GPU workaround to simulate Out of Memory errors with large textures
[chromium-blink-merge.git] / cc / quads / render_pass_draw_quad.cc
blob963a1906ee741b37b4d94468ae1ff42dfbc3b1ea
1 // Copyright 2011 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #include "cc/quads/render_pass_draw_quad.h"
7 #include "base/trace_event/trace_event_argument.h"
8 #include "base/values.h"
9 #include "cc/base/math_util.h"
10 #include "cc/debug/traced_value.h"
11 #include "third_party/skia/include/core/SkImageFilter.h"
13 namespace cc {
15 RenderPassDrawQuad::RenderPassDrawQuad()
16 : render_pass_id(RenderPassId(-1, -1)),
17 mask_resource_id(static_cast<ResourceProvider::ResourceId>(-1)) {
20 RenderPassDrawQuad::~RenderPassDrawQuad() {
23 void RenderPassDrawQuad::SetNew(const SharedQuadState* shared_quad_state,
24 const gfx::Rect& rect,
25 const gfx::Rect& visible_rect,
26 RenderPassId render_pass_id,
27 ResourceProvider::ResourceId mask_resource_id,
28 const gfx::Vector2dF& mask_uv_scale,
29 const gfx::Size& mask_texture_size,
30 const FilterOperations& filters,
31 const gfx::Vector2dF& filters_scale,
32 const FilterOperations& background_filters) {
33 DCHECK_GT(render_pass_id.layer_id, 0);
34 DCHECK_GE(render_pass_id.index, 0);
36 gfx::Rect opaque_rect;
37 bool needs_blending = false;
38 SetAll(shared_quad_state,
39 rect,
40 opaque_rect,
41 visible_rect,
42 needs_blending,
43 render_pass_id,
44 mask_resource_id,
45 mask_uv_scale,
46 mask_texture_size,
47 filters,
48 filters_scale,
49 background_filters);
52 void RenderPassDrawQuad::SetAll(const SharedQuadState* shared_quad_state,
53 const gfx::Rect& rect,
54 const gfx::Rect& opaque_rect,
55 const gfx::Rect& visible_rect,
56 bool needs_blending,
57 RenderPassId render_pass_id,
58 ResourceProvider::ResourceId mask_resource_id,
59 const gfx::Vector2dF& mask_uv_scale,
60 const gfx::Size& mask_texture_size,
61 const FilterOperations& filters,
62 const gfx::Vector2dF& filters_scale,
63 const FilterOperations& background_filters) {
64 DCHECK_GT(render_pass_id.layer_id, 0);
65 DCHECK_GE(render_pass_id.index, 0);
67 DrawQuad::SetAll(shared_quad_state, DrawQuad::RENDER_PASS, rect, opaque_rect,
68 visible_rect, needs_blending);
69 this->render_pass_id = render_pass_id;
70 this->mask_resource_id = mask_resource_id;
71 this->mask_uv_scale = mask_uv_scale;
72 this->mask_texture_size = mask_texture_size;
73 this->filters = filters;
74 this->filters_scale = filters_scale;
75 this->background_filters = background_filters;
78 void RenderPassDrawQuad::IterateResources(
79 const ResourceIteratorCallback& callback) {
80 if (mask_resource_id)
81 mask_resource_id = callback.Run(mask_resource_id);
84 gfx::RectF RenderPassDrawQuad::MaskUVRect() const {
85 gfx::RectF mask_uv_rect((mask_uv_scale.x() * rect.x()) / rect.width(),
86 (mask_uv_scale.y() * rect.y()) / rect.height(),
87 mask_uv_scale.x(),
88 mask_uv_scale.y());
89 return mask_uv_rect;
92 const RenderPassDrawQuad* RenderPassDrawQuad::MaterialCast(
93 const DrawQuad* quad) {
94 DCHECK_EQ(quad->material, DrawQuad::RENDER_PASS);
95 return static_cast<const RenderPassDrawQuad*>(quad);
98 void RenderPassDrawQuad::ExtendValue(
99 base::trace_event::TracedValue* value) const {
100 TracedValue::SetIDRef(render_pass_id.AsTracingId(), value, "render_pass_id");
101 value->SetInteger("mask_resource_id", mask_resource_id);
102 MathUtil::AddToTracedValue("mask_texture_size", mask_texture_size, value);
103 MathUtil::AddToTracedValue("mask_uv_scale", mask_uv_scale, value);
105 value->BeginDictionary("filters");
106 filters.AsValueInto(value);
107 value->EndDictionary();
108 MathUtil::AddToTracedValue("filters_scale", filters_scale, value);
110 value->BeginDictionary("background_filters");
111 background_filters.AsValueInto(value);
112 value->EndDictionary();
115 } // namespace cc