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gl_renderer_unittest.cc
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gl_renderer_unittest.cc
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// 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_shared_bitmap_manager.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;
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_));
shared_bitmap_manager_.reset(new TestSharedBitmapManager());
resource_provider_ =
ResourceProvider::Create(
output_surface_.get(), shared_bitmap_manager_.get(), 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<SharedBitmapManager> shared_bitmap_manager_;
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_));
shared_bitmap_manager_.reset(new TestSharedBitmapManager());
resource_provider_ =
ResourceProvider::Create(
output_surface_.get(), shared_bitmap_manager_.get(), 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<SharedBitmapManager> shared_bitmap_manager_;
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_,
1.f,
viewport_rect,
viewport_rect,
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_,
1.f,
viewport_rect,
viewport_rect,
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_,
1.f,
viewport_rect,
viewport_rect,
false);
EXPECT_TRUE(renderer_->stencil_enabled());
}
class ForbidSynchronousCallContext : public TestWebGraphicsContext3D {
public:
ForbidSynchronousCallContext() {}
virtual void getAttachedShaders(GLuint program,
GLsizei max_count,
GLsizei* count,
GLuint* shaders) OVERRIDE {
ADD_FAILURE();
}
virtual GLint getAttribLocation(GLuint program, const GLchar* name) OVERRIDE {
ADD_FAILURE();
return 0;
}
virtual void getBooleanv(GLenum pname, GLboolean* value) OVERRIDE {
ADD_FAILURE();
}
virtual void getBufferParameteriv(GLenum target,
GLenum pname,
GLint* value) OVERRIDE {
ADD_FAILURE();
}
virtual GLenum getError() OVERRIDE {
ADD_FAILURE();
return GL_NO_ERROR;
}
virtual void getFloatv(GLenum pname, GLfloat* value) OVERRIDE {
ADD_FAILURE();
}
virtual void getFramebufferAttachmentParameteriv(GLenum target,
GLenum attachment,
GLenum pname,
GLint* value) OVERRIDE {
ADD_FAILURE();
}
virtual void getIntegerv(GLenum pname, GLint* value) OVERRIDE {
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(GLuint program,
GLenum pname,
GLint* value) OVERRIDE {
#ifndef NDEBUG
*value = 1;
#else
ADD_FAILURE();
#endif
}
virtual void getShaderiv(GLuint shader, GLenum pname, GLint* value) OVERRIDE {
#ifndef NDEBUG
*value = 1;
#else
ADD_FAILURE();
#endif
}
virtual void getRenderbufferParameteriv(GLenum target,
GLenum pname,
GLint* value) OVERRIDE {
ADD_FAILURE();
}
virtual void getShaderPrecisionFormat(GLenum shadertype,
GLenum precisiontype,
GLint* range,
GLint* precision) OVERRIDE {
ADD_FAILURE();
}
virtual void getTexParameterfv(GLenum target,
GLenum pname,
GLfloat* value) OVERRIDE {
ADD_FAILURE();
}
virtual void getTexParameteriv(GLenum target,
GLenum pname,
GLint* value) OVERRIDE {
ADD_FAILURE();
}
virtual void getUniformfv(GLuint program,
GLint location,
GLfloat* value) OVERRIDE {
ADD_FAILURE();
}
virtual void getUniformiv(GLuint program,
GLint location,
GLint* value) OVERRIDE {
ADD_FAILURE();
}
virtual GLint getUniformLocation(GLuint program,
const GLchar* name) OVERRIDE {
ADD_FAILURE();
return 0;
}
virtual void getVertexAttribfv(GLuint index,
GLenum pname,
GLfloat* value) OVERRIDE {
ADD_FAILURE();
}
virtual void getVertexAttribiv(GLuint index,
GLenum pname,
GLint* value) OVERRIDE {
ADD_FAILURE();
}
virtual GLsizeiptr getVertexAttribOffset(GLuint index,
GLenum pname) OVERRIDE {
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<SharedBitmapManager> shared_bitmap_manager(
new TestSharedBitmapManager());
scoped_ptr<ResourceProvider> resource_provider(ResourceProvider::Create(
output_surface.get(), shared_bitmap_manager.get(), 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(GLuint program,
GLenum pname,
GLint* value) OVERRIDE {
context_lost_ = true;
*value = 0;
}
virtual void getShaderiv(GLuint shader, GLenum pname, GLint* 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<SharedBitmapManager> shared_bitmap_manager(
new TestSharedBitmapManager());
scoped_ptr<ResourceProvider> resource_provider(ResourceProvider::Create(
output_surface.get(), shared_bitmap_manager.get(), 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_.gpu.discard_framebuffer = true; }
MOCK_METHOD3(discardFramebufferEXT,
void(GLenum target,
GLsizei numAttachments,
const GLenum* attachments));
MOCK_METHOD1(clear, void(GLbitfield 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<SharedBitmapManager> shared_bitmap_manager(
new TestSharedBitmapManager());
scoped_ptr<ResourceProvider> resource_provider(ResourceProvider::Create(
output_surface.get(), shared_bitmap_manager.get(), 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_,
1.f,
viewport_rect,
viewport_rect,
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<SharedBitmapManager> shared_bitmap_manager(
new TestSharedBitmapManager());
scoped_ptr<ResourceProvider> resource_provider(ResourceProvider::Create(
output_surface.get(), shared_bitmap_manager.get(), 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_,
1.f,
viewport_rect,
viewport_rect,
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<SharedBitmapManager> shared_bitmap_manager(
new TestSharedBitmapManager());
scoped_ptr<ResourceProvider> resource_provider(ResourceProvider::Create(
output_surface.get(), shared_bitmap_manager.get(), 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_,
1.f,
viewport_rect,
viewport_rect,
false);
Mock::VerifyAndClearExpectations(context);
}
class VisibilityChangeIsLastCallTrackingContext
: public TestWebGraphicsContext3D {
public:
VisibilityChangeIsLastCallTrackingContext()
: last_call_was_set_visibility_(false) {}
// TestWebGraphicsContext3D methods.
virtual void flush() OVERRIDE { last_call_was_set_visibility_ = false; }
virtual void deleteTexture(GLuint) OVERRIDE {
last_call_was_set_visibility_ = false;
}
virtual void deleteFramebuffer(GLuint) OVERRIDE {
last_call_was_set_visibility_ = false;
}
virtual void deleteQueryEXT(GLuint) OVERRIDE {
last_call_was_set_visibility_ = false;
}
virtual void deleteRenderbuffer(GLuint) OVERRIDE {
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<SharedBitmapManager> shared_bitmap_manager(
new TestSharedBitmapManager());
scoped_ptr<ResourceProvider> resource_provider(ResourceProvider::Create(
output_surface.get(), shared_bitmap_manager.get(), 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_,
1.f,
viewport_rect,
viewport_rect,
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_.gpu.egl_image_external = true;
}
MOCK_METHOD3(texParameteri, void(GLenum target, GLenum pname, GLint param));
MOCK_METHOD4(drawElements,
void(GLenum mode, GLsizei count, GLenum type, GLintptr offset));
virtual void activeTexture(GLenum texture) {
EXPECT_NE(texture, active_texture_);
active_texture_ = texture;
}
GLenum active_texture() const { return active_texture_; }
private:
GLenum 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<SharedBitmapManager> shared_bitmap_manager(
new TestSharedBitmapManager());
scoped_ptr<ResourceProvider> resource_provider(ResourceProvider::Create(
output_surface.get(), shared_bitmap_manager.get(), 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_,
1.f,
viewport_rect,
viewport_rect,
false);
Mock::VerifyAndClearExpectations(context);
}
class NoClearRootRenderPassMockContext : public TestWebGraphicsContext3D {
public:
MOCK_METHOD1(clear, void(GLbitfield mask));
MOCK_METHOD4(drawElements,
void(GLenum mode, GLsizei count, GLenum type, GLintptr 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<SharedBitmapManager> shared_bitmap_manager(
new TestSharedBitmapManager());
scoped_ptr<ResourceProvider> resource_provider(ResourceProvider::Create(
output_surface.get(), shared_bitmap_manager.get(), 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_,
1.f,
viewport_rect,
viewport_rect,
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(GLbitfield) OVERRIDE { EXPECT_FALSE(scissor_enabled_); }
virtual void enable(GLenum cap) OVERRIDE {
if (cap == GL_SCISSOR_TEST)
scissor_enabled_ = true;
}
virtual void disable(GLenum cap) OVERRIDE {
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<SharedBitmapManager> shared_bitmap_manager(
new TestSharedBitmapManager());
scoped_ptr<ResourceProvider> resource_provider(ResourceProvider::Create(
output_surface.get(), shared_bitmap_manager.get(), 0, false, 1));
LayerTreeSettings settings;
FakeRendererClient renderer_client;
FakeRendererGL renderer(&renderer_client,
&settings,
output_surface.get(),