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// Copyright 2017 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef COBALT_RENDERER_RASTERIZER_EGL_DRAW_RECT_COLOR_TEXTURE_H_
#define COBALT_RENDERER_RASTERIZER_EGL_DRAW_RECT_COLOR_TEXTURE_H_
#include "base/callback.h"
#include "cobalt/math/matrix3_f.h"
#include "cobalt/math/rect_f.h"
#include "cobalt/render_tree/color_rgba.h"
#include "cobalt/renderer/backend/egl/texture.h"
#include "cobalt/renderer/rasterizer/egl/draw_object.h"
namespace cobalt {
namespace renderer {
namespace rasterizer {
namespace egl {
// Handles drawing a textured rectangle modulated by a given color.
class DrawRectColorTexture : public DrawObject {
public:
DrawRectColorTexture(GraphicsState* graphics_state,
const BaseState& base_state,
const math::RectF& rect,
const render_tree::ColorRGBA& color,
const backend::TextureEGL* texture,
const math::Matrix3F& texcoord_transform,
bool clamp_texcoords);
void ExecuteUpdateVertexBuffer(GraphicsState* graphics_state,
ShaderProgramManager* program_manager) OVERRIDE;
void ExecuteRasterize(GraphicsState* graphics_state,
ShaderProgramManager* program_manager) OVERRIDE;
base::TypeId GetTypeId() const OVERRIDE;
private:
math::Matrix3F texcoord_transform_;
math::RectF rect_;
uint32_t color_;
const backend::TextureEGL* texture_;
base::Closure draw_offscreen_;
base::Closure draw_onscreen_;
uint8_t* vertex_buffer_;
float texcoord_clamp_[4]; // texcoord clamping (min u, min v, max u, max v)
bool clamp_texcoords_;
bool tile_texture_;
};
} // namespace egl
} // namespace rasterizer
} // namespace renderer
} // namespace cobalt
#endif // COBALT_RENDERER_RASTERIZER_EGL_DRAW_RECT_COLOR_TEXTURE_H_