// 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/draw_quad.h"

#include "base/bind.h"
#include "cc/checkerboard_draw_quad.h"
#include "cc/debug_border_draw_quad.h"
#include "cc/io_surface_draw_quad.h"
#include "cc/math_util.h"
#include "cc/render_pass_draw_quad.h"
#include "cc/solid_color_draw_quad.h"
#include "cc/stream_video_draw_quad.h"
#include "cc/test/geometry_test_utils.h"
#include "cc/texture_draw_quad.h"
#include "cc/tile_draw_quad.h"
#include "cc/yuv_video_draw_quad.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/WebKit/Source/Platform/chromium/public/WebFilterOperations.h"
#include "third_party/skia/include/effects/SkBlurImageFilter.h"
#include "ui/gfx/transform.h"

namespace cc {
namespace {

TEST(DrawQuadTest, copySharedQuadState)
{
    gfx::Transform quadTransform = gfx::Transform(1.0, 0.0, 0.5, 1.0, 0.5, 0.0);
    gfx::Size contentBounds(26, 28);
    gfx::Rect visibleContentRect(10, 12, 14, 16);
    gfx::Rect clipRect(19, 21, 23, 25);
    bool isClipped = true;
    float opacity = 0.25;

    scoped_ptr<SharedQuadState> state(SharedQuadState::Create());
    state->SetAll(quadTransform, contentBounds, visibleContentRect, clipRect,
                  isClipped, opacity);

    scoped_ptr<SharedQuadState> copy(state->Copy());
    EXPECT_EQ(quadTransform, copy->content_to_target_transform);
    EXPECT_RECT_EQ(visibleContentRect, copy->visible_content_rect);
    EXPECT_EQ(opacity, copy->opacity);
    EXPECT_RECT_EQ(clipRect, copy->clip_rect);
    EXPECT_EQ(isClipped, copy->is_clipped);
}

scoped_ptr<SharedQuadState> createSharedQuadState()
{
    gfx::Transform quadTransform = gfx::Transform(1.0, 0.0, 0.5, 1.0, 0.5, 0.0);
    gfx::Size contentBounds(26, 28);
    gfx::Rect visibleContentRect(10, 12, 14, 16);
    gfx::Rect clipRect(19, 21, 23, 25);
    bool isClipped = false;
    float opacity = 1;

    scoped_ptr<SharedQuadState> state(SharedQuadState::Create());
    state->SetAll(quadTransform, contentBounds, visibleContentRect, clipRect,
                  isClipped, opacity);
    return state.Pass();
}

void compareDrawQuad(DrawQuad* quad, DrawQuad* copy, SharedQuadState* copySharedState)
{
    EXPECT_EQ(quad->material, copy->material);
    EXPECT_RECT_EQ(quad->rect, copy->rect);
    EXPECT_RECT_EQ(quad->visible_rect, copy->visible_rect);
    EXPECT_RECT_EQ(quad->opaque_rect, copy->opaque_rect);
    EXPECT_EQ(quad->needs_blending, copy->needs_blending);
    EXPECT_EQ(copySharedState, copy->shared_quad_state);
}

#define CREATE_SHARED_STATE() \
    scoped_ptr<SharedQuadState> sharedState(createSharedQuadState()); \
    scoped_ptr<SharedQuadState> copySharedState(sharedState->Copy()); \

#define QUAD_DATA \
    gfx::Rect quadRect(30, 40, 50, 60); \
    gfx::Rect quadVisibleRect(40, 50, 30, 20); \
    gfx::Rect quadOpaqueRect(60, 55, 10, 10); \
    bool needsBlending = true;

#define SETUP_AND_COPY_QUAD_NEW(Type, quad) \
    scoped_ptr<DrawQuad> copyNew(quadNew->Copy(copySharedState.get())); \
    compareDrawQuad(quadNew.get(), copyNew.get(), copySharedState.get()); \
    const Type* copyQuad = Type::MaterialCast(copyNew.get());

#define SETUP_AND_COPY_QUAD_ALL(Type, quad) \
    scoped_ptr<DrawQuad> copyAll(quadAll->Copy(copySharedState.get())); \
    compareDrawQuad(quadAll.get(), copyAll.get(), copySharedState.get()); \
    copyQuad = Type::MaterialCast(copyAll.get());

#define SETUP_AND_COPY_QUAD_NEW_1(Type, quad, a) \
    scoped_ptr<DrawQuad> copyNew(quadNew->Copy(copySharedState.get(), a));  \
    compareDrawQuad(quadNew.get(), copyNew.get(), copySharedState.get()); \
    const Type* copyQuad = Type::MaterialCast(copyNew.get());

#define SETUP_AND_COPY_QUAD_ALL_1(Type, quad, a) \
    scoped_ptr<DrawQuad> copyAll(quadAll->Copy(copySharedState.get(), a)); \
    compareDrawQuad(quadAll.get(), copyAll.get(), copySharedState.get()); \
    copyQuad = Type::MaterialCast(copyAll.get());

#define CREATE_QUAD_1_NEW(Type, a) \
    scoped_ptr<Type> quadNew(Type::Create()); \
    { QUAD_DATA \
      quadNew->SetNew(sharedState.get(), quadRect, a); } \
    SETUP_AND_COPY_QUAD_NEW(Type, quadNew);

#define CREATE_QUAD_1_ALL(Type, a) \
    scoped_ptr<Type> quadAll(Type::Create()); \
    { QUAD_DATA \
      quadAll->SetAll(sharedState.get(), quadRect, quadOpaqueRect, quadVisibleRect, needsBlending, a); } \
    SETUP_AND_COPY_QUAD_ALL(Type, quadAll);

#define CREATE_QUAD_2_NEW(Type, a, b) \
    scoped_ptr<Type> quadNew(Type::Create()); \
    { QUAD_DATA \
      quadNew->SetNew(sharedState.get(), quadRect, a, b); } \
    SETUP_AND_COPY_QUAD_NEW(Type, quadNew);

#define CREATE_QUAD_2_ALL(Type, a, b) \
    scoped_ptr<Type> quadAll(Type::Create()); \
    { QUAD_DATA \
      quadAll->SetAll(sharedState.get(), quadRect, quadOpaqueRect, quadVisibleRect, needsBlending, a, b); } \
    SETUP_AND_COPY_QUAD_ALL(Type, quadAll);

#define CREATE_QUAD_3_NEW(Type, a, b, c) \
    scoped_ptr<Type> quadNew(Type::Create()); \
    { QUAD_DATA \
      quadNew->SetNew(sharedState.get(), quadRect, a, b, c); } \
    SETUP_AND_COPY_QUAD_NEW(Type, quadNew);

#define CREATE_QUAD_3_ALL(Type, a, b, c) \
    scoped_ptr<Type> quadAll(Type::Create()); \
    { QUAD_DATA \
      quadAll->SetAll(sharedState.get(), quadRect, quadOpaqueRect, quadVisibleRect, needsBlending, a, b, c); } \
    SETUP_AND_COPY_QUAD_ALL(Type, quadAll);

#define CREATE_QUAD_4_NEW(Type, a, b, c, d) \
    scoped_ptr<Type> quadNew(Type::Create()); \
    { QUAD_DATA \
      quadNew->SetNew(sharedState.get(), quadRect, a, b, c, d); } \
    SETUP_AND_COPY_QUAD_NEW(Type, quadNew);

#define CREATE_QUAD_4_ALL(Type, a, b, c, d) \
    scoped_ptr<Type> quadAll(Type::Create()); \
    { QUAD_DATA \
      quadAll->SetAll(sharedState.get(), quadRect, quadOpaqueRect, quadVisibleRect, needsBlending, a, b, c, d); } \
    SETUP_AND_COPY_QUAD_ALL(Type, quadAll);

#define CREATE_QUAD_5_NEW(Type, a, b, c, d, e) \
    scoped_ptr<Type> quadNew(Type::Create()); \
    { QUAD_DATA \
      quadNew->SetNew(sharedState.get(), quadRect, a, b, c, d, e); } \
    SETUP_AND_COPY_QUAD_NEW(Type, quadNew);

#define CREATE_QUAD_5_ALL(Type, a, b, c, d, e) \
    scoped_ptr<Type> quadAll(Type::Create()); \
    { QUAD_DATA \
      quadAll->SetAll(sharedState.get(), quadRect, quadOpaqueRect, quadVisibleRect, needsBlending, a, b, c, d, e); } \
    SETUP_AND_COPY_QUAD_ALL(Type, quadAll);

#define CREATE_QUAD_5_NEW_1(Type, a, b, c, d, e, copyA) \
    scoped_ptr<Type> quadNew(Type::Create()); \
    { QUAD_DATA \
      quadNew->SetNew(sharedState.get(), quadRect, a, b, c, d, e); } \
    SETUP_AND_COPY_QUAD_NEW_1(Type, quadNew, copyA);

#define CREATE_QUAD_5_ALL_1(Type, a, b, c, d, e, copyA) \
    scoped_ptr<Type> quadAll(Type::Create()); \
    { QUAD_DATA \
      quadAll->SetAll(sharedState.get(), quadRect, quadOpaqueRect, quadVisibleRect, needsBlending, a, b, c, d, e); } \
    SETUP_AND_COPY_QUAD_ALL_1(Type, quadAll, copyA);

#define CREATE_QUAD_6_NEW(Type, a, b, c, d, e, f) \
    scoped_ptr<Type> quadNew(Type::Create()); \
    { QUAD_DATA \
      quadNew->SetNew(sharedState.get(), quadRect, a, b, c, d, e, f); } \
    SETUP_AND_COPY_QUAD_NEW(Type, quadNew);

#define CREATE_QUAD_6_ALL(Type, a, b, c, d, e, f) \
    scoped_ptr<Type> quadAll(Type::Create()); \
    { QUAD_DATA \
      quadAll->SetAll(sharedState.get(), quadRect, quadOpaqueRect, quadVisibleRect, needsBlending, a, b, c, d, e, f); } \
    SETUP_AND_COPY_QUAD_ALL(Type, quadAll);

#define CREATE_QUAD_7_NEW(Type, a, b, c, d, e, f, g) \
    scoped_ptr<Type> quadNew(Type::Create()); \
    { QUAD_DATA \
      quadNew->SetNew(sharedState.get(), quadRect, a, b, c, d, e, f, g); } \
    SETUP_AND_COPY_QUAD_NEW(Type, quadNew);

#define CREATE_QUAD_7_ALL(Type, a, b, c, d, e, f, g) \
    scoped_ptr<Type> quadAll(Type::Create()); \
    { QUAD_DATA \
      quadAll->SetAll(sharedState.get(), quadRect, quadOpaqueRect, quadVisibleRect, needsBlending, a, b, c, d, e, f, g); } \
    SETUP_AND_COPY_QUAD_ALL(Type, quadAll);

#define CREATE_QUAD_8_NEW(Type, a, b, c, d, e, f, g, h) \
    scoped_ptr<Type> quadNew(Type::Create()); \
    { QUAD_DATA \
      quadNew->SetNew(sharedState.get(), quadRect, a, b, c, d, e, f, g, h); } \
    SETUP_AND_COPY_QUAD_NEW(Type, quadNew);

#define CREATE_QUAD_8_ALL(Type, a, b, c, d, e, f, g, h) \
    scoped_ptr<Type> quadAll(Type::Create()); \
    { QUAD_DATA \
      quadAll->SetAll(sharedState.get(), quadRect, quadOpaqueRect, quadVisibleRect, needsBlending, a, b, c, d, e, f, g, h); } \
    SETUP_AND_COPY_QUAD_ALL(Type, quadAll);

#define CREATE_QUAD_8_NEW_1(Type, a, b, c, d, e, f, g, h, copyA) \
    scoped_ptr<Type> quadNew(Type::Create()); \
    { QUAD_DATA \
      quadNew->SetNew(sharedState.get(), quadRect, a, b, c, d, e, f, g, h); } \
    SETUP_AND_COPY_QUAD_NEW_1(Type, quadNew, copyA);

#define CREATE_QUAD_8_ALL_1(Type, a, b, c, d, e, f, g, h, copyA) \
    scoped_ptr<Type> quadAll(Type::Create()); \
    { QUAD_DATA \
      quadAll->SetAll(sharedState.get(), quadRect, quadOpaqueRect, quadVisibleRect, needsBlending, a, b, c, d, e, f, g, h); } \
    SETUP_AND_COPY_QUAD_ALL_1(Type, quadAll, copyA);

#define CREATE_QUAD_9_NEW(Type, a, b, c, d, e, f, g, h, i) \
    scoped_ptr<Type> quadNew(Type::Create()); \
    { QUAD_DATA \
      quadNew->SetNew(sharedState.get(), quadRect, a, b, c, d, e, f, g, h, i); } \
    SETUP_AND_COPY_QUAD_NEW(Type, quadNew);

#define CREATE_QUAD_9_ALL(Type, a, b, c, d, e, f, g, h, i) \
    scoped_ptr<Type> quadAll(Type::Create()); \
    { QUAD_DATA \
      quadAll->SetAll(sharedState.get(), quadRect, quadOpaqueRect, quadVisibleRect, needsBlending, a, b, c, d, e, f, g, h, i); } \
    SETUP_AND_COPY_QUAD_ALL(Type, quadAll);

TEST(DrawQuadTest, copyCheckerboardDrawQuad)
{
    SkColor color = 0xfabb0011;
    CREATE_SHARED_STATE();

    CREATE_QUAD_1_NEW(CheckerboardDrawQuad, color);
    EXPECT_EQ(DrawQuad::CHECKERBOARD, copyQuad->material);
    EXPECT_EQ(color, copyQuad->color);

    CREATE_QUAD_1_ALL(CheckerboardDrawQuad, color);
    EXPECT_EQ(DrawQuad::CHECKERBOARD, copyQuad->material);
    EXPECT_EQ(color, copyQuad->color);
}

TEST(DrawQuadTest, copyDebugBorderDrawQuad)
{
    SkColor color = 0xfabb0011;
    int width = 99;
    CREATE_SHARED_STATE();

    CREATE_QUAD_2_NEW(DebugBorderDrawQuad, color, width);
    EXPECT_EQ(DrawQuad::DEBUG_BORDER, copyQuad->material);
    EXPECT_EQ(color, copyQuad->color);
    EXPECT_EQ(width, copyQuad->width);

    CREATE_QUAD_2_ALL(DebugBorderDrawQuad, color, width);
    EXPECT_EQ(DrawQuad::DEBUG_BORDER, copyQuad->material);
    EXPECT_EQ(color, copyQuad->color);
    EXPECT_EQ(width, copyQuad->width);
}

TEST(DrawQuadTest, copyIOSurfaceDrawQuad)
{
    gfx::Rect opaqueRect(3, 7, 10, 12);
    gfx::Size size(58, 95);
    unsigned textureId = 72;
    IOSurfaceDrawQuad::Orientation orientation = IOSurfaceDrawQuad::UNFLIPPED;
    CREATE_SHARED_STATE();

    CREATE_QUAD_4_NEW(IOSurfaceDrawQuad, opaqueRect, size, textureId, orientation);
    EXPECT_EQ(DrawQuad::IO_SURFACE_CONTENT, copyQuad->material);
    EXPECT_RECT_EQ(opaqueRect, copyQuad->opaque_rect);
    EXPECT_EQ(size, copyQuad->io_surface_size);
    EXPECT_EQ(textureId, copyQuad->io_surface_texture_id);
    EXPECT_EQ(orientation, copyQuad->orientation);

    CREATE_QUAD_3_ALL(IOSurfaceDrawQuad, size, textureId, orientation);
    EXPECT_EQ(DrawQuad::IO_SURFACE_CONTENT, copyQuad->material);
    EXPECT_EQ(size, copyQuad->io_surface_size);
    EXPECT_EQ(textureId, copyQuad->io_surface_texture_id);
    EXPECT_EQ(orientation, copyQuad->orientation);
}

TEST(DrawQuadTest, copyRenderPassDrawQuad)
{
    RenderPass::Id renderPassId(22, 64);
    bool isReplica = true;
    ResourceProvider::ResourceId maskResourceId = 78;
    gfx::Rect contentsChangedSinceLastFrame(42, 11, 74, 24);
    gfx::RectF maskUVRect(-45, -21, 33, 19);
    WebKit::WebFilterOperations filters;
    filters.append(WebKit::WebFilterOperation::createBlurFilter(1.f));
    WebKit::WebFilterOperations background_filters;
    background_filters.append(
        WebKit::WebFilterOperation::createGrayscaleFilter(1.f));
    skia::RefPtr<SkImageFilter> filter = skia::AdoptRef(
        new SkBlurImageFilter(SK_Scalar1, SK_Scalar1));

    RenderPass::Id copiedRenderPassId(235, 11);
    CREATE_SHARED_STATE();

    CREATE_QUAD_8_NEW_1(RenderPassDrawQuad, renderPassId, isReplica, maskResourceId, contentsChangedSinceLastFrame, maskUVRect, filters, filter, background_filters, copiedRenderPassId);
    EXPECT_EQ(DrawQuad::RENDER_PASS, copyQuad->material);
    EXPECT_EQ(copiedRenderPassId, copyQuad->render_pass_id);
    EXPECT_EQ(isReplica, copyQuad->is_replica);
    EXPECT_EQ(maskResourceId, copyQuad->mask_resource_id);
    EXPECT_RECT_EQ(contentsChangedSinceLastFrame, copyQuad->contents_changed_since_last_frame);
    EXPECT_EQ(maskUVRect.ToString(), copyQuad->mask_uv_rect.ToString());
    EXPECT_EQ(filters, copyQuad->filters);
    EXPECT_EQ(filter, copyQuad->filter);
    EXPECT_EQ(background_filters, copyQuad->background_filters);

    CREATE_QUAD_8_ALL_1(RenderPassDrawQuad, renderPassId, isReplica, maskResourceId, contentsChangedSinceLastFrame, maskUVRect, filters, filter, background_filters, copiedRenderPassId);
    EXPECT_EQ(DrawQuad::RENDER_PASS, copyQuad->material);
    EXPECT_EQ(copiedRenderPassId, copyQuad->render_pass_id);
    EXPECT_EQ(isReplica, copyQuad->is_replica);
    EXPECT_EQ(maskResourceId, copyQuad->mask_resource_id);
    EXPECT_RECT_EQ(contentsChangedSinceLastFrame, copyQuad->contents_changed_since_last_frame);
    EXPECT_EQ(maskUVRect.ToString(), copyQuad->mask_uv_rect.ToString());
    EXPECT_EQ(filters, copyQuad->filters);
    EXPECT_EQ(filter, copyQuad->filter);
    EXPECT_EQ(background_filters, copyQuad->background_filters);
}

TEST(DrawQuadTest, copySolidColorDrawQuad)
{
    SkColor color = 0x49494949;
    CREATE_SHARED_STATE();

    CREATE_QUAD_1_NEW(SolidColorDrawQuad, color);
    EXPECT_EQ(DrawQuad::SOLID_COLOR, copyQuad->material);
    EXPECT_EQ(color, copyQuad->color);

    CREATE_QUAD_1_ALL(SolidColorDrawQuad, color);
    EXPECT_EQ(DrawQuad::SOLID_COLOR, copyQuad->material);
    EXPECT_EQ(color, copyQuad->color);
}

TEST(DrawQuadTest, copyStreamVideoDrawQuad)
{
    gfx::Rect opaqueRect(3, 7, 10, 12);
    unsigned textureId = 64;
    gfx::Transform matrix = gfx::Transform(0.5, 0.25, 1, 0.75, 0, 1);
    CREATE_SHARED_STATE();

    CREATE_QUAD_3_NEW(StreamVideoDrawQuad, opaqueRect, textureId, matrix);
    EXPECT_EQ(DrawQuad::STREAM_VIDEO_CONTENT, copyQuad->material);
    EXPECT_RECT_EQ(opaqueRect, copyQuad->opaque_rect);
    EXPECT_EQ(textureId, copyQuad->texture_id);
    EXPECT_EQ(matrix, copyQuad->matrix);

    CREATE_QUAD_2_ALL(StreamVideoDrawQuad, textureId, matrix);
    EXPECT_EQ(DrawQuad::STREAM_VIDEO_CONTENT, copyQuad->material);
    EXPECT_EQ(textureId, copyQuad->texture_id);
    EXPECT_EQ(matrix, copyQuad->matrix);
}

TEST(DrawQuadTest, copyTextureDrawQuad)
{
    gfx::Rect opaqueRect(3, 7, 10, 12);
    unsigned resourceId = 82;
    bool premultipliedAlpha = true;
    gfx::PointF uvTopLeft(0.5f, 224.f);
    gfx::PointF uvBottomRight(51.5f, 260.f);
    const float vertex_opacity[] = {1.0f, 1.0f, 1.0f, 1.0f};
    bool flipped = true;
    CREATE_SHARED_STATE();

    CREATE_QUAD_7_NEW(TextureDrawQuad, opaqueRect, resourceId, premultipliedAlpha, uvTopLeft, uvBottomRight, vertex_opacity, flipped);
    EXPECT_EQ(DrawQuad::TEXTURE_CONTENT, copyQuad->material);
    EXPECT_RECT_EQ(opaqueRect, copyQuad->opaque_rect);
    EXPECT_EQ(resourceId, copyQuad->resource_id);
    EXPECT_EQ(premultipliedAlpha, copyQuad->premultiplied_alpha);
    EXPECT_EQ(uvTopLeft, copyQuad->uv_top_left);
    EXPECT_EQ(uvBottomRight, copyQuad->uv_bottom_right);
    EXPECT_FLOAT_ARRAY_EQ(vertex_opacity, copyQuad->vertex_opacity, 4);
    EXPECT_EQ(flipped, copyQuad->flipped);

    CREATE_QUAD_6_ALL(TextureDrawQuad, resourceId, premultipliedAlpha, uvTopLeft, uvBottomRight, vertex_opacity, flipped);
    EXPECT_EQ(DrawQuad::TEXTURE_CONTENT, copyQuad->material);
    EXPECT_EQ(resourceId, copyQuad->resource_id);
    EXPECT_EQ(premultipliedAlpha, copyQuad->premultiplied_alpha);
    EXPECT_EQ(uvTopLeft, copyQuad->uv_top_left);
    EXPECT_EQ(uvBottomRight, copyQuad->uv_bottom_right);
    EXPECT_FLOAT_ARRAY_EQ(vertex_opacity, copyQuad->vertex_opacity, 4);
    EXPECT_EQ(flipped, copyQuad->flipped);
}

TEST(DrawQuadTest, clipTextureDrawQuad)
{
    gfx::Rect opaqueRect(3, 7, 10, 12);
    unsigned resourceId = 82;
    bool premultipliedAlpha = true;
    bool flipped = true;
    CREATE_SHARED_STATE();
    // The original quad position is (30, 40) its size is 50*60.
    sharedState->content_to_target_transform = gfx::Transform(1.f, 0.f, 0.f, 1.f, 10.f, 20.f);
    // After transformation, the quad position is (40, 60) its size is 50*60.
    sharedState->clip_rect = gfx::Rect(50, 70, 30, 20);

    // The original quad is 'ABCD', the clipped quad is 'abcd':
    //40 50       90
    // B--:-------C 60
    // |  b----c -|-70
    // |  |    |  |
    // |  a----d -|-90
    // |          |
    // A----------D 120
    // UV and vertex opacity are stored per vertex on the parent rectangle 'ABCD'.

    // This is the UV value for vertex 'B'.
    gfx::PointF uvTopLeft(0.1f, 0.2f);
    // This is the UV value for vertex 'D'.
    gfx::PointF uvBottomRight(0.9f, 0.8f);
    // This the vertex opacity for the vertices 'ABCD'.
    const float vertexOpacity[] = {0.3f, 0.4f, 0.7f, 0.8f};

    {
      CREATE_QUAD_7_NEW(TextureDrawQuad, opaqueRect, resourceId, premultipliedAlpha, uvTopLeft, uvBottomRight, vertexOpacity, flipped);
      CREATE_QUAD_6_ALL(TextureDrawQuad, resourceId, premultipliedAlpha, uvTopLeft, uvBottomRight, vertexOpacity, flipped);
      EXPECT_TRUE(quadAll->PerformClipping());

      // This is the expected UV value for vertex 'b'.
      // uv(b) = uv(B) + (Bb / BD) * (uv(D) - uv(B))
      // 0.3 = 0.2 + (10 / 60) * (0.8 - 0.2)
      gfx::PointF uvTopLeftClipped(0.26f, 0.3f);
      // This is the expected UV value for vertex 'd'.
      // uv(d) = uv(B) + (Bd / BD) * (uv(D) - uv(B))
      gfx::PointF uvBottomRightClipped(0.74f, 0.5f);
      // This the expected vertex opacity for the vertices 'abcd'.
      // They are computed with a bilinear interpolation of the corner values.
      const float vertexOpacityClipped[] = {0.43f, 0.45f, 0.65f, 0.67f};

      EXPECT_EQ(uvTopLeftClipped, quadAll->uv_top_left);
      EXPECT_EQ(uvBottomRightClipped, quadAll->uv_bottom_right);
      EXPECT_FLOAT_ARRAY_EQ(vertexOpacityClipped, quadAll->vertex_opacity, 4);
    }

    uvTopLeft = gfx::PointF(0.8f, 0.7f);
    uvBottomRight = gfx::PointF(0.2f, 0.1f);

    {
      CREATE_QUAD_7_NEW(TextureDrawQuad, opaqueRect, resourceId, premultipliedAlpha, uvTopLeft, uvBottomRight, vertexOpacity, flipped);
      CREATE_QUAD_6_ALL(TextureDrawQuad, resourceId, premultipliedAlpha, uvTopLeft, uvBottomRight, vertexOpacity, flipped);
      EXPECT_TRUE(quadAll->PerformClipping());

      // This is the expected UV value for vertex 'b'.
      gfx::PointF uvTopLeftClipped(0.68f, 0.6f);
      // This is the expected UV value for vertex 'd'.
      gfx::PointF uvBottomRightClipped(0.32f, 0.4f);

      EXPECT_EQ(uvTopLeftClipped, quadAll->uv_top_left);
      EXPECT_EQ(uvBottomRightClipped, quadAll->uv_bottom_right);
    }
}

TEST(DrawQuadTest, copyTileDrawQuad)
{
    gfx::Rect opaqueRect(33, 44, 22, 33);
    unsigned resourceId = 104;
    gfx::RectF texCoordRect(31, 12, 54, 20);
    gfx::Size textureSize(85, 32);
    bool swizzleContents = true;
    CREATE_SHARED_STATE();

    CREATE_QUAD_5_NEW(TileDrawQuad, opaqueRect, resourceId, texCoordRect, textureSize, swizzleContents);
    EXPECT_EQ(DrawQuad::TILED_CONTENT, copyQuad->material);
    EXPECT_RECT_EQ(opaqueRect, copyQuad->opaque_rect);
    EXPECT_EQ(resourceId, copyQuad->resource_id);
    EXPECT_EQ(texCoordRect, copyQuad->tex_coord_rect);
    EXPECT_EQ(textureSize, copyQuad->texture_size);
    EXPECT_EQ(swizzleContents, copyQuad->swizzle_contents);

    CREATE_QUAD_4_ALL(TileDrawQuad, resourceId, texCoordRect, textureSize, swizzleContents);
    EXPECT_EQ(DrawQuad::TILED_CONTENT, copyQuad->material);
    EXPECT_EQ(resourceId, copyQuad->resource_id);
    EXPECT_EQ(texCoordRect, copyQuad->tex_coord_rect);
    EXPECT_EQ(textureSize, copyQuad->texture_size);
    EXPECT_EQ(swizzleContents, copyQuad->swizzle_contents);
}

TEST(DrawQuadTest, copyYUVVideoDrawQuad)
{
    gfx::Rect opaqueRect(3, 7, 10, 12);
    gfx::SizeF texScale(0.75, 0.5);
    VideoLayerImpl::FramePlane yPlane;
    yPlane.resourceId = 45;
    yPlane.size = gfx::Size(34, 23);
    yPlane.format = 8;
    VideoLayerImpl::FramePlane uPlane;
    uPlane.resourceId = 532;
    uPlane.size = gfx::Size(134, 16);
    uPlane.format = 2;
    VideoLayerImpl::FramePlane vPlane;
    vPlane.resourceId = 4;
    vPlane.size = gfx::Size(456, 486);
    vPlane.format = 46;
    CREATE_SHARED_STATE();

    CREATE_QUAD_5_NEW(YUVVideoDrawQuad, opaqueRect, texScale, yPlane, uPlane, vPlane);
    EXPECT_EQ(DrawQuad::YUV_VIDEO_CONTENT, copyQuad->material);
    EXPECT_RECT_EQ(opaqueRect, copyQuad->opaque_rect);
    EXPECT_EQ(texScale, copyQuad->tex_scale);
    EXPECT_EQ(yPlane.resourceId, copyQuad->y_plane.resourceId);
    EXPECT_EQ(yPlane.size, copyQuad->y_plane.size);
    EXPECT_EQ(yPlane.format, copyQuad->y_plane.format);
    EXPECT_EQ(uPlane.resourceId, copyQuad->u_plane.resourceId);
    EXPECT_EQ(uPlane.size, copyQuad->u_plane.size);
    EXPECT_EQ(uPlane.format, copyQuad->u_plane.format);
    EXPECT_EQ(vPlane.resourceId, copyQuad->v_plane.resourceId);
    EXPECT_EQ(vPlane.size, copyQuad->v_plane.size);
    EXPECT_EQ(vPlane.format, copyQuad->v_plane.format);

    CREATE_QUAD_4_ALL(YUVVideoDrawQuad, texScale, yPlane, uPlane, vPlane);
    EXPECT_EQ(DrawQuad::YUV_VIDEO_CONTENT, copyQuad->material);
    EXPECT_EQ(texScale, copyQuad->tex_scale);
    EXPECT_EQ(yPlane.resourceId, copyQuad->y_plane.resourceId);
    EXPECT_EQ(yPlane.size, copyQuad->y_plane.size);
    EXPECT_EQ(yPlane.format, copyQuad->y_plane.format);
    EXPECT_EQ(uPlane.resourceId, copyQuad->u_plane.resourceId);
    EXPECT_EQ(uPlane.size, copyQuad->u_plane.size);
    EXPECT_EQ(uPlane.format, copyQuad->u_plane.format);
    EXPECT_EQ(vPlane.resourceId, copyQuad->v_plane.resourceId);
    EXPECT_EQ(vPlane.size, copyQuad->v_plane.size);
    EXPECT_EQ(vPlane.format, copyQuad->v_plane.format);
}

class DrawQuadIteratorTest : public testing::Test {
 protected:
  ResourceProvider::ResourceId IncrementResourceId(
      ResourceProvider::ResourceId id) {
    ++num_resources_;
    return id + 1;
  }

  int IterateAndCount(DrawQuad* quad) {
    num_resources_ = 0;
    quad->IterateResources(base::Bind(
        &DrawQuadIteratorTest::IncrementResourceId,
        base::Unretained(this)));
    return num_resources_;
  }

 private:
  int num_resources_;
};

TEST_F(DrawQuadIteratorTest, CheckerboardDrawQuad) {
  SkColor color = 0xfabb0011;

  CREATE_SHARED_STATE();
  CREATE_QUAD_1_NEW(CheckerboardDrawQuad, color);
  EXPECT_EQ(0, IterateAndCount(quadNew.get()));
}

TEST_F(DrawQuadIteratorTest, DebugBorderDrawQuad) {
  SkColor color = 0xfabb0011;
  int width = 99;

  CREATE_SHARED_STATE();
  CREATE_QUAD_2_NEW(DebugBorderDrawQuad, color, width);
  EXPECT_EQ(0, IterateAndCount(quadNew.get()));
}

TEST_F(DrawQuadIteratorTest, IOSurfaceDrawQuad) {
  gfx::Rect opaqueRect(3, 7, 10, 12);
  gfx::Size size(58, 95);
  unsigned textureId = 72;
  IOSurfaceDrawQuad::Orientation orientation = IOSurfaceDrawQuad::UNFLIPPED;

  CREATE_SHARED_STATE();
  CREATE_QUAD_4_NEW(IOSurfaceDrawQuad, opaqueRect, size, textureId, orientation);
  EXPECT_EQ(0, IterateAndCount(quadNew.get()));
}

TEST_F(DrawQuadIteratorTest, RenderPassDrawQuad) {
  RenderPass::Id renderPassId(22, 64);
  bool isReplica = true;
  ResourceProvider::ResourceId maskResourceId = 78;
  gfx::Rect contentsChangedSinceLastFrame(42, 11, 74, 24);
  gfx::RectF maskUVRect(-45, -21, 33, 19);
  WebKit::WebFilterOperations filters;
  filters.append(WebKit::WebFilterOperation::createBlurFilter(1.f));
  WebKit::WebFilterOperations background_filters;
  background_filters.append(
      WebKit::WebFilterOperation::createGrayscaleFilter(1.f));
  skia::RefPtr<SkImageFilter> filter = skia::AdoptRef(
      new SkBlurImageFilter(SK_Scalar1, SK_Scalar1));

  RenderPass::Id copiedRenderPassId(235, 11);

  CREATE_SHARED_STATE();
  CREATE_QUAD_8_NEW_1(RenderPassDrawQuad, renderPassId, isReplica, maskResourceId, contentsChangedSinceLastFrame, maskUVRect, filters, filter, background_filters, copiedRenderPassId);
  EXPECT_EQ(maskResourceId, quadNew->mask_resource_id);
  EXPECT_EQ(1, IterateAndCount(quadNew.get()));
  EXPECT_EQ(maskResourceId + 1, quadNew->mask_resource_id);
}

TEST_F(DrawQuadIteratorTest, SolidColorDrawQuad) {
  SkColor color = 0x49494949;

  CREATE_SHARED_STATE();
  CREATE_QUAD_1_NEW(SolidColorDrawQuad, color);
  EXPECT_EQ(0, IterateAndCount(quadNew.get()));
}

TEST_F(DrawQuadIteratorTest, StreamVideoDrawQuad) {
  gfx::Rect opaqueRect(3, 7, 10, 12);
  unsigned textureId = 64;
  gfx::Transform matrix = gfx::Transform(0.5, 0.25, 1, 0.75, 0, 1);

  CREATE_SHARED_STATE();
  CREATE_QUAD_3_NEW(StreamVideoDrawQuad, opaqueRect, textureId, matrix);
  EXPECT_EQ(0, IterateAndCount(quadNew.get()));
}

TEST_F(DrawQuadIteratorTest, TextureDrawQuad) {
  gfx::Rect opaqueRect(3, 7, 10, 12);
  unsigned resourceId = 82;
  bool premultipliedAlpha = true;
  gfx::PointF uvTopLeft(0.5f, 224.f);
  gfx::PointF uvBottomRight(51.5f, 260.f);
  const float vertex_opacity[] = {1.0f, 1.0f, 1.0f, 1.0f};
  bool flipped = true;

  CREATE_SHARED_STATE();
  CREATE_QUAD_7_NEW(TextureDrawQuad, opaqueRect, resourceId, premultipliedAlpha, uvTopLeft, uvBottomRight, vertex_opacity, flipped);
  EXPECT_EQ(resourceId, quadNew->resource_id);
  EXPECT_EQ(1, IterateAndCount(quadNew.get()));
  EXPECT_EQ(resourceId + 1, quadNew->resource_id);
}

TEST_F(DrawQuadIteratorTest, TileDrawQuad) {
  gfx::Rect opaqueRect(33, 44, 22, 33);
  unsigned resourceId = 104;
  gfx::RectF texCoordRect(31, 12, 54, 20);
  gfx::Size textureSize(85, 32);
  bool swizzleContents = true;

  CREATE_SHARED_STATE();
  CREATE_QUAD_5_NEW(TileDrawQuad, opaqueRect, resourceId, texCoordRect, textureSize, swizzleContents);
  EXPECT_EQ(resourceId, quadNew->resource_id);
  EXPECT_EQ(1, IterateAndCount(quadNew.get()));
  EXPECT_EQ(resourceId + 1, quadNew->resource_id);
}

TEST_F(DrawQuadIteratorTest, YUVVideoDrawQuad) {
  gfx::Rect opaqueRect(3, 7, 10, 12);
  gfx::SizeF texScale(0.75, 0.5);
  VideoLayerImpl::FramePlane yPlane;
  yPlane.resourceId = 45;
  yPlane.size = gfx::Size(34, 23);
  yPlane.format = 8;
  VideoLayerImpl::FramePlane uPlane;
  uPlane.resourceId = 532;
  uPlane.size = gfx::Size(134, 16);
  uPlane.format = 2;
  VideoLayerImpl::FramePlane vPlane;
  vPlane.resourceId = 4;
  vPlane.size = gfx::Size(456, 486);
  vPlane.format = 46;

  CREATE_SHARED_STATE();
  CREATE_QUAD_5_NEW(YUVVideoDrawQuad, opaqueRect, texScale, yPlane, uPlane, vPlane);
  EXPECT_EQ(DrawQuad::YUV_VIDEO_CONTENT, copyQuad->material);
  EXPECT_EQ(yPlane.resourceId, quadNew->y_plane.resourceId);
  EXPECT_EQ(uPlane.resourceId, quadNew->u_plane.resourceId);
  EXPECT_EQ(vPlane.resourceId, quadNew->v_plane.resourceId);
  EXPECT_EQ(3, IterateAndCount(quadNew.get()));
  EXPECT_EQ(yPlane.resourceId + 1, quadNew->y_plane.resourceId);
  EXPECT_EQ(uPlane.resourceId + 1, quadNew->u_plane.resourceId);
  EXPECT_EQ(vPlane.resourceId + 1, quadNew->v_plane.resourceId);
}


}  // namespace
}  // namespace cc