevelPhysicalSize(level);
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for (uint32_t layer = range.baseArrayLayer;
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layer < range.baseArrayLayer + range.layerCount; ++layer) {
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if (clearValue == TextureBase::ClearValue::Zero &&
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IsSubresourceContentInitialized(
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SubresourceRange::SingleMipAndLayer(level, layer, Aspect::Color))) {
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// Skip lazy clears if already initialized.
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continue;
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}
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if (gl.IsAtLeastGL(4, 4)) {
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gl.ClearTexSubImage(mHandle, static_cast<GLint>(level), 0, 0,
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static_cast<GLint>(layer), mipSize.width,
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mipSize.height, 1, glFormat.format, glFormat.type,
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clearColorData.data());
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} else {
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GLuint framebuffer = 0;
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gl.GenFramebuffers(1, &framebuffer);
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gl.BindFramebuffer(GL_DRAW_FRAMEBUFFER, framebuffer);
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if (GetArrayLayers() == 1) {
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gl.FramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
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GetGLTarget(), GetHandle(), level);
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} else {
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gl.FramebufferTextureLayer(GL_DRAW_FRAMEBUFFER,
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GL_COLOR_ATTACHMENT0, GetHandle(), level,
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layer);
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}
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gl.Disable(GL_SCISSOR_TEST);
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gl.ClearBufferiv(GL_COLOR, 0,
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reinterpret_cast<const GLint*>(clearColorData.data()));
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gl.Enable(GL_SCISSOR_TEST);
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gl.DeleteFramebuffers(1, &framebuffer);
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}
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}
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}
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}
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} else {
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ASSERT(range.aspects == Aspect::Color);
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// create temp buffer with clear color to copy to the texture image
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const TexelBlockInfo& blockInfo = GetFormat().GetAspectInfo(Aspect::Color).block;
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ASSERT(kTextureBytesPerRowAlignment % blockInfo.byteSize == 0);
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uint32_t bytesPerRow = Align((GetWidth() / blockInfo.width) * blockInfo.byteSize,
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kTextureBytesPerRowAlignment);
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// Make sure that we are not rounding
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ASSERT(bytesPerRow % blockInfo.byteSize == 0);
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ASSERT(GetHeight() % blockInfo.height == 0);
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dawn_native::BufferDescriptor descriptor = {};
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descriptor.mappedAtCreation = true;
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descriptor.usage = wgpu::BufferUsage::CopySrc;
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descriptor.size = bytesPerRow * (GetHeight() / blockInfo.height);
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if (descriptor.size > std::numeric_limits<uint32_t>::max()) {
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return DAWN_OUT_OF_MEMORY_ERROR("Unable to allocate buffer.");
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}
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// We don't count the lazy clear of srcBuffer because it is an internal buffer.
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// TODO(natlee@microsoft.com): use Dynamic Uploader here for temp buffer
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Ref<Buffer> srcBuffer;
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DAWN_TRY_ASSIGN(srcBuffer, Buffer::CreateInternalBuffer(device, &descriptor, false));
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// Fill the buffer with clear color
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memset(srcBuffer->GetMappedRange(0, descriptor.size), clearColor, descriptor.size);
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srcBuffer->Unmap();
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// Bind buffer and texture, and make the buffer to texture copy
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gl.PixelStorei(GL_UNPACK_ROW_LENGTH,
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(bytesPerRow / blockInfo.byteSize) * blockInfo.width);
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gl.PixelStorei(GL_UNPACK_IMAGE_HEIGHT, 0);
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for (uint32_t level = range.baseMipLevel; level < range.baseMipLevel + range.levelCount;
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++level) {
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gl.BindBuffer(GL_PIXEL_UNPACK_BUFFER, srcBuffer->GetHandle());
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gl.ActiveTexture(GL_TEXTURE0);
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gl.BindTexture(GetGLTarget(), GetHandle());
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Extent3D size = GetMipLevelPhysicalSize(level);
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switch (GetDimension()) {
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case wgpu::TextureDimension::e2D:
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if (GetArrayLayers() == 1) {
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if (clearValue == TextureBase::ClearValue::Zero &&
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IsSubresourceContentInitialized(
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SubresourceRange::SingleMipAndLayer(level, 0, Aspect::Color))) {
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// Skip lazy clears if already initialized.
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continue;
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}
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gl.TexSubImage2D(GetGLTarget(), static_cast<GLint>(level), 0, 0,
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size.width, size.height, GetGLFormat().format,
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GetGLFormat().type, 0);
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} else {
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for (uint32_t layer = range.baseArrayLayer;
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layer < range.baseArrayLayer + range.layerCount; ++layer) {
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if (clearValue == TextureBase::ClearValue::Zero &&
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IsSubresourceContentInitialized(
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SubresourceRange::SingleMipAndLayer(level, layer,
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Aspect::Color))) {
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// Skip lazy clears if already initialized.
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continue;
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}
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gl.TexSubImage3D(GetGLTarget(), static_cast<GLint>(level), 0, 0,
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static_cast<GLint>(layer), size.width, size.height,
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1, GetGLFormat().format, GetGLFormat().type, 0);
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}
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}
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break;
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case wgpu::TextureDimension::e1D:
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case wgpu::TextureDimension::e3D:
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UNREACHABLE();
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}
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}
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gl.PixelStorei(GL_UNPACK_ROW_LENGTH, 0);
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gl.PixelStorei(GL_UNPACK_IMAGE_HEIGHT, 0);
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gl.BindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
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}
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if (clearValue == TextureBase::ClearValue::Zero) {
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SetIsSubresourceContentInitialized(true, range);
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device->IncrementLazyClearCountForTesting();
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}
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return {};
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}
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void Texture::EnsureSubresourceContentInitialized(const SubresourceRange& range) {
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if (!GetDevice()->IsToggleEnabled(Toggle::LazyClearResourceOnFirstUse)) {
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return;
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}
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if (!IsSubresourceContentInitialized(range)) {
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GetDevice()->ConsumedError(ClearTexture(range, TextureBase::ClearValue::Zero));
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}
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}
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// TextureView
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TextureView::TextureView(TextureBase* texture, const TextureViewDescriptor* descriptor)
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: TextureViewBase(texture, descriptor), mOwnsHandle(false) {
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mTarget = TargetForTextureViewDimension(descriptor->dimension, descriptor->arrayLayerCount,
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texture->GetSampleCount());
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if (!UsageNeedsTextureView(texture->GetUsage())) {
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mHandle = 0;
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} else if (!RequiresCreatingNewTextureView(texture, descriptor)) {
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mHandle = ToBackend(texture)->GetHandle();
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} else {
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// glTextureView() is supported on OpenGL version >= 4.3
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// TODO(jiawei.shao@intel.com): support texture view on OpenGL version <= 4.2
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const OpenGLFunctions& gl = ToBackend(GetDevice())->gl;
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mHandle = GenTexture(gl);
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const Texture* textureGL = ToBackend(texture);
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const GLFormat& glFormat = ToBackend(GetDevice())->GetGLFormat(GetFormat());
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gl.TextureView(mHandle, mTarget, textureGL->GetHandle(), glFormat.internalFormat,
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descriptor->baseMipLevel, descriptor->mipLevelCount,
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descriptor->baseArrayLayer, descriptor->arrayLayerCount);
|
|
mOwnsHandle = true;
|
|
}
|
|
}
|
|
|
|
TextureView::~TextureView() {
|
|
if (mOwnsHandle) {
|
|
ToBackend(GetDevice())->gl.DeleteTextures(1, &mHandle);
|
|
}
|
|
}
|
|
|
|
GLuint TextureView::GetHandle() const {
|
|
ASSERT(mHandle != 0);
|
|
return mHandle;
|
|
}
|
|
|
|
GLenum TextureView::GetGLTarget() const {
|
|
return mTarget;
|
|
}
|
|
|
|
}} // namespace dawn_native::opengl
|