| // Copyright 2016 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. |
| |
| #ifndef GPU_COMMAND_BUFFER_SERVICE_GLES2_CMD_APPLY_FRAMEBUFFER_ATTACHMENT_CMAA_INTEL_H_ |
| #define GPU_COMMAND_BUFFER_SERVICE_GLES2_CMD_APPLY_FRAMEBUFFER_ATTACHMENT_CMAA_INTEL_H_ |
| |
| #include "gpu/command_buffer/service/gl_utils.h" |
| #include "gpu/gpu_gles2_export.h" |
| |
| namespace gpu { |
| namespace gles2 { |
| class CopyTextureCHROMIUMResourceManager; |
| class GLES2Decoder; |
| class Framebuffer; |
| class TextureManager; |
| |
| // This class encapsulates the resources required to implement the |
| // GL_INTEL_framebuffer_CMAA extension via shaders. |
| // |
| // The CMAA Conservative Morphological Anti-Aliasing) algorithm is applied to |
| // all color attachments of the currently bound draw framebuffer. |
| // |
| // Reference GL_INTEL_framebuffer_CMAA for details. |
| class GPU_GLES2_EXPORT ApplyFramebufferAttachmentCMAAINTELResourceManager { |
| public: |
| ApplyFramebufferAttachmentCMAAINTELResourceManager(); |
| ~ApplyFramebufferAttachmentCMAAINTELResourceManager(); |
| |
| void Initialize(gles2::GLES2Decoder* decoder); |
| void Destroy(); |
| |
| // Applies the algorithm to the color attachments of the currently bound draw |
| // framebuffer. |
| void ApplyFramebufferAttachmentCMAAINTEL( |
| GLES2Decoder* decoder, |
| Framebuffer* framebuffer, |
| CopyTextureCHROMIUMResourceManager* copier, |
| TextureManager* texture_manager); |
| |
| private: |
| // Applies the CMAA algorithm to a texture. |
| void ApplyCMAAEffectTexture(GLuint source_texture, |
| GLuint dest_texture, |
| bool do_copy); |
| |
| void OnSize(GLint width, GLint height, bool flip_y); |
| void ReleaseTextures(); |
| |
| GLuint CreateProgram(const char* defines, |
| const char* vs_source, |
| const char* fs_source); |
| GLuint CreateShader(GLenum type, const char* defines, const char* source); |
| |
| bool initialized_; |
| bool textures_initialized_; |
| bool is_in_gamma_correct_mode_; |
| bool supports_usampler_; |
| bool supports_r8_image_; |
| bool is_gles31_compatible_; |
| bool flip_y_; |
| |
| int frame_id_; |
| |
| GLint width_; |
| GLint height_; |
| |
| GLuint edges0_shader_; |
| GLuint edges1_shader_; |
| GLuint edges_combine_shader_; |
| GLuint process_and_apply_shader_; |
| GLuint debug_display_edges_shader_; |
| |
| GLuint cmaa_framebuffer_; |
| |
| GLuint rgba8_texture_; |
| GLuint working_color_texture_; |
| GLuint edges0_texture_; |
| GLuint edges1_texture_; |
| GLuint mini4_edge_texture_; |
| GLuint mini4_edge_depth_texture_; |
| |
| GLuint edges0_shader_result_rgba_texture_slot1_; |
| GLuint edges0_shader_target_texture_slot2_; |
| GLuint edges1_shader_result_edge_texture_; |
| GLuint process_and_apply_shader_result_rgba_texture_slot1_; |
| GLuint edges_combine_shader_result_edge_texture_; |
| |
| static const char vert_str_[]; |
| static const char cmaa_frag_s1_[]; |
| static const char cmaa_frag_s2_[]; |
| |
| DISALLOW_COPY_AND_ASSIGN(ApplyFramebufferAttachmentCMAAINTELResourceManager); |
| }; |
| |
| } // namespace gles2 |
| } // namespace gpu |
| |
| #endif // GPU_COMMAND_BUFFER_SERVICE_GLES2_CMD_APPLY_FRAMEBUFFER_ATTACHMENT_CMAA_INTEL_H_ |