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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
module cc.mojom;
import "cc/ipc/filter_operations.mojom";
import "cc/ipc/render_pass_id.mojom";
import "cc/ipc/surface_id.mojom";
import "ui/gfx/geometry/mojo/geometry.mojom";
import "ui/gfx/mojo/transform.mojom";
struct DebugBorderQuadState {
// Debug border color.
uint32 color;
// Debug border width.
int32 width;
struct RenderPassQuadState {
cc.mojom.RenderPassId render_pass_id;
// If nonzero, resource id of mask to use when drawing this pass.
uint32 mask_resource_id;
gfx.mojom.Vector2dF mask_uv_scale;
gfx.mojom.Size mask_texture_size;
// Post-processing filters, applied to the pixels in the render pass' texture.
cc.mojom.FilterOperations filters;
// The scale from layer space of the root layer of the render pass to
// the render pass physical pixels. This scale is applied to the filter
// parameters for pixel-moving filters. This scale should include
// content-to-target-space scale, and device pixel ratio.
gfx.mojom.Vector2dF filters_scale;
// Post-processing filters, applied to the pixels showing through the
// background of the render pass, from behind it.
cc.mojom.FilterOperations background_filters;
struct SolidColorQuadState {
uint32 color;
bool force_anti_aliasing_off;
struct SurfaceQuadState {
cc.mojom.SurfaceId surface;
struct TextureQuadState {
uint32 resource_id;
bool premultiplied_alpha;
gfx.mojom.PointF uv_top_left;
gfx.mojom.PointF uv_bottom_right;
uint32 background_color;
array<float, 4> vertex_opacity;
bool y_flipped;
bool nearest_neighbor;
bool secure_output_only;
struct TileQuadState {
gfx.mojom.RectF tex_coord_rect;
gfx.mojom.Size texture_size;
bool swizzle_contents;
uint32 resource_id;
bool nearest_neighbor;
struct StreamVideoQuadState {
uint32 resource_id;
gfx.mojom.Size resource_size_in_pixels;
gfx.mojom.Transform matrix;
enum YUVColorSpace {
REC_601, // SDTV standard with restricted "studio swing" color range.
REC_709, // HDTV standard with restricted "studio swing" color range.
JPEG, // Full color range [0, 255] JPEG color space.
struct YUVVideoQuadState {
gfx.mojom.RectF ya_tex_coord_rect;
gfx.mojom.RectF uv_tex_coord_rect;
gfx.mojom.Size ya_tex_size;
gfx.mojom.Size uv_tex_size;
uint32 y_plane_resource_id;
uint32 u_plane_resource_id;
uint32 v_plane_resource_id;
uint32 a_plane_resource_id;
YUVColorSpace color_space;
float resource_offset;
float resource_multiplier;
enum Material {
struct DrawQuad {
Material material;
// This rect, after applying the quad_transform(), gives the geometry that
// this quad should draw to. This rect lives in content space.
gfx.mojom.Rect rect;
// This specifies the region of the quad that is opaque. This rect lives in
// content space.
gfx.mojom.Rect opaque_rect;
// Allows changing the rect that gets drawn to make it smaller. This value
// should be clipped to |rect|. This rect lives in content space.
gfx.mojom.Rect visible_rect;
// Allows changing the rect that gets drawn to make it smaller. This value
// should be clipped to |rect|. This rect lives in content space.
bool needs_blending;
// Index into the containing pass' shared quad state array which has state
// (transforms etc) shared by multiple quads.
// TODO(fsamuel): This is not currently used because we store the
// indicies to SharedQuadStates in a separate array. This is more expensive
// than storing them inline here, but we need support for context propagation
// in Mojo StructTraits in order to store the sqs index here.
//uint32 shared_quad_state_index;
// Only one of the following will be set, depending on the material.
DebugBorderQuadState? debug_border_quad_state;
RenderPassQuadState? render_pass_quad_state;
SolidColorQuadState? solid_color_quad_state;
SurfaceQuadState? surface_quad_state;
TextureQuadState? texture_quad_state;
TileQuadState? tile_quad_state;
StreamVideoQuadState? stream_video_quad_state;
YUVVideoQuadState? yuv_video_quad_state;
struct QuadList {
array<Material> quad_types;
array<DrawQuad> quads;