// Copyright 2012 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.
#include "cc/output/gl_renderer.h"
#include <set>
#include "cc/base/math_util.h"
#include "cc/output/compositor_frame_metadata.h"
#include "cc/resources/prioritized_resource_manager.h"
#include "cc/resources/resource_provider.h"
#include "cc/test/fake_impl_proxy.h"
#include "cc/test/fake_layer_tree_host_impl.h"
#include "cc/test/fake_output_surface.h"
#include "cc/test/fake_output_surface_client.h"
#include "cc/test/mock_quad_culler.h"
#include "cc/test/pixel_test.h"
#include "cc/test/render_pass_test_common.h"
#include "cc/test/render_pass_test_utils.h"
#include "cc/test/test_web_graphics_context_3d.h"
#include "gpu/GLES2/gl2extchromium.h"
#include "gpu/command_buffer/client/context_support.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/khronos/GLES2/gl2.h"
#include "third_party/skia/include/core/SkImageFilter.h"
#include "third_party/skia/include/core/SkMatrix.h"
#include "third_party/skia/include/effects/SkColorFilterImageFilter.h"
#include "third_party/skia/include/effects/SkColorMatrixFilter.h"
#include "ui/gfx/transform.h"
using testing::_;
using testing::AnyNumber;
using testing::Args;
using testing::AtLeast;
using testing::ElementsAre;
using testing::Expectation;
using testing::InSequence;
using testing::Mock;
using testing::Return;
using testing::StrictMock;
using blink::WebGLId;
using blink::WebString;
using blink::WGC3Dbitfield;
using blink::WGC3Dboolean;
using blink::WGC3Dchar;
using blink::WGC3Denum;
using blink::WGC3Dfloat;
using blink::WGC3Dint;
using blink::WGC3Dintptr;
using blink::WGC3Dsizei;
using blink::WGC3Dsizeiptr;
using blink::WGC3Duint;
namespace cc {
class GLRendererTest : public testing::Test {
protected:
RenderPass* root_render_pass() { return render_passes_in_draw_order_.back(); }
RenderPassList render_passes_in_draw_order_;
};
#define EXPECT_PROGRAM_VALID(program_binding) \
do { \
EXPECT_TRUE((program_binding)->program()); \
EXPECT_TRUE((program_binding)->initialized()); \
} while (false)
// Explicitly named to be a friend in GLRenderer for shader access.
class GLRendererShaderPixelTest : public GLRendererPixelTest {
public:
void TestShaders() {
ASSERT_FALSE(renderer()->IsContextLost());
EXPECT_PROGRAM_VALID(renderer()->GetTileCheckerboardProgram());
EXPECT_PROGRAM_VALID(renderer()->GetDebugBorderProgram());
EXPECT_PROGRAM_VALID(renderer()->GetSolidColorProgram());
EXPECT_PROGRAM_VALID(renderer()->GetSolidColorProgramAA());
TestShadersWithTexCoordPrecision(TexCoordPrecisionMedium);
TestShadersWithTexCoordPrecision(TexCoordPrecisionHigh);
ASSERT_FALSE(renderer()->IsContextLost());
}
void TestShadersWithTexCoordPrecision(TexCoordPrecision precision) {
EXPECT_PROGRAM_VALID(renderer()->GetRenderPassProgram(precision));
EXPECT_PROGRAM_VALID(renderer()->GetRenderPassProgramAA(precision));
EXPECT_PROGRAM_VALID(renderer()->GetRenderPassMaskProgram(precision));
EXPECT_PROGRAM_VALID(renderer()->GetRenderPassMaskProgramAA(precision));
EXPECT_PROGRAM_VALID(
renderer()->GetRenderPassColorMatrixProgram(precision));
EXPECT_PROGRAM_VALID(
renderer()->GetRenderPassMaskColorMatrixProgramAA(precision));
EXPECT_PROGRAM_VALID(
renderer()->GetRenderPassColorMatrixProgramAA(precision));
EXPECT_PROGRAM_VALID(
renderer()->GetRenderPassMaskColorMatrixProgram(precision));
EXPECT_PROGRAM_VALID(renderer()->GetTextureProgram(precision));
EXPECT_PROGRAM_VALID(
renderer()->GetNonPremultipliedTextureProgram(precision));
EXPECT_PROGRAM_VALID(renderer()->GetTextureBackgroundProgram(precision));
EXPECT_PROGRAM_VALID(
renderer()->GetNonPremultipliedTextureBackgroundProgram(precision));
EXPECT_PROGRAM_VALID(renderer()->GetTextureIOSurfaceProgram(precision));
EXPECT_PROGRAM_VALID(renderer()->GetVideoYUVProgram(precision));
EXPECT_PROGRAM_VALID(renderer()->GetVideoYUVAProgram(precision));
// This is unlikely to be ever true in tests due to usage of osmesa.
if (renderer()->Capabilities().using_egl_image)
EXPECT_PROGRAM_VALID(renderer()->GetVideoStreamTextureProgram(precision));
else
EXPECT_FALSE(renderer()->GetVideoStreamTextureProgram(precision));
TestShadersWithSamplerType(precision, SamplerType2D);
TestShadersWithSamplerType(precision, SamplerType2DRect);
// This is unlikely to be ever true in tests due to usage of osmesa.
if (renderer()->Capabilities().using_egl_image)
TestShadersWithSamplerType(precision, SamplerTypeExternalOES);
}
void TestShadersWithSamplerType(TexCoordPrecision precision,
SamplerType sampler) {
EXPECT_PROGRAM_VALID(renderer()->GetTileProgram(precision, sampler));
EXPECT_PROGRAM_VALID(renderer()->GetTileProgramOpaque(precision, sampler));
EXPECT_PROGRAM_VALID(renderer()->GetTileProgramAA(precision, sampler));
EXPECT_PROGRAM_VALID(renderer()->GetTileProgramSwizzle(precision, sampler));
EXPECT_PROGRAM_VALID(
renderer()->GetTileProgramSwizzleOpaque(precision, sampler));
EXPECT_PROGRAM_VALID(
renderer()->GetTileProgramSwizzleAA(precision, sampler));
}
};
namespace {
#if !defined(OS_ANDROID)
TEST_F(GLRendererShaderPixelTest, AllShadersCompile) { TestShaders(); }
#endif
class FakeRendererClient : public RendererClient {
public:
FakeRendererClient() : set_full_root_layer_damage_count_(0) {}
// RendererClient methods.
virtual void SetFullRootLayerDamage() OVERRIDE {
set_full_root_layer_damage_count_++;
}
// Methods added for test.
int set_full_root_layer_damage_count() const {
return set_full_root_layer_damage_count_;
}
private:
int set_full_root_layer_damage_count_;
};
class FakeRendererGL : public GLRenderer {
public:
FakeRendererGL(RendererClient* client,
const LayerTreeSettings* settings,
OutputSurface* output_surface,
ResourceProvider* resource_provider)
: GLRenderer(client,
settings,
output_surface,
resource_provider,
NULL,
0) {}
// GLRenderer methods.
// Changing visibility to public.
using GLRenderer::IsBackbufferDiscarded;
using GLRenderer::DoDrawQuad;
using GLRenderer::BeginDrawingFrame;
using GLRenderer::FinishDrawingQuadList;
using GLRenderer::stencil_enabled;
};
class GLRendererWithDefaultHarnessTest : public GLRendererTest {
protected:
GLRendererWithDefaultHarnessTest() {
output_surface_ = FakeOutputSurface::Create3d(
TestWebGraphicsContext3D::Create()).Pass();
CHECK(output_surface_->BindToClient(&output_surface_client_));
resource_provider_ = ResourceProvider::Create(
output_surface_.get(), NULL, 0, false, 1).Pass();
renderer_ = make_scoped_ptr(new FakeRendererGL(&renderer_client_,
&settings_,
output_surface_.get(),
resource_provider_.get()));
}
void SwapBuffers() { renderer_->SwapBuffers(CompositorFrameMetadata()); }
LayerTreeSettings settings_;
FakeOutputSurfaceClient output_surface_client_;
scoped_ptr<FakeOutputSurface> output_surface_;
FakeRendererClient renderer_client_;
scoped_ptr<ResourceProvider> resource_provider_;
scoped_ptr<FakeRendererGL> renderer_;
};
// Closing the namespace here so that GLRendererShaderTest can take advantage
// of the friend relationship with GLRenderer and all of the mock classes
// declared above it.
} // namespace
class GLRendererShaderTest : public GLRendererTest {
protected:
GLRendererShaderTest() {
output_surface_ = FakeOutputSurface::Create3d().Pass();
CHECK(output_surface_->BindToClient(&output_surface_client_));
resource_provider_ = ResourceProvider::Create(
output_surface_.get(), NULL, 0, false, 1).Pass();
renderer_.reset(new FakeRendererGL(&renderer_client_,
&settings_,
output_surface_.get(),
resource_provider_.get()));
}
void TestRenderPassProgram(TexCoordPrecision precision) {
EXPECT_PROGRAM_VALID(&renderer_->render_pass_program_[precision]);
EXPECT_EQ(renderer_->render_pass_program_[precision].program(),
renderer_->program_shadow_);
}
void TestRenderPassColorMatrixProgram(TexCoordPrecision precision) {
EXPECT_PROGRAM_VALID(
&renderer_->render_pass_color_matrix_program_[precision]);
EXPECT_EQ(renderer_->render_pass_color_matrix_program_[precision].program(),
renderer_->program_shadow_);
}
void TestRenderPassMaskProgram(TexCoordPrecision precision) {
EXPECT_PROGRAM_VALID(&renderer_->render_pass_mask_program_[precision]);
EXPECT_EQ(renderer_->render_pass_mask_program_[precision].program(),
renderer_->program_shadow_);
}
void TestRenderPassMaskColorMatrixProgram(TexCoordPrecision precision) {
EXPECT_PROGRAM_VALID(
&renderer_->render_pass_mask_color_matrix_program_[precision]);
EXPECT_EQ(
renderer_->render_pass_mask_color_matrix_program_[precision].program(),
renderer_->program_shadow_);
}
void TestRenderPassProgramAA(TexCoordPrecision precision) {
EXPECT_PROGRAM_VALID(&renderer_->render_pass_program_aa_[precision]);
EXPECT_EQ(renderer_->render_pass_program_aa_[precision].program(),
renderer_->program_shadow_);
}
void TestRenderPassColorMatrixProgramAA(TexCoordPrecision precision) {
EXPECT_PROGRAM_VALID(
&renderer_->render_pass_color_matrix_program_aa_[precision]);
EXPECT_EQ(
renderer_->render_pass_color_matrix_program_aa_[precision].program(),
renderer_->program_shadow_);
}
void TestRenderPassMaskProgramAA(TexCoordPrecision precision) {
EXPECT_PROGRAM_VALID(&renderer_->render_pass_mask_program_aa_[precision]);
EXPECT_EQ(renderer_->render_pass_mask_program_aa_[precision].program(),
renderer_->program_shadow_);
}
void TestRenderPassMaskColorMatrixProgramAA(TexCoordPrecision precision) {
EXPECT_PROGRAM_VALID(
&renderer_->render_pass_mask_color_matrix_program_aa_[precision]);
EXPECT_EQ(renderer_->render_pass_mask_color_matrix_program_aa_[precision]
.program(),
renderer_->program_shadow_);
}
void TestSolidColorProgramAA() {
EXPECT_PROGRAM_VALID(&renderer_->solid_color_program_aa_);
EXPECT_EQ(renderer_->solid_color_program_aa_.program(),
renderer_->program_shadow_);
}
LayerTreeSettings settings_;
FakeOutputSurfaceClient output_surface_client_;
scoped_ptr<FakeOutputSurface> output_surface_;
FakeRendererClient renderer_client_;
scoped_ptr<ResourceProvider> resource_provider_;
scoped_ptr<FakeRendererGL> renderer_;
};
namespace {
// Test GLRenderer DiscardBackbuffer functionality:
// Suggest discarding framebuffer when one exists and the renderer is not
// visible.
// Expected: it is discarded and damage tracker is reset.
TEST_F(
GLRendererWithDefaultHarnessTest,
SuggestBackbufferNoShouldDiscardBackbufferAndDamageRootLayerIfNotVisible) {
renderer_->SetVisible(false);
EXPECT_EQ(1, renderer_client_.set_full_root_layer_damage_count());
EXPECT_TRUE(renderer_->IsBackbufferDiscarded());
}
// Test GLRenderer DiscardBackbuffer functionality:
// Suggest discarding framebuffer when one exists and the renderer is visible.
// Expected: the allocation is ignored.
TEST_F(GLRendererWithDefaultHarnessTest,
SuggestBackbufferNoDoNothingWhenVisible) {
renderer_->SetVisible(true);
EXPECT_EQ(0, renderer_client_.set_full_root_layer_damage_count());
EXPECT_FALSE(renderer_->IsBackbufferDiscarded());
}
// Test GLRenderer DiscardBackbuffer functionality:
// Suggest discarding framebuffer when one does not exist.
// Expected: it does nothing.
TEST_F(GLRendererWithDefaultHarnessTest,
SuggestBackbufferNoWhenItDoesntExistShouldDoNothing) {
renderer_->SetVisible(false);
EXPECT_EQ(1, renderer_client_.set_full_root_layer_damage_count());
EXPECT_TRUE(renderer_->IsBackbufferDiscarded());
EXPECT_EQ(1, renderer_client_.set_full_root_layer_damage_count());
EXPECT_TRUE(renderer_->IsBackbufferDiscarded());
}
// Test GLRenderer DiscardBackbuffer functionality:
// Begin drawing a frame while a framebuffer is discarded.
// Expected: will recreate framebuffer.
TEST_F(GLRendererWithDefaultHarnessTest,
DiscardedBackbufferIsRecreatedForScopeDuration) {
gfx::Rect viewport_rect(1, 1);
renderer_->SetVisible(false);
EXPECT_TRUE(renderer_->IsBackbufferDiscarded());
EXPECT_EQ(1, renderer_client_.set_full_root_layer_damage_count());
AddRenderPass(&render_passes_in_draw_order_,
RenderPass::Id(1, 0),
viewport_rect,
gfx::Transform());
renderer_->SetVisible(true);
renderer_->DrawFrame(&render_passes_in_draw_order_,
NULL,
1.f,
viewport_rect,
viewport_rect,
true,
false);
EXPECT_FALSE(renderer_->IsBackbufferDiscarded());
SwapBuffers();
EXPECT_EQ(1u, output_surface_->num_sent_frames());
}
TEST_F(GLRendererWithDefaultHarnessTest,
FramebufferDiscardedAfterReadbackWhenNotVisible) {
gfx::Rect viewport_rect(1, 1);
renderer_->SetVisible(false);
EXPECT_TRUE(renderer_->IsBackbufferDiscarded());
EXPECT_EQ(1, renderer_client_.set_full_root_layer_damage_count());
AddRenderPass(&render_passes_in_draw_order_,
RenderPass::Id(1, 0),
viewport_rect,
gfx::Transform());
char pixels[4];
renderer_->DrawFrame(&render_passes_in_draw_order_,
NULL,
1.f,
viewport_rect,
viewport_rect,
true,
false);
EXPECT_FALSE(renderer_->IsBackbufferDiscarded());
renderer_->GetFramebufferPixels(pixels, gfx::Rect(0, 0, 1, 1));
EXPECT_TRUE(renderer_->IsBackbufferDiscarded());
EXPECT_EQ(2, renderer_client_.set_full_root_layer_damage_count());
}
TEST_F(GLRendererWithDefaultHarnessTest, ExternalStencil) {
gfx::Rect viewport_rect(1, 1);
EXPECT_FALSE(renderer_->stencil_enabled());
output_surface_->set_has_external_stencil_test(true);
TestRenderPass* root_pass = AddRenderPass(&render_passes_in_draw_order_,
RenderPass::Id(1, 0),
viewport_rect,
gfx::Transform());
root_pass->has_transparent_background = false;
renderer_->DrawFrame(&render_passes_in_draw_order_,
NULL,
1.f,
viewport_rect,
viewport_rect,
true,
false);
EXPECT_TRUE(renderer_->stencil_enabled());
}
class ForbidSynchronousCallContext : public TestWebGraphicsContext3D {
public:
ForbidSynchronousCallContext() {}
virtual bool getActiveAttrib(WebGLId program,
WGC3Duint index,
ActiveInfo& info) {
ADD_FAILURE();
return false;
}
virtual bool getActiveUniform(WebGLId program,
WGC3Duint index,
ActiveInfo& info) {
ADD_FAILURE();
return false;
}
virtual void getAttachedShaders(WebGLId program,
WGC3Dsizei max_count,
WGC3Dsizei* count,
WebGLId* shaders) {
ADD_FAILURE();
}
virtual WGC3Dint getAttribLocation(WebGLId program, const WGC3Dchar* name) {
ADD_FAILURE();
return 0;
}
virtual void getBooleanv(WGC3Denum pname, WGC3Dboolean* value) {
ADD_FAILURE();
}
virtual void getBufferParameteriv(WGC3Denum target,
WGC3Denum pname,
WGC3Dint* value) {
ADD_FAILURE();
}
virtual Attributes getContextAttributes() {
ADD_FAILURE();
return attributes_;
}
virtual WGC3Denum getError() {
ADD_FAILURE();
return 0;
}
virtual void getFloatv(WGC3Denum pname, WGC3Dfloat* value) { ADD_FAILURE(); }
virtual void getFramebufferAttachmentParameteriv(WGC3Denum target,
WGC3Denum attachment,
WGC3Denum pname,
WGC3Dint* value) {
ADD_FAILURE();
}
virtual void getIntegerv(WGC3Denum pname, WGC3Dint* value) {
if (pname == GL_MAX_TEXTURE_SIZE) {
// MAX_TEXTURE_SIZE is cached client side, so it's OK to query.
*value = 1024;
} else {
ADD_FAILURE();
}
}
// We allow querying the shader compilation and program link status in debug
// mode, but not release.
virtual void getProgramiv(WebGLId program, WGC3Denum pname, WGC3Dint* value) {
#ifndef NDEBUG
*value = 1;
#else
ADD_FAILURE();
#endif
}
virtual void getShaderiv(WebGLId shader, WGC3Denum pname, WGC3Dint* value) {
#ifndef NDEBUG
*value = 1;
#else
ADD_FAILURE();
#endif
}
virtual WebString getString(WGC3Denum name) {
ADD_FAILURE() << name;
return WebString();
}
virtual WebString getProgramInfoLog(WebGLId program) {
ADD_FAILURE();
return WebString();
}
virtual void getRenderbufferParameteriv(WGC3Denum target,
WGC3Denum pname,
WGC3Dint* value) {
ADD_FAILURE();
}
virtual WebString getShaderInfoLog(WebGLId shader) {
ADD_FAILURE();
return WebString();
}
virtual void getShaderPrecisionFormat(WGC3Denum shadertype,
WGC3Denum precisiontype,
WGC3Dint* range,
WGC3Dint* precision) {
ADD_FAILURE();
}
virtual WebString getShaderSource(WebGLId shader) {
ADD_FAILURE();
return WebString();
}
virtual void getTexParameterfv(WGC3Denum target,
WGC3Denum pname,
WGC3Dfloat* value) {
ADD_FAILURE();
}
virtual void getTexParameteriv(WGC3Denum target,
WGC3Denum pname,
WGC3Dint* value) {
ADD_FAILURE();
}
virtual void getUniformfv(WebGLId program,
WGC3Dint location,
WGC3Dfloat* value) {
ADD_FAILURE();
}
virtual void getUniformiv(WebGLId program,
WGC3Dint location,
WGC3Dint* value) {
ADD_FAILURE();
}
virtual WGC3Dint getUniformLocation(WebGLId program, const WGC3Dchar* name) {
ADD_FAILURE();
return 0;
}
virtual void getVertexAttribfv(WGC3Duint index,
WGC3Denum pname,
WGC3Dfloat* value) {
ADD_FAILURE();
}
virtual void getVertexAttribiv(WGC3Duint index,
WGC3Denum pname,
WGC3Dint* value) {
ADD_FAILURE();
}
virtual WGC3Dsizeiptr getVertexAttribOffset(WGC3Duint index,
WGC3Denum pname) {
ADD_FAILURE();
return 0;
}
};
TEST_F(GLRendererTest, InitializationDoesNotMakeSynchronousCalls) {
FakeOutputSurfaceClient output_surface_client;
scoped_ptr<OutputSurface> output_surface(FakeOutputSurface::Create3d(
scoped_ptr<TestWebGraphicsContext3D>(new ForbidSynchronousCallContext)));
CHECK(output_surface->BindToClient(&output_surface_client));
scoped_ptr<ResourceProvider> resource_provider(
ResourceProvider::Create(output_surface.get(), NULL, 0, false, 1));
LayerTreeSettings settings;
FakeRendererClient renderer_client;
FakeRendererGL renderer(&renderer_client,
&settings,
output_surface.get(),
resource_provider.get());
}
class LoseContextOnFirstGetContext : public TestWebGraphicsContext3D {
public:
LoseContextOnFirstGetContext() {}
virtual void getProgramiv(WebGLId program,
WGC3Denum pname,
WGC3Dint* value) OVERRIDE {
context_lost_ = true;
*value = 0;
}
virtual void getShaderiv(WebGLId shader,
WGC3Denum pname,
WGC3Dint* value) OVERRIDE {
context_lost_ = true;
*value = 0;
}
};
TEST_F(GLRendererTest, InitializationWithQuicklyLostContextDoesNotAssert) {
FakeOutputSurfaceClient output_surface_client;
scoped_ptr<OutputSurface> output_surface(FakeOutputSurface::Create3d(
scoped_ptr<TestWebGraphicsContext3D>(new LoseContextOnFirstGetContext)));
CHECK(output_surface->BindToClient(&output_surface_client));
scoped_ptr<ResourceProvider> resource_provider(
ResourceProvider::Create(output_surface.get(), NULL, 0, false, 1));
LayerTreeSettings settings;
FakeRendererClient renderer_client;
FakeRendererGL renderer(&renderer_client,
&settings,
output_surface.get(),
resource_provider.get());
}
class ClearCountingContext : public TestWebGraphicsContext3D {
public:
ClearCountingContext() { test_capabilities_.discard_framebuffer = true; }
MOCK_METHOD3(discardFramebufferEXT,
void(WGC3Denum target,
WGC3Dsizei numAttachments,
const WGC3Denum* attachments));
MOCK_METHOD1(clear, void(WGC3Dbitfield mask));
};
TEST_F(GLRendererTest, OpaqueBackground) {
scoped_ptr<ClearCountingContext> context_owned(new ClearCountingContext);
ClearCountingContext* context = context_owned.get();
FakeOutputSurfaceClient output_surface_client;
scoped_ptr<OutputSurface> output_surface(FakeOutputSurface::Create3d(
context_owned.PassAs<TestWebGraphicsContext3D>()));
CHECK(output_surface->BindToClient(&output_surface_client));
scoped_ptr<ResourceProvider> resource_provider(
ResourceProvider::Create(output_surface.get(), NULL, 0, false, 1));
LayerTreeSettings settings;
FakeRendererClient renderer_client;
FakeRendererGL renderer(&renderer_client,
&settings,
output_surface.get(),
resource_provider.get());
gfx::Rect viewport_rect(1, 1);
TestRenderPass* root_pass = AddRenderPass(&render_passes_in_draw_order_,
RenderPass::Id(1, 0),
viewport_rect,
gfx::Transform());
root_pass->has_transparent_background = false;
// On DEBUG builds, render passes with opaque background clear to blue to
// easily see regions that were not drawn on the screen.
EXPECT_CALL(*context, discardFramebufferEXT(GL_FRAMEBUFFER, _, _))
.With(Args<2, 1>(ElementsAre(GL_COLOR_EXT)))
.Times(1);
#ifdef NDEBUG
EXPECT_CALL(*context, clear(_)).Times(0);
#else
EXPECT_CALL(*context, clear(_)).Times(1);
#endif
renderer.DrawFrame(&render_passes_in_draw_order_,
NULL,
1.f,
viewport_rect,
viewport_rect,
true,
false);
Mock::VerifyAndClearExpectations(context);
}
TEST_F(GLRendererTest, TransparentBackground) {
scoped_ptr<ClearCountingContext> context_owned(new ClearCountingContext);
ClearCountingContext* context = context_owned.get();
FakeOutputSurfaceClient output_surface_client;
scoped_ptr<OutputSurface> output_surface(FakeOutputSurface::Create3d(
context_owned.PassAs<TestWebGraphicsContext3D>()));
CHECK(output_surface->BindToClient(&output_surface_client));
scoped_ptr<ResourceProvider> resource_provider(
ResourceProvider::Create(output_surface.get(), NULL, 0, false, 1));
LayerTreeSettings settings;
FakeRendererClient renderer_client;
FakeRendererGL renderer(&renderer_client,
&settings,
output_surface.get(),
resource_provider.get());
gfx::Rect viewport_rect(1, 1);
TestRenderPass* root_pass = AddRenderPass(&render_passes_in_draw_order_,
RenderPass::Id(1, 0),
viewport_rect,
gfx::Transform());
root_pass->has_transparent_background = true;
EXPECT_CALL(*context, discardFramebufferEXT(GL_FRAMEBUFFER, 1, _)).Times(1);
EXPECT_CALL(*context, clear(_)).Times(1);
renderer.DrawFrame(&render_passes_in_draw_order_,
NULL,
1.f,
viewport_rect,
viewport_rect,
true,
false);
Mock::VerifyAndClearExpectations(context);
}
TEST_F(GLRendererTest, OffscreenOutputSurface) {
scoped_ptr<ClearCountingContext> context_owned(new ClearCountingContext);
ClearCountingContext* context = context_owned.get();
FakeOutputSurfaceClient output_surface_client;
scoped_ptr<OutputSurface> output_surface(FakeOutputSurface::CreateOffscreen(
context_owned.PassAs<TestWebGraphicsContext3D>()));
CHECK(output_surface->BindToClient(&output_surface_client));
scoped_ptr<ResourceProvider> resource_provider(
ResourceProvider::Create(output_surface.get(), NULL, 0, false, 1));
LayerTreeSettings settings;
FakeRendererClient renderer_client;
FakeRendererGL renderer(&renderer_client,
&settings,
output_surface.get(),
resource_provider.get());
gfx::Rect viewport_rect(1, 1);
AddRenderPass(&render_passes_in_draw_order_,
RenderPass::Id(1, 0),
viewport_rect,
gfx::Transform());
EXPECT_CALL(*context, discardFramebufferEXT(GL_FRAMEBUFFER, _, _))
.With(Args<2, 1>(ElementsAre(GL_COLOR_ATTACHMENT0)))
.Times(1);
EXPECT_CALL(*context, clear(_)).Times(AnyNumber());
renderer.DrawFrame(&render_passes_in_draw_order_,
NULL,
1.f,
viewport_rect,
viewport_rect,
true,
false);
Mock::VerifyAndClearExpectations(context);
}
class VisibilityChangeIsLastCallTrackingContext
: public TestWebGraphicsContext3D {
public:
VisibilityChangeIsLastCallTrackingContext()
: last_call_was_set_visibility_(false) {}
// WebGraphicsContext3D methods.
virtual void flush() {
last_call_was_set_visibility_ = false;
}
virtual void deleteTexture(WebGLId) {
last_call_was_set_visibility_ = false;
}
virtual void deleteFramebuffer(WebGLId) {
last_call_was_set_visibility_ = false;
}
virtual void deleteQueryEXT(WebGLId) {
last_call_was_set_visibility_ = false;
}
virtual void deleteRenderbuffer(WebGLId) {
last_call_was_set_visibility_ = false;
}
// Methods added for test.
void set_last_call_was_visibility(bool visible) {
DCHECK(last_call_was_set_visibility_ == false);
last_call_was_set_visibility_ = true;
}
bool last_call_was_set_visibility() const {
return last_call_was_set_visibility_;
}
private:
bool last_call_was_set_visibility_;
};
TEST_F(GLRendererTest, VisibilityChangeIsLastCall) {
scoped_ptr<VisibilityChangeIsLastCallTrackingContext> context_owned(
new VisibilityChangeIsLastCallTrackingContext);
VisibilityChangeIsLastCallTrackingContext* context = context_owned.get();
scoped_refptr<TestContextProvider> provider = TestContextProvider::Create(
context_owned.PassAs<TestWebGraphicsContext3D>());
provider->support()->SetSurfaceVisibleCallback(base::Bind(
&VisibilityChangeIsLastCallTrackingContext::set_last_call_was_visibility,
base::Unretained(context)));
FakeOutputSurfaceClient output_surface_client;
scoped_ptr<OutputSurface> output_surface(FakeOutputSurface::Create3d(
provider));
CHECK(output_surface->BindToClient(&output_surface_client));
scoped_ptr<ResourceProvider> resource_provider(
ResourceProvider::Create(output_surface.get(), NULL, 0, false, 1));
LayerTreeSettings settings;
FakeRendererClient renderer_client;
FakeRendererGL renderer(&renderer_client,
&settings,
output_surface.get(),
resource_provider.get());
gfx::Rect viewport_rect(1, 1);
AddRenderPass(&render_passes_in_draw_order_,
RenderPass::Id(1, 0),
viewport_rect,
gfx::Transform());
// Ensure that the call to SetSurfaceVisible is the last call issue to the
// GPU process, after glFlush is called, and after the RendererClient's
// SetManagedMemoryPolicy is called. Plumb this tracking between both the
// RenderClient and the Context by giving them both a pointer to a variable on
// the stack.
renderer.SetVisible(true);
renderer.DrawFrame(&render_passes_in_draw_order_,
NULL,
1.f,
viewport_rect,
viewport_rect,
true,
false);
renderer.SetVisible(false);
EXPECT_TRUE(context->last_call_was_set_visibility());
}
class TextureStateTrackingContext : public TestWebGraphicsContext3D {
public:
TextureStateTrackingContext() : active_texture_(GL_INVALID_ENUM) {
test_capabilities_.egl_image_external = true;
}
MOCK_METHOD3(texParameteri,
void(WGC3Denum target, WGC3Denum pname, WGC3Dint param));
MOCK_METHOD4(drawElements,
void(WGC3Denum mode,
WGC3Dsizei count,
WGC3Denum type,
WGC3Dintptr offset));
virtual void activeTexture(WGC3Denum texture) {
EXPECT_NE(texture, active_texture_);
active_texture_ = texture;
}
WGC3Denum active_texture() const { return active_texture_; }
private:
WGC3Denum active_texture_;
};
TEST_F(GLRendererTest, ActiveTextureState) {
scoped_ptr<TextureStateTrackingContext> context_owned(
new TextureStateTrackingContext);
TextureStateTrackingContext* context = context_owned.get();
FakeOutputSurfaceClient output_surface_client;
scoped_ptr<OutputSurface> output_surface(FakeOutputSurface::Create3d(
context_owned.PassAs<TestWebGraphicsContext3D>()));
CHECK(output_surface->BindToClient(&output_surface_client));
scoped_ptr<ResourceProvider> resource_provider(
ResourceProvider::Create(output_surface.get(), NULL, 0, false, 1));
LayerTreeSettings settings;
FakeRendererClient renderer_client;
FakeRendererGL renderer(&renderer_client,
&settings,
output_surface.get(),
resource_provider.get());
// During initialization we are allowed to set any texture parameters.
EXPECT_CALL(*context, texParameteri(_, _, _)).Times(AnyNumber());
RenderPass::Id id(1, 1);
TestRenderPass* root_pass = AddRenderPass(
&render_passes_in_draw_order_, id, gfx::Rect(100, 100), gfx::Transform());
root_pass->AppendOneOfEveryQuadType(resource_provider.get(),
RenderPass::Id(2, 1));
renderer.DecideRenderPassAllocationsForFrame(render_passes_in_draw_order_);
// Set up expected texture filter state transitions that match the quads
// created in AppendOneOfEveryQuadType().
Mock::VerifyAndClearExpectations(context);
{
InSequence sequence;
// yuv_quad is drawn with the default linear filter.
EXPECT_CALL(*context, drawElements(_, _, _, _));
// tile_quad is drawn with GL_NEAREST because it is not transformed or
// scaled.
EXPECT_CALL(
*context,
texParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST));
EXPECT_CALL(
*context,
texParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST));
EXPECT_CALL(*context, drawElements(_, _, _, _));
// transformed_tile_quad uses GL_LINEAR.
EXPECT_CALL(*context, drawElements(_, _, _, _));
// scaled_tile_quad also uses GL_LINEAR.
EXPECT_CALL(*context, drawElements(_, _, _, _));
// The remaining quads also use GL_LINEAR because nearest neighbor
// filtering is currently only used with tile quads.
EXPECT_CALL(*context, drawElements(_, _, _, _)).Times(6);
}
gfx::Rect viewport_rect(100, 100);
renderer.DrawFrame(&render_passes_in_draw_order_,
NULL,
1.f,
viewport_rect,
viewport_rect,
true,
false);
Mock::VerifyAndClearExpectations(context);
}
class NoClearRootRenderPassMockContext : public TestWebGraphicsContext3D {
public:
MOCK_METHOD1(clear, void(WGC3Dbitfield mask));
MOCK_METHOD4(drawElements,
void(WGC3Denum mode,
WGC3Dsizei count,
WGC3Denum type,
WGC3Dintptr offset));
};
TEST_F(GLRendererTest, ShouldClearRootRenderPass) {
scoped_ptr<NoClearRootRenderPassMockContext> mock_context_owned(
new NoClearRootRenderPassMockContext);
NoClearRootRenderPassMockContext* mock_context = mock_context_owned.get();
FakeOutputSurfaceClient output_surface_client;
scoped_ptr<OutputSurface> output_surface(FakeOutputSurface::Create3d(
mock_context_owned.PassAs<TestWebGraphicsContext3D>()));
CHECK(output_surface->BindToClient(&output_surface_client));
scoped_ptr<ResourceProvider> resource_provider(
ResourceProvider::Create(output_surface.get(), NULL, 0, false, 1));
LayerTreeSettings settings;
settings.should_clear_root_render_pass = false;
FakeRendererClient renderer_client;
FakeRendererGL renderer(&renderer_client,
&settings,
output_surface.get(),
resource_provider.get());
gfx::Rect viewport_rect(10, 10);
RenderPass::Id root_pass_id(1, 0);
TestRenderPass* root_pass = AddRenderPass(&render_passes_in_draw_order_,
root_pass_id,
viewport_rect,
gfx::Transform());
AddQuad(root_pass, viewport_rect, SK_ColorGREEN);
RenderPass::Id child_pass_id(2, 0);
TestRenderPass* child_pass = AddRenderPass(&render_passes_in_draw_order_,
child_pass_id,
viewport_rect,
gfx::Transform());
AddQuad(child_pass, viewport_rect, SK_ColorBLUE);
AddRenderPassQuad(root_pass, child_pass);
#ifdef NDEBUG
GLint clear_bits = GL_COLOR_BUFFER_BIT;
#else
GLint clear_bits = GL_COLOR_BUFFER_BIT | GL_STENCIL_BUFFER_BIT;
#endif
// First render pass is not the root one, clearing should happen.
EXPECT_CALL(*mock_context, clear(clear_bits)).Times(AtLeast(1));
Expectation first_render_pass =
EXPECT_CALL(*mock_context, drawElements(_, _, _, _)).Times(1);
// The second render pass is the root one, clearing should be prevented.
EXPECT_CALL(*mock_context, clear(clear_bits)).Times(0).After(
first_render_pass);
EXPECT_CALL(*mock_context, drawElements(_, _, _, _)).Times(AnyNumber()).After(
first_render_pass);
renderer.DecideRenderPassAllocationsForFrame(render_passes_in_draw_order_);
renderer.DrawFrame(&render_passes_in_draw_order_,
NULL,
1.f,
viewport_rect,
viewport_rect,
true,
false);
// In multiple render passes all but the root pass should clear the
// framebuffer.
Mock::VerifyAndClearExpectations(&mock_context);
}
class ScissorTestOnClearCheckingContext : public TestWebGraphicsContext3D {
public:
ScissorTestOnClearCheckingContext() : scissor_enabled_(false) {}
virtual void clear(WGC3Dbitfield) { EXPECT_FALSE(scissor_enabled_); }
virtual void enable(WGC3Denum cap) {
if (cap == GL_SCISSOR_TEST)
scissor_enabled_ = true;
}
virtual void disable(WGC3Denum cap) {
if (cap == GL_SCISSOR_TEST)
scissor_enabled_ = false;
}
private:
bool scissor_enabled_;
};
TEST_F(GLRendererTest, ScissorTestWhenClearing) {
scoped_ptr<ScissorTestOnClearCheckingContext> context_owned(
new ScissorTestOnClearCheckingContext);
FakeOutputSurfaceClient output_surface_client;
scoped_ptr<OutputSurface> output_surface(FakeOutputSurface::Create3d(
context_owned.PassAs<TestWebGraphicsContext3D>()));
CHECK(output_surface->BindToClient(&output_surface_client));
scoped_ptr<ResourceProvider> resource_provider(
ResourceProvider::Create(output_surface.get(), NULL, 0, false, 1));
LayerTreeSettings settings;
FakeRendererClient renderer_client;
FakeRendererGL renderer(&renderer_client,
&settings,
output_surface.get(),
resource_provider.get());
EXPECT_FALSE(renderer.Capabilities().using_partial_swap);
gfx::Rect viewport_rect(1, 1);
gfx::Rect grand_child_rect(25, 25);
RenderPass::Id grand_child_pass_id(3, 0);
TestRenderPass* grand_child_pass =
AddRenderPass(&render_passes_in_draw_order_,
grand_child_pass_id,
grand_child_rect,
gfx::Transform());
AddClippedQuad(grand_child_pass, grand_child_rect, SK_ColorYELLOW);
gfx::Rect child_rect(50, 50);
RenderPass::Id child_pass_id(2, 0);
TestRenderPass* child_pass = AddRenderPass(&render_passes_in_draw_order_,
child_pass_id,
child_rect,
gfx::Transform());
AddQuad(child_pass, child_rect, SK_ColorBLUE);
RenderPass::Id root_pass_id(1, 0);
TestRenderPass* root_pass = AddRenderPass(&render_passes_in_draw_order_,
root_pass_id,
viewport_rect,
gfx::Transform());
AddQuad(root_pass, viewport_rect, SK_ColorGREEN);
AddRenderPassQuad(root_pass, child_pass);
AddRenderPassQuad(child_pass, grand_child_pass);
renderer.DecideRenderPassAllocationsForFrame(render_passes_in_draw_order_);
renderer.DrawFrame(&render_passes_in_draw_order_,
NULL,
1.f,
viewport_rect,
viewport_rect,
true,
false);
}
class DiscardCheckingContext : public TestWebGraphicsContext3D {
public:
DiscardCheckingContext() : discarded_(0) {
set_have_post_sub_buffer(true);
set_have_discard_framebuffer(true);
}
virtual void discardFramebufferEXT(WGC3Denum target,
WGC3Dsizei numAttachments,
const WGC3Denum* attachments) {
++discarded_;
}
int discarded() const { return discarded_; }
void reset() { discarded_ = 0; }
private:
int discarded_;
};
class NonReshapableOutputSurface : public FakeOutputSurface {
public:
explicit NonReshapableOutputSurface(
scoped_ptr<TestWebGraphicsContext3D> context3d)
: FakeOutputSurface(TestContextProvider::Create(context3d.Pass()),
false) {
surface_size_ = gfx::Size(500, 500);
}
virtual void Reshape(gfx::Size size, float scale_factor) OVERRIDE {}
void set_fixed_size(gfx::Size size) { surface_size_ = size; }
};
TEST_F(GLRendererTest, NoDiscardOnPartialUpdates) {
scoped_ptr<DiscardCheckingContext> context_owned(new DiscardCheckingContext);
DiscardCheckingContext* context = context_owned.get();
FakeOutputSurfaceClient output_surface_client;
scoped_ptr<NonReshapableOutputSurface> output_surface(
new NonReshapableOutputSurface(
context_owned.PassAs<TestWebGraphicsContext3D>()));
CHECK(output_surface->BindToClient(&output_surface_client));
output_surface->set_fixed_size(gfx::Size(100, 100));
scoped_ptr<ResourceProvider> resource_provider(
ResourceProvider::Create(output_surface.get(), NULL, 0, false, 1));
LayerTreeSettings settings;
settings.partial_swap_enabled = true;
FakeRendererClient renderer_client;
FakeRendererGL renderer(&renderer_client,
&settings,
output_surface.get(),
resource_provider.get());
EXPECT_TRUE(renderer.Capabilities().using_partial_swap);
gfx::Rect viewport_rect(100, 100);
gfx::Rect clip_rect(100, 100);
{
// Partial frame, should not discard.
RenderPass::Id root_pass_id(1, 0);
TestRenderPass* root_pass = AddRenderPass(&render_passes_in_draw_order_,
root_pass_id,
viewport_rect,
gfx::Transform());
AddQuad(root_pass, viewport_rect, SK_ColorGREEN);
root_pass->damage_rect = gfx::RectF(2.f, 2.f, 3.f, 3.f);
renderer.DecideRenderPassAllocationsForFrame(render_passes_in_draw_order_);
renderer.DrawFrame(&render_passes_in_draw_order_,
NULL,
1.f,
viewport_rect,
clip_rect,
true,
false);
EXPECT_EQ(0, context->discarded());
context->reset();
}
{
// Full frame, should discard.
RenderPass::Id root_pass_id(1, 0);
TestRenderPass* root_pass = AddRenderPass(&render_passes_in_draw_order_,
root_pass_id,
viewport_rect,
gfx::Transform());
AddQuad(root_pass, viewport_rect, SK_ColorGREEN);
root_pass->damage_rect = gfx::RectF(root_pass->output_rect);
renderer.DecideRenderPassAllocationsForFrame(render_passes_in_draw_order_);
renderer.DrawFrame(&render_passes_in_draw_order_,
NULL,
1.f,
viewport_rect,
clip_rect,
true,
false);
EXPECT_EQ(1, context->discarded());
context->reset();
}
{
// Partial frame, disallow partial swap, should discard.
RenderPass::Id root_pass_id(1, 0);
TestRenderPass* root_pass = AddRenderPass(&render_passes_in_draw_order_,
root_pass_id,
viewport_rect,
gfx::Transform());
AddQuad(root_pass, viewport_rect, SK_ColorGREEN);
root_pass->damage_rect = gfx::RectF(2.f, 2.f, 3.f, 3.f);
renderer.DecideRenderPassAllocationsForFrame(render_passes_in_draw_order_);
renderer.DrawFrame(&render_passes_in_draw_order_,
NULL,
1.f,
viewport_rect,
clip_rect,
false,
false);
EXPECT_EQ(1, context->discarded());
context->reset();
}
{
// Full frame, external scissor is set, should not discard.
output_surface->set_has_external_stencil_test(true);
RenderPass::Id root_pass_id(1, 0);
TestRenderPass* root_pass = AddRenderPass(&render_passes_in_draw_order_,
root_pass_id,
viewport_rect,
gfx::Transform());
AddQuad(root_pass, viewport_rect, SK_ColorGREEN);
root_pass->damage_rect = gfx::RectF(root_pass->output_rect);
root_pass->has_transparent_background = false;
renderer.DecideRenderPassAllocationsForFrame(render_passes_in_draw_order_);
renderer.DrawFrame(&render_passes_in_draw_order_,
NULL,
1.f,
viewport_rect,
clip_rect,
true,
false);
EXPECT_EQ(0, context->discarded());
context->reset();
output_surface->set_has_external_stencil_test(false);
}
{
// Full frame, clipped, should not discard.
clip_rect = gfx::Rect(10, 10, 10, 10);
RenderPass::Id root_pass_id(1, 0);
TestRenderPass* root_pass = AddRenderPass(&render_passes_in_draw_order_,
root_pass_id,
viewport_rect,
gfx::Transform());
AddQuad(root_pass, viewport_rect, SK_ColorGREEN);
root_pass->damage_rect = gfx::RectF(root_pass->output_rect);
renderer.DecideRenderPassAllocationsForFrame(render_passes_in_draw_order_);
renderer.DrawFrame(&render_passes_in_draw_order_,
NULL,
1.f,
viewport_rect,
clip_rect,
true,
false);
EXPECT_EQ(0, context->discarded());
context->reset();
}
{
// Full frame, doesn't cover the surface, should not discard.
viewport_rect = gfx::Rect(10, 10, 10, 10);
RenderPass::Id root_pass_id(1, 0);
TestRenderPass* root_pass = AddRenderPass(&render_passes_in_draw_order_,
root_pass_id,
viewport_rect,
gfx::Transform());
AddQuad(root_pass, viewport_rect, SK_ColorGREEN);
root_pass->damage_rect = gfx::RectF(root_pass->output_rect);
renderer.DecideRenderPassAllocationsForFrame(render_passes_in_draw_order_);
renderer.DrawFrame(&render_passes_in_draw_order_,
NULL,
1.f,
viewport_rect,
clip_rect,
true,
false);
EXPECT_EQ(0, context->discarded());
context->reset();
}
{
// Full frame, doesn't cover the surface (no offset), should not discard.
clip_rect = gfx::Rect(100, 100);
viewport_rect = gfx::Rect(50, 50);
RenderPass::Id root_pass_id(1, 0);
TestRenderPass* root_pass = AddRenderPass(&render_passes_in_draw_order_,
root_pass_id,
viewport_rect,
gfx::Transform());
AddQuad(root_pass, viewport_rect, SK_ColorGREEN);
root_pass->damage_rect = gfx::RectF(root_pass->output_rect);
renderer.DecideRenderPassAllocationsForFrame(render_passes_in_draw_order_);
renderer.DrawFrame(&render_passes_in_draw_order_,
NULL,
1.f,
viewport_rect,
clip_rect,
true,
false);
EXPECT_EQ(0, context->discarded());
context->reset();
}
}
class FlippedScissorAndViewportContext : public TestWebGraphicsContext3D {
public:
FlippedScissorAndViewportContext()
: did_call_viewport_(false), did_call_scissor_(false) {}
virtual ~FlippedScissorAndViewportContext() {
EXPECT_TRUE(did_call_viewport_);
EXPECT_TRUE(did_call_scissor_);
}
virtual void viewport(GLint x, GLint y, GLsizei width, GLsizei height) {
EXPECT_EQ(10, x);
EXPECT_EQ(390, y);
EXPECT_EQ(100, width);
EXPECT_EQ(100, height);
did_call_viewport_ = true;
}
virtual void scissor(GLint x, GLint y, GLsizei width, GLsizei height) {
EXPECT_EQ(30, x);
EXPECT_EQ(450, y);
EXPECT_EQ(20, width);
EXPECT_EQ(20, height);
did_call_scissor_ = true;
}
private:
bool did_call_viewport_;
bool did_call_scissor_;
};
TEST_F(GLRendererTest, ScissorAndViewportWithinNonreshapableSurface) {
// In Android WebView, the OutputSurface is unable to respect reshape() calls
// and maintains a fixed size. This test verifies that glViewport and
// glScissor's Y coordinate is flipped correctly in this environment, and that
// the glViewport can be at a nonzero origin within the surface.
scoped_ptr<FlippedScissorAndViewportContext> context_owned(
new FlippedScissorAndViewportContext);
FakeOutputSurfaceClient output_surface_client;
scoped_ptr<OutputSurface> output_surface(new NonReshapableOutputSurface(
context_owned.PassAs<TestWebGraphicsContext3D>()));
CHECK(output_surface->BindToClient(&output_surface_client));
scoped_ptr<ResourceProvider> resource_provider(
ResourceProvider::Create(output_surface.get(), NULL, 0, false, 1));
LayerTreeSettings settings;
FakeRendererClient renderer_client;
FakeRendererGL renderer(&renderer_client,
&settings,
output_surface.get(),
resource_provider.get());
EXPECT_FALSE(renderer.Capabilities().using_partial_swap);
gfx::Rect device_viewport_rect(10, 10, 100, 100);
gfx::Rect viewport_rect(device_viewport_rect.size());
gfx::Rect quad_rect = gfx::Rect(20, 20, 20, 20);
RenderPass::Id root_pass_id(1, 0);
TestRenderPass* root_pass = AddRenderPass(&render_passes_in_draw_order_,
root_pass_id,
viewport_rect,
gfx::Transform());
AddClippedQuad(root_pass, quad_rect, SK_ColorGREEN);
renderer.DecideRenderPassAllocationsForFrame(render_passes_in_draw_order_);
renderer.DrawFrame(&render_passes_in_draw_order_,
NULL,
1.f,
device_viewport_rect,
device_viewport_rect,
true,
false);
}
TEST_F(GLRendererShaderTest, DrawRenderPassQuadShaderPermutations) {
gfx::Rect viewport_rect(1, 1);
gfx::Rect child_rect(50, 50);
RenderPass::Id child_pass_id(2, 0);
TestRenderPass* child_pass;
RenderPass::Id root_pass_id(1, 0);
TestRenderPass* root_pass;
ResourceProvider::ResourceId mask = resource_provider_->CreateResource(
gfx::Size(20, 12),
GL_CLAMP_TO_EDGE,
ResourceProvider::TextureUsageAny,
resource_provider_->best_texture_format());
resource_provider_->AllocateForTesting(mask);
SkScalar matrix[20];
float amount = 0.5f;
matrix[0] = 0.213f + 0.787f * amount;
matrix[1] = 0.715f - 0.715f * amount;
matrix[2] = 1.f - (matrix[0] + matrix[1]);
matrix[3] = matrix[4] = 0;
matrix[5] = 0.213f - 0.213f * amount;
matrix[6] = 0.715f + 0.285f * amount;
matrix[7] = 1.f - (matrix[5] + matrix[6]);
matrix[8] = matrix[9] = 0;
matrix[10] = 0.213f - 0.213f * amount;
matrix[11] = 0.715f - 0.715f * amount;
matrix[12] = 1.f - (matrix[10] + matrix[11]);
matrix[13] = matrix[14] = 0;
matrix[15] = matrix[16] = matrix[17] = matrix[19] = 0;
matrix[18] = 1;
skia::RefPtr<SkColorFilter> color_filter(
skia::AdoptRef(new SkColorMatrixFilter(matrix)));
skia::RefPtr<SkImageFilter> filter = skia::AdoptRef(
SkColorFilterImageFilter::Create(color_filter.get(), NULL));
FilterOperations filters;
filters.Append(FilterOperation::CreateReferenceFilter(filter));
gfx::Transform transform_causing_aa;
transform_causing_aa.Rotate(20.0);
// RenderPassProgram
child_pass = AddRenderPass(&render_passes_in_draw_order_,
child_pass_id,
child_rect,
gfx::Transform());
root_pass = AddRenderPass(&render_passes_in_draw_order_,
root_pass_id,
viewport_rect,
gfx::Transform());
AddRenderPassQuad(
root_pass, child_pass, 0, FilterOperations(), gfx::Transform());
renderer_->DecideRenderPassAllocationsForFrame(render_passes_in_draw_order_);
renderer_->DrawFrame(&render_passes_in_draw_order_,
NULL,
1.f,
viewport_rect,
viewport_rect,
true,
false);
TestRenderPassProgram(TexCoordPrecisionMedium);
// RenderPassColorMatrixProgram
render_passes_in_draw_order_.clear();
child_pass = AddRenderPass(&render_passes_in_draw_order_,
child_pass_id,
child_rect,
transform_causing_aa);
root_pass = AddRenderPass(&render_passes_in_draw_order_,
root_pass_id,
viewport_rect,
gfx::Transform());
AddRenderPassQuad(root_pass, child_pass, 0, filters, gfx::Transform());
renderer_->DecideRenderPassAllocationsForFrame(render_passes_in_draw_order_);
renderer_->DrawFrame(&render_passes_in_draw_order_,
NULL,
1.f,
viewport_rect,
viewport_rect,
true,
false);
TestRenderPassColorMatrixProgram(TexCoordPrecisionMedium);
// RenderPassMaskProgram
render_passes_in_draw_order_.clear();
child_pass = AddRenderPass(&render_passes_in_draw_order_,
child_pass_id,
child_rect,
gfx::Transform());
root_pass = AddRenderPass(&render_passes_in_draw_order_,
root_pass_id,
viewport_rect,
gfx::Transform());
AddRenderPassQuad(
root_pass, child_pass, mask, FilterOperations(), gfx::Transform());
renderer_->DecideRenderPassAllocationsForFrame(render_passes_in_draw_order_);
renderer_->DrawFrame(&render_passes_in_draw_order_,
NULL,
1.f,
viewport_rect,
viewport_rect,
true,
false);
TestRenderPassMaskProgram(TexCoordPrecisionMedium);
// RenderPassMaskColorMatrixProgram
render_passes_in_draw_order_.clear();
child_pass = AddRenderPass(&render_passes_in_draw_order_,
child_pass_id,
child_rect,
gfx::Transform());
root_pass = AddRenderPass(&render_passes_in_draw_order_,
root_pass_id,
viewport_rect,
gfx::Transform());
AddRenderPassQuad(root_pass, child_pass, mask, filters, gfx::Transform());
renderer_->DecideRenderPassAllocationsForFrame(render_passes_in_draw_order_);
renderer_->DrawFrame(&render_passes_in_draw_order_,
NULL,
1.f,
viewport_rect,
viewport_rect,
true,
false);
TestRenderPassMaskColorMatrixProgram(TexCoordPrecisionMedium);
// RenderPassProgramAA
render_passes_in_draw_order_.clear();
child_pass = AddRenderPass(&render_passes_in_draw_order_,
child_pass_id,
child_rect,
transform_causing_aa);
root_pass = AddRenderPass(&render_passes_in_draw_order_,
root_pass_id,
viewport_rect,
gfx::Transform());
AddRenderPassQuad(
root_pass, child_pass, 0, FilterOperations(), transform_causing_aa);
renderer_->DecideRenderPassAllocationsForFrame(render_passes_in_draw_order_);
renderer_->DrawFrame(&render_passes_in_draw_order_,
NULL,
1.f,
viewport_rect,
viewport_rect,
true,
false);
TestRenderPassProgramAA(TexCoordPrecisionMedium);
// RenderPassColorMatrixProgramAA
render_passes_in_draw_order_.clear();
child_pass = AddRenderPass(&render_passes_in_draw_order_,
child_pass_id,
child_rect,
transform_causing_aa);
root_pass = AddRenderPass(&render_passes_in_draw_order_,
root_pass_id,
viewport_rect,
gfx::Transform());
AddRenderPassQuad(root_pass, child_pass, 0, filters, transform_causing_aa);
renderer_->DecideRenderPassAllocationsForFrame(render_passes_in_draw_order_);
renderer_->DrawFrame(&render_passes_in_draw_order_,
NULL,
1.f,
viewport_rect,
viewport_rect,
true,
false);
TestRenderPassColorMatrixProgramAA(TexCoordPrecisionMedium);
// RenderPassMaskProgramAA
render_passes_in_draw_order_.clear();
child_pass = AddRenderPass(&render_passes_in_draw_order_,
child_pass_id,
child_rect,
transform_causing_aa);
root_pass = AddRenderPass(&render_passes_in_draw_order_,
root_pass_id,
viewport_rect,
gfx::Transform());
AddRenderPassQuad(
root_pass, child_pass, mask, FilterOperations(), transform_causing_aa);
renderer_->DecideRenderPassAllocationsForFrame(render_passes_in_draw_order_);
renderer_->DrawFrame(&render_passes_in_draw_order_,
NULL,
1.f,
viewport_rect,
viewport_rect,
true,
false);
TestRenderPassMaskProgramAA(TexCoordPrecisionMedium);
// RenderPassMaskColorMatrixProgramAA
render_passes_in_draw_order_.clear();
child_pass = AddRenderPass(&render_passes_in_draw_order_,
child_pass_id,
child_rect,
transform_causing_aa);
root_pass = AddRenderPass(&render_passes_in_draw_order_,
root_pass_id,
viewport_rect,
transform_causing_aa);
AddRenderPassQuad(root_pass, child_pass, mask, filters, transform_causing_aa);
renderer_->DecideRenderPassAllocationsForFrame(render_passes_in_draw_order_);
renderer_->DrawFrame(&render_passes_in_draw_order_,
NULL,
1.f,
viewport_rect,
viewport_rect,
true,
false);
TestRenderPassMaskColorMatrixProgramAA(TexCoordPrecisionMedium);
}
// At this time, the AA code path cannot be taken if the surface's rect would
// project incorrectly by the given transform, because of w<0 clipping.
TEST_F(GLRendererShaderTest, DrawRenderPassQuadSkipsAAForClippingTransform) {
gfx::Rect child_rect(50, 50);
RenderPass::Id child_pass_id(2, 0);
TestRenderPass* child_pass;
gfx::Rect viewport_rect(1, 1);
RenderPass::Id root_pass_id(1, 0);
TestRenderPass* root_pass;
gfx::Transform transform_preventing_aa;
transform_preventing_aa.ApplyPerspectiveDepth(40.0);
transform_preventing_aa.RotateAboutYAxis(-20.0);
transform_preventing_aa.Scale(30.0, 1.0);
// Verify that the test transform and test rect actually do cause the clipped
// flag to trigger. Otherwise we are not testing the intended scenario.
bool clipped = false;
MathUtil::MapQuad(transform_preventing_aa, gfx::QuadF(child_rect), &clipped);
ASSERT_TRUE(clipped);
child_pass = AddRenderPass(&render_passes_in_draw_order_,
child_pass_id,
child_rect,
transform_preventing_aa);
root_pass = AddRenderPass(&render_passes_in_draw_order_,
root_pass_id,
viewport_rect,
gfx::Transform());
AddRenderPassQuad(
root_pass, child_pass, 0, FilterOperations(), transform_preventing_aa);
renderer_->DecideRenderPassAllocationsForFrame(render_passes_in_draw_order_);
renderer_->DrawFrame(&render_passes_in_draw_order_,
NULL,
1.f,
viewport_rect,
viewport_rect,
true,
false);
// If use_aa incorrectly ignores clipping, it will use the
// RenderPassProgramAA shader instead of the RenderPassProgram.
TestRenderPassProgram(TexCoordPrecisionMedium);
}
TEST_F(GLRendererShaderTest, DrawSolidColorShader) {
gfx::Rect viewport_rect(1, 1);
RenderPass::Id root_pass_id(1, 0);
TestRenderPass* root_pass;
gfx::Transform pixel_aligned_transform_causing_aa;
pixel_aligned_transform_causing_aa.Translate(25.5f, 25.5f);
pixel_aligned_transform_causing_aa.Scale(0.5f, 0.5f);
root_pass = AddRenderPass(&render_passes_in_draw_order_,
root_pass_id,
viewport_rect,
gfx::Transform());
AddTransformedQuad(root_pass,
viewport_rect,
SK_ColorYELLOW,
pixel_aligned_transform_causing_aa);
renderer_->DecideRenderPassAllocationsForFrame(render_passes_in_draw_order_);
renderer_->DrawFrame(&render_passes_in_draw_order_,
NULL,
1.f,
viewport_rect,
viewport_rect,
true,
false);
TestSolidColorProgramAA();
}
class OutputSurfaceMockContext : public TestWebGraphicsContext3D {
public:
OutputSurfaceMockContext() {
test_capabilities_.post_sub_buffer = true;
}
// Specifically override methods even if they are unused (used in conjunction
// with StrictMock). We need to make sure that GLRenderer does not issue
// framebuffer-related GL calls directly. Instead these are supposed to go
// through the OutputSurface abstraction.
MOCK_METHOD2(bindFramebuffer, void(WGC3Denum target, WebGLId framebuffer));
MOCK_METHOD3(reshapeWithScaleFactor,
void(int width, int height, float scale_factor));
MOCK_METHOD4(drawElements,
void(WGC3Denum mode,
WGC3Dsizei count,
WGC3Denum type,
WGC3Dintptr offset));
};
class MockOutputSurface : public OutputSurface {
public:
MockOutputSurface()
: OutputSurface(
TestContextProvider::Create(scoped_ptr<TestWebGraphicsContext3D>(
new StrictMock<OutputSurfaceMockContext>))) {
surface_size_ = gfx::Size(100, 100);
}
virtual ~MockOutputSurface() {}
MOCK_METHOD0(EnsureBackbuffer, void());
MOCK_METHOD0(DiscardBackbuffer, void());
MOCK_METHOD2(Reshape, void(gfx::Size size, float scale_factor));
MOCK_METHOD0(BindFramebuffer, void());
MOCK_METHOD1(SwapBuffers, void(CompositorFrame* frame));
};
class MockOutputSurfaceTest : public GLRendererTest {
protected:
virtual void SetUp() {
FakeOutputSurfaceClient output_surface_client_;
CHECK(output_surface_.BindToClient(&output_surface_client_));
resource_provider_ =
ResourceProvider::Create(&output_surface_, NULL, 0, false, 1).Pass();
renderer_.reset(new FakeRendererGL(&renderer_client_,
&settings_,
&output_surface_,
resource_provider_.get()));
}
void SwapBuffers() { renderer_->SwapBuffers(CompositorFrameMetadata()); }
void DrawFrame(float device_scale_factor, gfx::Rect device_viewport_rect) {
RenderPass::Id render_pass_id(1, 0);
TestRenderPass* render_pass = AddRenderPass(&render_passes_in_draw_order_,
render_pass_id,
device_viewport_rect,
gfx::Transform());
AddQuad(render_pass, device_viewport_rect, SK_ColorGREEN);
EXPECT_CALL(output_surface_, EnsureBackbuffer()).WillRepeatedly(Return());
EXPECT_CALL(output_surface_,
Reshape(device_viewport_rect.size(), device_scale_factor))
.Times(1);
EXPECT_CALL(output_surface_, BindFramebuffer()).Times(1);
EXPECT_CALL(*Context(), drawElements(_, _, _, _)).Times(1);
renderer_->DecideRenderPassAllocationsForFrame(
render_passes_in_draw_order_);
renderer_->DrawFrame(&render_passes_in_draw_order_,
NULL,
device_scale_factor,
device_viewport_rect,
device_viewport_rect,
true,
false);
}
OutputSurfaceMockContext* Context() {
return static_cast<OutputSurfaceMockContext*>(
output_surface_.context_provider()->Context3d());
}
LayerTreeSettings settings_;
FakeOutputSurfaceClient output_surface_client_;
StrictMock<MockOutputSurface> output_surface_;
scoped_ptr<ResourceProvider> resource_provider_;
FakeRendererClient renderer_client_;
scoped_ptr<FakeRendererGL> renderer_;
};
TEST_F(MockOutputSurfaceTest, DrawFrameAndSwap) {
gfx::Rect device_viewport_rect(1, 1);
DrawFrame(1.f, device_viewport_rect);
EXPECT_CALL(output_surface_, SwapBuffers(_)).Times(1);
renderer_->SwapBuffers(CompositorFrameMetadata());
}
TEST_F(MockOutputSurfaceTest, DrawFrameAndResizeAndSwap) {
gfx::Rect device_viewport_rect(1, 1);
DrawFrame(1.f, device_viewport_rect);
EXPECT_CALL(output_surface_, SwapBuffers(_)).Times(1);
renderer_->SwapBuffers(CompositorFrameMetadata());
device_viewport_rect = gfx::Rect(2, 2);
DrawFrame(2.f, device_viewport_rect);
EXPECT_CALL(output_surface_, SwapBuffers(_)).Times(1);
renderer_->SwapBuffers(CompositorFrameMetadata());
DrawFrame(2.f, device_viewport_rect);
EXPECT_CALL(output_surface_, SwapBuffers(_)).Times(1);
renderer_->SwapBuffers(CompositorFrameMetadata());
device_viewport_rect = gfx::Rect(1, 1);
DrawFrame(1.f, device_viewport_rect);
EXPECT_CALL(output_surface_, SwapBuffers(_)).Times(1);
renderer_->SwapBuffers(CompositorFrameMetadata());
}
class GLRendererTestSyncPoint : public GLRendererPixelTest {
protected:
static void SyncPointCallback(int* callback_count) {
++(*callback_count);
base::MessageLoop::current()->QuitWhenIdle();
}
static void OtherCallback(int* callback_count) {
++(*callback_count);
base::MessageLoop::current()->QuitWhenIdle();
}
};
#if !defined(OS_ANDROID)
TEST_F(GLRendererTestSyncPoint, SignalSyncPointOnLostContext) {
int sync_point_callback_count = 0;
int other_callback_count = 0;
blink::WebGraphicsContext3D* context3d =
output_surface_->context_provider()->Context3d();
gpu::ContextSupport* context_support =
output_surface_->context_provider()->ContextSupport();
uint32 sync_point = context3d->insertSyncPoint();
context3d->loseContextCHROMIUM(GL_GUILTY_CONTEXT_RESET_ARB,
GL_INNOCENT_CONTEXT_RESET_ARB);
context_support->SignalSyncPoint(
sync_point, base::Bind(&SyncPointCallback, &sync_point_callback_count));
EXPECT_EQ(0, sync_point_callback_count);
EXPECT_EQ(0, other_callback_count);
// Make the sync point happen.
context3d->finish();
// Post a task after the sync point.
base::MessageLoop::current()->PostTask(
FROM_HERE, base::Bind(&OtherCallback, &other_callback_count));
base::MessageLoop::current()->Run();
// The sync point shouldn't have happened since the context was lost.
EXPECT_EQ(0, sync_point_callback_count);
EXPECT_EQ(1, other_callback_count);
}
TEST_F(GLRendererTestSyncPoint, SignalSyncPoint) {
int sync_point_callback_count = 0;
int other_callback_count = 0;
blink::WebGraphicsContext3D* context3d =
output_surface_->context_provider()->Context3d();
gpu::ContextSupport* context_support =
output_surface_->context_provider()->ContextSupport();
uint32 sync_point = context3d->insertSyncPoint();
context_support->SignalSyncPoint(
sync_point, base::Bind(&SyncPointCallback, &sync_point_callback_count));
EXPECT_EQ(0, sync_point_callback_count);
EXPECT_EQ(0, other_callback_count);
// Make the sync point happen.
context3d->finish();
// Post a task after the sync point.
base::MessageLoop::current()->PostTask(
FROM_HERE, base::Bind(&OtherCallback, &other_callback_count));
base::MessageLoop::current()->Run();
// The sync point should have happened.
EXPECT_EQ(1, sync_point_callback_count);
EXPECT_EQ(1, other_callback_count);
}
#endif // OS_ANDROID
} // namespace
} // namespace cc