| OLD | NEW |
| (Empty) |
| 1 // Copyright 2012 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef CC_OUTPUT_GL_RENDERER_DRAW_CACHE_H_ | |
| 6 #define CC_OUTPUT_GL_RENDERER_DRAW_CACHE_H_ | |
| 7 | |
| 8 #include <vector> | |
| 9 | |
| 10 #include "base/basictypes.h" | |
| 11 #include "third_party/skia/include/core/SkColor.h" | |
| 12 | |
| 13 namespace cc { | |
| 14 | |
| 15 // Collects 4 floats at a time for easy upload to GL. | |
| 16 struct Float4 { | |
| 17 float data[4]; | |
| 18 }; | |
| 19 | |
| 20 // Collects 16 floats at a time for easy upload to GL. | |
| 21 struct Float16 { | |
| 22 float data[16]; | |
| 23 }; | |
| 24 | |
| 25 // A cache for storing textured quads to be drawn. Stores the minimum required | |
| 26 // data to tell if two back to back draws only differ in their transform. Quads | |
| 27 // that only differ by transform may be coalesced into a single draw call. | |
| 28 struct TexturedQuadDrawCache { | |
| 29 TexturedQuadDrawCache(); | |
| 30 ~TexturedQuadDrawCache(); | |
| 31 | |
| 32 // Values tracked to determine if textured quads may be coalesced. | |
| 33 int program_id; | |
| 34 int resource_id; | |
| 35 bool needs_blending; | |
| 36 bool nearest_neighbor; | |
| 37 SkColor background_color; | |
| 38 | |
| 39 // Information about the program binding that is required to draw. | |
| 40 int uv_xform_location; | |
| 41 int background_color_location; | |
| 42 int vertex_opacity_location; | |
| 43 int matrix_location; | |
| 44 int sampler_location; | |
| 45 | |
| 46 // A cache for the coalesced quad data. | |
| 47 std::vector<Float4> uv_xform_data; | |
| 48 std::vector<float> vertex_opacity_data; | |
| 49 std::vector<Float16> matrix_data; | |
| 50 | |
| 51 private: | |
| 52 DISALLOW_COPY_AND_ASSIGN(TexturedQuadDrawCache); | |
| 53 }; | |
| 54 | |
| 55 } // namespace cc | |
| 56 | |
| 57 #endif // CC_OUTPUT_GL_RENDERER_DRAW_CACHE_H_ | |
| OLD | NEW |