blob: 729f2cbbc3b0d3beb79571e472ff8d9a371483fe [file] [log] [blame]
// Copyright 2013 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "impeller/entity/contents/content_context.h"
#include <memory>
#include <sstream>
#include "impeller/base/strings.h"
#include "impeller/core/formats.h"
#include "impeller/entity/entity.h"
#include "impeller/renderer/command_buffer.h"
#include "impeller/renderer/pipeline_library.h"
#include "impeller/renderer/render_pass.h"
#include "impeller/renderer/render_target.h"
#include "impeller/tessellator/tessellator.h"
namespace impeller {
void ContentContextOptions::ApplyToPipelineDescriptor(
PipelineDescriptor& desc) const {
auto pipeline_blend = blend_mode;
if (blend_mode > Entity::kLastPipelineBlendMode) {
VALIDATION_LOG << "Cannot use blend mode " << static_cast<int>(blend_mode)
<< " as a pipeline blend.";
pipeline_blend = BlendMode::kSourceOver;
}
desc.SetSampleCount(sample_count);
ColorAttachmentDescriptor color0 = *desc.GetColorAttachmentDescriptor(0u);
if (!color_attachment_pixel_format.has_value()) {
VALIDATION_LOG << "Color attachment pixel format must be set.";
color0.format = PixelFormat::kB8G8R8A8UNormInt;
} else {
color0.format = *color_attachment_pixel_format;
}
color0.format = *color_attachment_pixel_format;
color0.alpha_blend_op = BlendOperation::kAdd;
color0.color_blend_op = BlendOperation::kAdd;
switch (pipeline_blend) {
case BlendMode::kClear:
color0.dst_alpha_blend_factor = BlendFactor::kZero;
color0.dst_color_blend_factor = BlendFactor::kZero;
color0.src_alpha_blend_factor = BlendFactor::kZero;
color0.src_color_blend_factor = BlendFactor::kZero;
break;
case BlendMode::kSource:
color0.dst_alpha_blend_factor = BlendFactor::kZero;
color0.dst_color_blend_factor = BlendFactor::kZero;
color0.src_alpha_blend_factor = BlendFactor::kOne;
color0.src_color_blend_factor = BlendFactor::kOne;
break;
case BlendMode::kDestination:
color0.dst_alpha_blend_factor = BlendFactor::kOne;
color0.dst_color_blend_factor = BlendFactor::kOne;
color0.src_alpha_blend_factor = BlendFactor::kZero;
color0.src_color_blend_factor = BlendFactor::kZero;
break;
case BlendMode::kSourceOver:
color0.dst_alpha_blend_factor = BlendFactor::kOneMinusSourceAlpha;
color0.dst_color_blend_factor = BlendFactor::kOneMinusSourceAlpha;
color0.src_alpha_blend_factor = BlendFactor::kOne;
color0.src_color_blend_factor = BlendFactor::kOne;
break;
case BlendMode::kDestinationOver:
color0.dst_alpha_blend_factor = BlendFactor::kOne;
color0.dst_color_blend_factor = BlendFactor::kOne;
color0.src_alpha_blend_factor = BlendFactor::kOneMinusDestinationAlpha;
color0.src_color_blend_factor = BlendFactor::kOneMinusDestinationAlpha;
break;
case BlendMode::kSourceIn:
color0.dst_alpha_blend_factor = BlendFactor::kZero;
color0.dst_color_blend_factor = BlendFactor::kZero;
color0.src_alpha_blend_factor = BlendFactor::kDestinationAlpha;
color0.src_color_blend_factor = BlendFactor::kDestinationAlpha;
break;
case BlendMode::kDestinationIn:
color0.dst_alpha_blend_factor = BlendFactor::kSourceAlpha;
color0.dst_color_blend_factor = BlendFactor::kSourceAlpha;
color0.src_alpha_blend_factor = BlendFactor::kZero;
color0.src_color_blend_factor = BlendFactor::kZero;
break;
case BlendMode::kSourceOut:
color0.dst_alpha_blend_factor = BlendFactor::kZero;
color0.dst_color_blend_factor = BlendFactor::kZero;
color0.src_alpha_blend_factor = BlendFactor::kOneMinusDestinationAlpha;
color0.src_color_blend_factor = BlendFactor::kOneMinusDestinationAlpha;
break;
case BlendMode::kDestinationOut:
color0.dst_alpha_blend_factor = BlendFactor::kOneMinusSourceAlpha;
color0.dst_color_blend_factor = BlendFactor::kOneMinusSourceAlpha;
color0.src_alpha_blend_factor = BlendFactor::kZero;
color0.src_color_blend_factor = BlendFactor::kZero;
break;
case BlendMode::kSourceATop:
color0.dst_alpha_blend_factor = BlendFactor::kOneMinusSourceAlpha;
color0.dst_color_blend_factor = BlendFactor::kOneMinusSourceAlpha;
color0.src_alpha_blend_factor = BlendFactor::kDestinationAlpha;
color0.src_color_blend_factor = BlendFactor::kDestinationAlpha;
break;
case BlendMode::kDestinationATop:
color0.dst_alpha_blend_factor = BlendFactor::kSourceAlpha;
color0.dst_color_blend_factor = BlendFactor::kSourceAlpha;
color0.src_alpha_blend_factor = BlendFactor::kOneMinusDestinationAlpha;
color0.src_color_blend_factor = BlendFactor::kOneMinusDestinationAlpha;
break;
case BlendMode::kXor:
color0.dst_alpha_blend_factor = BlendFactor::kOneMinusSourceAlpha;
color0.dst_color_blend_factor = BlendFactor::kOneMinusSourceAlpha;
color0.src_alpha_blend_factor = BlendFactor::kOneMinusDestinationAlpha;
color0.src_color_blend_factor = BlendFactor::kOneMinusDestinationAlpha;
break;
case BlendMode::kPlus:
color0.dst_alpha_blend_factor = BlendFactor::kOne;
color0.dst_color_blend_factor = BlendFactor::kOne;
color0.src_alpha_blend_factor = BlendFactor::kOne;
color0.src_color_blend_factor = BlendFactor::kOne;
break;
case BlendMode::kModulate:
color0.dst_alpha_blend_factor = BlendFactor::kSourceAlpha;
color0.dst_color_blend_factor = BlendFactor::kSourceColor;
color0.src_alpha_blend_factor = BlendFactor::kZero;
color0.src_color_blend_factor = BlendFactor::kZero;
break;
default:
FML_UNREACHABLE();
}
desc.SetColorAttachmentDescriptor(0u, color0);
if (!has_stencil_attachment) {
desc.ClearStencilAttachments();
}
if (desc.GetFrontStencilAttachmentDescriptor().has_value()) {
StencilAttachmentDescriptor stencil =
desc.GetFrontStencilAttachmentDescriptor().value();
stencil.stencil_compare = stencil_compare;
stencil.depth_stencil_pass = stencil_operation;
desc.SetStencilAttachmentDescriptors(stencil);
}
desc.SetPrimitiveType(primitive_type);
desc.SetPolygonMode(wireframe ? PolygonMode::kLine : PolygonMode::kFill);
}
template <typename PipelineT>
static std::unique_ptr<PipelineT> CreateDefaultPipeline(
const Context& context) {
auto desc = PipelineT::Builder::MakeDefaultPipelineDescriptor(context);
if (!desc.has_value()) {
return nullptr;
}
// Apply default ContentContextOptions to the descriptor.
const auto default_color_fmt =
context.GetCapabilities()->GetDefaultColorFormat();
ContentContextOptions{.color_attachment_pixel_format = default_color_fmt}
.ApplyToPipelineDescriptor(*desc);
return std::make_unique<PipelineT>(context, desc);
}
ContentContext::ContentContext(std::shared_ptr<Context> context)
: context_(std::move(context)),
tessellator_(std::make_shared<Tessellator>()),
alpha_glyph_atlas_context_(std::make_shared<GlyphAtlasContext>()),
color_glyph_atlas_context_(std::make_shared<GlyphAtlasContext>()),
scene_context_(std::make_shared<scene::SceneContext>(context_)) {
if (!context_ || !context_->IsValid()) {
return;
}
#ifdef IMPELLER_DEBUG
checkerboard_pipelines_[{}] =
CreateDefaultPipeline<CheckerboardPipeline>(*context_);
#endif // IMPELLER_DEBUG
solid_fill_pipelines_[{}] =
CreateDefaultPipeline<SolidFillPipeline>(*context_);
linear_gradient_fill_pipelines_[{}] =
CreateDefaultPipeline<LinearGradientFillPipeline>(*context_);
radial_gradient_fill_pipelines_[{}] =
CreateDefaultPipeline<RadialGradientFillPipeline>(*context_);
conical_gradient_fill_pipelines_[{}] =
CreateDefaultPipeline<ConicalGradientFillPipeline>(*context_);
if (context_->GetCapabilities()->SupportsSSBO()) {
linear_gradient_ssbo_fill_pipelines_[{}] =
CreateDefaultPipeline<LinearGradientSSBOFillPipeline>(*context_);
radial_gradient_ssbo_fill_pipelines_[{}] =
CreateDefaultPipeline<RadialGradientSSBOFillPipeline>(*context_);
conical_gradient_ssbo_fill_pipelines_[{}] =
CreateDefaultPipeline<ConicalGradientSSBOFillPipeline>(*context_);
sweep_gradient_ssbo_fill_pipelines_[{}] =
CreateDefaultPipeline<SweepGradientSSBOFillPipeline>(*context_);
}
if (context_->GetCapabilities()->SupportsFramebufferFetch()) {
framebuffer_blend_color_pipelines_[{}] =
CreateDefaultPipeline<FramebufferBlendColorPipeline>(*context_);
framebuffer_blend_colorburn_pipelines_[{}] =
CreateDefaultPipeline<FramebufferBlendColorBurnPipeline>(*context_);
framebuffer_blend_colordodge_pipelines_[{}] =
CreateDefaultPipeline<FramebufferBlendColorDodgePipeline>(*context_);
framebuffer_blend_darken_pipelines_[{}] =
CreateDefaultPipeline<FramebufferBlendDarkenPipeline>(*context_);
framebuffer_blend_difference_pipelines_[{}] =
CreateDefaultPipeline<FramebufferBlendDifferencePipeline>(*context_);
framebuffer_blend_exclusion_pipelines_[{}] =
CreateDefaultPipeline<FramebufferBlendExclusionPipeline>(*context_);
framebuffer_blend_hardlight_pipelines_[{}] =
CreateDefaultPipeline<FramebufferBlendHardLightPipeline>(*context_);
framebuffer_blend_hue_pipelines_[{}] =
CreateDefaultPipeline<FramebufferBlendHuePipeline>(*context_);
framebuffer_blend_lighten_pipelines_[{}] =
CreateDefaultPipeline<FramebufferBlendLightenPipeline>(*context_);
framebuffer_blend_luminosity_pipelines_[{}] =
CreateDefaultPipeline<FramebufferBlendLuminosityPipeline>(*context_);
framebuffer_blend_multiply_pipelines_[{}] =
CreateDefaultPipeline<FramebufferBlendMultiplyPipeline>(*context_);
framebuffer_blend_overlay_pipelines_[{}] =
CreateDefaultPipeline<FramebufferBlendOverlayPipeline>(*context_);
framebuffer_blend_saturation_pipelines_[{}] =
CreateDefaultPipeline<FramebufferBlendSaturationPipeline>(*context_);
framebuffer_blend_screen_pipelines_[{}] =
CreateDefaultPipeline<FramebufferBlendScreenPipeline>(*context_);
framebuffer_blend_softlight_pipelines_[{}] =
CreateDefaultPipeline<FramebufferBlendSoftLightPipeline>(*context_);
}
blend_color_pipelines_[{}] =
CreateDefaultPipeline<BlendColorPipeline>(*context_);
blend_colorburn_pipelines_[{}] =
CreateDefaultPipeline<BlendColorBurnPipeline>(*context_);
blend_colordodge_pipelines_[{}] =
CreateDefaultPipeline<BlendColorDodgePipeline>(*context_);
blend_darken_pipelines_[{}] =
CreateDefaultPipeline<BlendDarkenPipeline>(*context_);
blend_difference_pipelines_[{}] =
CreateDefaultPipeline<BlendDifferencePipeline>(*context_);
blend_exclusion_pipelines_[{}] =
CreateDefaultPipeline<BlendExclusionPipeline>(*context_);
blend_hardlight_pipelines_[{}] =
CreateDefaultPipeline<BlendHardLightPipeline>(*context_);
blend_hue_pipelines_[{}] = CreateDefaultPipeline<BlendHuePipeline>(*context_);
blend_lighten_pipelines_[{}] =
CreateDefaultPipeline<BlendLightenPipeline>(*context_);
blend_luminosity_pipelines_[{}] =
CreateDefaultPipeline<BlendLuminosityPipeline>(*context_);
blend_multiply_pipelines_[{}] =
CreateDefaultPipeline<BlendMultiplyPipeline>(*context_);
blend_overlay_pipelines_[{}] =
CreateDefaultPipeline<BlendOverlayPipeline>(*context_);
blend_saturation_pipelines_[{}] =
CreateDefaultPipeline<BlendSaturationPipeline>(*context_);
blend_screen_pipelines_[{}] =
CreateDefaultPipeline<BlendScreenPipeline>(*context_);
blend_softlight_pipelines_[{}] =
CreateDefaultPipeline<BlendSoftLightPipeline>(*context_);
sweep_gradient_fill_pipelines_[{}] =
CreateDefaultPipeline<SweepGradientFillPipeline>(*context_);
rrect_blur_pipelines_[{}] =
CreateDefaultPipeline<RRectBlurPipeline>(*context_);
texture_blend_pipelines_[{}] =
CreateDefaultPipeline<BlendPipeline>(*context_);
texture_pipelines_[{}] = CreateDefaultPipeline<TexturePipeline>(*context_);
position_uv_pipelines_[{}] =
CreateDefaultPipeline<PositionUVPipeline>(*context_);
tiled_texture_pipelines_[{}] =
CreateDefaultPipeline<TiledTexturePipeline>(*context_);
gaussian_blur_alpha_decal_pipelines_[{}] =
CreateDefaultPipeline<GaussianBlurAlphaDecalPipeline>(*context_);
gaussian_blur_alpha_nodecal_pipelines_[{}] =
CreateDefaultPipeline<GaussianBlurAlphaPipeline>(*context_);
gaussian_blur_noalpha_decal_pipelines_[{}] =
CreateDefaultPipeline<GaussianBlurDecalPipeline>(*context_);
gaussian_blur_noalpha_nodecal_pipelines_[{}] =
CreateDefaultPipeline<GaussianBlurPipeline>(*context_);
border_mask_blur_pipelines_[{}] =
CreateDefaultPipeline<BorderMaskBlurPipeline>(*context_);
morphology_filter_pipelines_[{}] =
CreateDefaultPipeline<MorphologyFilterPipeline>(*context_);
color_matrix_color_filter_pipelines_[{}] =
CreateDefaultPipeline<ColorMatrixColorFilterPipeline>(*context_);
linear_to_srgb_filter_pipelines_[{}] =
CreateDefaultPipeline<LinearToSrgbFilterPipeline>(*context_);
srgb_to_linear_filter_pipelines_[{}] =
CreateDefaultPipeline<SrgbToLinearFilterPipeline>(*context_);
glyph_atlas_pipelines_[{}] =
CreateDefaultPipeline<GlyphAtlasPipeline>(*context_);
glyph_atlas_color_pipelines_[{}] =
CreateDefaultPipeline<GlyphAtlasColorPipeline>(*context_);
geometry_color_pipelines_[{}] =
CreateDefaultPipeline<GeometryColorPipeline>(*context_);
yuv_to_rgb_filter_pipelines_[{}] =
CreateDefaultPipeline<YUVToRGBFilterPipeline>(*context_);
porter_duff_blend_pipelines_[{}] =
CreateDefaultPipeline<PorterDuffBlendPipeline>(*context_);
if (context_->GetCapabilities()->SupportsCompute()) {
auto pipeline_desc =
PointsComputeShaderPipeline::MakeDefaultPipelineDescriptor(*context_);
point_field_compute_pipelines_ =
context_->GetPipelineLibrary()->GetPipeline(pipeline_desc).Get();
}
if (solid_fill_pipelines_[{}]->GetDescriptor().has_value()) {
auto clip_pipeline_descriptor =
solid_fill_pipelines_[{}]->GetDescriptor().value();
clip_pipeline_descriptor.SetLabel("Clip Pipeline");
// Disable write to all color attachments.
auto color_attachments =
clip_pipeline_descriptor.GetColorAttachmentDescriptors();
for (auto& color_attachment : color_attachments) {
color_attachment.second.write_mask =
static_cast<uint64_t>(ColorWriteMask::kNone);
}
clip_pipeline_descriptor.SetColorAttachmentDescriptors(
std::move(color_attachments));
clip_pipelines_[{}] =
std::make_unique<ClipPipeline>(*context_, clip_pipeline_descriptor);
} else {
return;
}
is_valid_ = true;
}
ContentContext::~ContentContext() = default;
bool ContentContext::IsValid() const {
return is_valid_;
}
std::shared_ptr<Texture> ContentContext::MakeSubpass(
const std::string& label,
ISize texture_size,
const SubpassCallback& subpass_callback,
bool msaa_enabled) const {
auto context = GetContext();
RenderTarget subpass_target;
if (context->GetCapabilities()->SupportsOffscreenMSAA() && msaa_enabled) {
subpass_target = RenderTarget::CreateOffscreenMSAA(
*context, texture_size, SPrintF("%s Offscreen", label.c_str()),
RenderTarget::kDefaultColorAttachmentConfigMSAA, std::nullopt);
} else {
subpass_target = RenderTarget::CreateOffscreen(
*context, texture_size, SPrintF("%s Offscreen", label.c_str()),
RenderTarget::kDefaultColorAttachmentConfig, std::nullopt);
}
auto subpass_texture = subpass_target.GetRenderTargetTexture();
if (!subpass_texture) {
return nullptr;
}
auto sub_command_buffer = context->CreateCommandBuffer();
sub_command_buffer->SetLabel(SPrintF("%s CommandBuffer", label.c_str()));
if (!sub_command_buffer) {
return nullptr;
}
auto sub_renderpass = sub_command_buffer->CreateRenderPass(subpass_target);
if (!sub_renderpass) {
return nullptr;
}
sub_renderpass->SetLabel(SPrintF("%s RenderPass", label.c_str()));
if (!subpass_callback(*this, *sub_renderpass)) {
return nullptr;
}
if (!sub_renderpass->EncodeCommands()) {
return nullptr;
}
if (!sub_command_buffer->SubmitCommands()) {
return nullptr;
}
return subpass_texture;
}
std::shared_ptr<scene::SceneContext> ContentContext::GetSceneContext() const {
return scene_context_;
}
std::shared_ptr<Tessellator> ContentContext::GetTessellator() const {
return tessellator_;
}
std::shared_ptr<GlyphAtlasContext> ContentContext::GetGlyphAtlasContext(
GlyphAtlas::Type type) const {
return type == GlyphAtlas::Type::kAlphaBitmap ? alpha_glyph_atlas_context_
: color_glyph_atlas_context_;
}
std::shared_ptr<Context> ContentContext::GetContext() const {
return context_;
}
const Capabilities& ContentContext::GetDeviceCapabilities() const {
return *context_->GetCapabilities();
}
void ContentContext::SetWireframe(bool wireframe) {
wireframe_ = wireframe;
}
} // namespace impeller