/* RetroArch - A frontend for libretro. * Copyright (C) 2010-2014 - Hans-Kristian Arntzen * copyright (c) 2011-2017 - Daniel De Matteis * * RetroArch is free software: you can redistribute it and/or modify it under the terms * of the GNU General Public License as published by the Free Software Found- * ation, either version 3 of the License, or (at your option) any later version. * * RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR * PURPOSE. See the GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along with RetroArch. * If not, see . */ #ifndef __GL_COMMON_H #define __GL_COMMON_H #include #include #include #include #ifdef HAVE_CONFIG_H #include "../../config.h" #endif #include #include #include #include #include "../video_coord_array.h" #include "../../retroarch.h" RETRO_BEGIN_DECLS #if defined(HAVE_PSGL) #define RARCH_GL_FRAMEBUFFER GL_FRAMEBUFFER_OES #define RARCH_GL_FRAMEBUFFER_COMPLETE GL_FRAMEBUFFER_COMPLETE_OES #define RARCH_GL_COLOR_ATTACHMENT0 GL_COLOR_ATTACHMENT0_EXT #elif (defined(__MACH__) && (defined(__ppc__) || defined(__ppc64__))) #define RARCH_GL_FRAMEBUFFER GL_FRAMEBUFFER_EXT #define RARCH_GL_FRAMEBUFFER_COMPLETE GL_FRAMEBUFFER_COMPLETE_EXT #define RARCH_GL_COLOR_ATTACHMENT0 GL_COLOR_ATTACHMENT0_EXT #else #define RARCH_GL_FRAMEBUFFER GL_FRAMEBUFFER #define RARCH_GL_FRAMEBUFFER_COMPLETE GL_FRAMEBUFFER_COMPLETE #define RARCH_GL_COLOR_ATTACHMENT0 GL_COLOR_ATTACHMENT0 #endif #if defined(HAVE_OPENGLES2) || defined(HAVE_OPENGLES3) || defined(HAVE_OPENGLES_3_1) || defined(HAVE_OPENGLES_3_2) #define RARCH_GL_RENDERBUFFER GL_RENDERBUFFER #if defined(HAVE_OPENGLES2) #define RARCH_GL_DEPTH24_STENCIL8 GL_DEPTH24_STENCIL8_OES #else #define RARCH_GL_DEPTH24_STENCIL8 GL_DEPTH24_STENCIL8 #endif #define RARCH_GL_DEPTH_ATTACHMENT GL_DEPTH_ATTACHMENT #define RARCH_GL_STENCIL_ATTACHMENT GL_STENCIL_ATTACHMENT #elif (defined(__MACH__) && (defined(__ppc__) || defined(__ppc64__))) #define RARCH_GL_RENDERBUFFER GL_RENDERBUFFER_EXT #define RARCH_GL_DEPTH24_STENCIL8 GL_DEPTH24_STENCIL8_EXT #define RARCH_GL_DEPTH_ATTACHMENT GL_DEPTH_ATTACHMENT_EXT #define RARCH_GL_STENCIL_ATTACHMENT GL_STENCIL_ATTACHMENT_EXT #elif defined(HAVE_PSGL) #define RARCH_GL_RENDERBUFFER GL_RENDERBUFFER_OES #define RARCH_GL_DEPTH24_STENCIL8 GL_DEPTH24_STENCIL8_SCE #define RARCH_GL_DEPTH_ATTACHMENT GL_DEPTH_ATTACHMENT_OES #define RARCH_GL_STENCIL_ATTACHMENT GL_STENCIL_ATTACHMENT_OES #else #define RARCH_GL_RENDERBUFFER GL_RENDERBUFFER #define RARCH_GL_DEPTH24_STENCIL8 GL_DEPTH24_STENCIL8 #define RARCH_GL_DEPTH_ATTACHMENT GL_DEPTH_ATTACHMENT #define RARCH_GL_STENCIL_ATTACHMENT GL_STENCIL_ATTACHMENT #endif #if (defined(__MACH__) && (defined(__ppc__) || defined(__ppc64__))) #define RARCH_GL_MAX_RENDERBUFFER_SIZE GL_MAX_RENDERBUFFER_SIZE_EXT #elif defined(HAVE_PSGL) #define RARCH_GL_MAX_RENDERBUFFER_SIZE GL_MAX_RENDERBUFFER_SIZE_OES #else #define RARCH_GL_MAX_RENDERBUFFER_SIZE GL_MAX_RENDERBUFFER_SIZE #endif #if defined(HAVE_PSGL) #define glGenerateMipmap glGenerateMipmapOES #endif #if defined(__APPLE__) || defined(HAVE_PSGL) #ifndef GL_RGBA32F #define GL_RGBA32F GL_RGBA32F_ARB #endif #endif #if defined(HAVE_PSGL) #define RARCH_GL_INTERNAL_FORMAT32 GL_ARGB_SCE #define RARCH_GL_INTERNAL_FORMAT16 GL_RGB5 /* TODO: Verify if this is really 565 or just 555. */ #define RARCH_GL_TEXTURE_TYPE32 GL_BGRA #define RARCH_GL_TEXTURE_TYPE16 GL_BGRA #define RARCH_GL_FORMAT32 GL_UNSIGNED_INT_8_8_8_8_REV #define RARCH_GL_FORMAT16 GL_RGB5 #elif defined(HAVE_OPENGLES) /* Imgtec/SGX headers have this missing. */ #ifndef GL_BGRA_EXT #define GL_BGRA_EXT 0x80E1 #endif #ifndef GL_BGRA8_EXT #define GL_BGRA8_EXT 0x93A1 #endif #ifdef IOS /* Stupid Apple */ #define RARCH_GL_INTERNAL_FORMAT32 GL_RGBA #else #define RARCH_GL_INTERNAL_FORMAT32 GL_BGRA_EXT #endif #define RARCH_GL_INTERNAL_FORMAT16 GL_RGB #define RARCH_GL_TEXTURE_TYPE32 GL_BGRA_EXT #define RARCH_GL_TEXTURE_TYPE16 GL_RGB #define RARCH_GL_FORMAT32 GL_UNSIGNED_BYTE #define RARCH_GL_FORMAT16 GL_UNSIGNED_SHORT_5_6_5 #else /* On desktop, we always use 32-bit. */ #define RARCH_GL_INTERNAL_FORMAT32 GL_RGBA8 #define RARCH_GL_INTERNAL_FORMAT16 GL_RGBA8 #define RARCH_GL_TEXTURE_TYPE32 GL_BGRA #define RARCH_GL_TEXTURE_TYPE16 GL_BGRA #define RARCH_GL_FORMAT32 GL_UNSIGNED_INT_8_8_8_8_REV #define RARCH_GL_FORMAT16 GL_UNSIGNED_INT_8_8_8_8_REV /* GL_RGB565 internal format isn't in desktop GL * until 4.1 core (ARB_ES2_compatibility). * Check for this. */ #ifndef GL_RGB565 #define GL_RGB565 0x8D62 #endif #define RARCH_GL_INTERNAL_FORMAT16_565 GL_RGB565 #define RARCH_GL_TEXTURE_TYPE16_565 GL_RGB #define RARCH_GL_FORMAT16_565 GL_UNSIGNED_SHORT_5_6_5 #endif #if defined(HAVE_OPENGLES2) /* TODO: Figure out exactly what. */ #define NO_GL_CLAMP_TO_BORDER #endif #if defined(HAVE_OPENGLES) #ifndef GL_UNPACK_ROW_LENGTH #define GL_UNPACK_ROW_LENGTH 0x0CF2 #endif #ifndef GL_SRGB_ALPHA_EXT #define GL_SRGB_ALPHA_EXT 0x8C42 #endif #endif typedef struct gl gl_t; struct gl { const shader_backend_t *shader; void *shader_data; void *renderchain_data; void *ctx_data; const gfx_ctx_driver_t *ctx_driver; void *empty_buf; void *conv_buffer; void *readback_buffer_screenshot; const float *vertex_ptr; const float *white_color_ptr; float *overlay_vertex_coord; float *overlay_tex_coord; float *overlay_color_coord; int version_major; int version_minor; GLuint tex_mag_filter; GLuint tex_min_filter; GLuint fbo_feedback; GLuint fbo_feedback_texture; GLuint pbo; GLuint *overlay_tex; GLuint menu_texture; GLuint pbo_readback[4]; GLuint texture[GFX_MAX_TEXTURES]; GLuint hw_render_fbo[GFX_MAX_TEXTURES]; #ifdef HAVE_VIDEO_LAYOUT GLuint video_layout_fbo; GLuint video_layout_fbo_texture; GLuint video_layout_white_texture; #endif unsigned video_width; unsigned video_height; unsigned tex_index; /* For use with PREV. */ unsigned textures; unsigned fbo_feedback_pass; unsigned rotation; unsigned vp_out_width; unsigned vp_out_height; unsigned tex_w; unsigned tex_h; unsigned base_size; /* 2 or 4 */ unsigned overlays; unsigned pbo_readback_index; unsigned last_width[GFX_MAX_TEXTURES]; unsigned last_height[GFX_MAX_TEXTURES]; float menu_texture_alpha; GLenum internal_fmt; GLenum texture_type; /* RGB565 or ARGB */ GLenum texture_fmt; GLenum wrap_mode; struct scaler_ctx pbo_readback_scaler; struct video_viewport vp; /* int alignment */ math_matrix_4x4 mvp, mvp_no_rot; struct video_coords coords; /* ptr alignment */ struct scaler_ctx scaler; video_info_t video_info; struct video_tex_info tex_info; /* unsigned int alignment */ struct video_tex_info prev_info[GFX_MAX_TEXTURES]; /* unsigned alignment */ struct video_fbo_rect fbo_rect[GFX_MAX_SHADERS]; /* unsigned alignment */ #ifdef HAVE_VIDEO_LAYOUT bool video_layout_resize; #endif bool vsync; bool tex_mipmap; bool fbo_inited; bool fbo_feedback_enable; bool hw_render_fbo_init; bool has_fbo; bool hw_render_use; bool core_context_in_use; bool shared_context_use; bool should_resize; bool quitting; bool fullscreen; bool keep_aspect; bool support_unpack_row_length; bool have_es2_compat; bool have_full_npot_support; bool have_mipmap; bool overlay_enable; bool overlay_full_screen; bool menu_texture_enable; bool menu_texture_full_screen; bool have_sync; bool pbo_readback_valid[4]; bool pbo_readback_enable; }; #define GL_BIND_TEXTURE(id, wrap_mode, mag_filter, min_filter) \ glBindTexture(GL_TEXTURE_2D, id); \ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, wrap_mode); \ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, wrap_mode); \ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, mag_filter); \ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, min_filter) bool gl_query_core_context_in_use(void); bool gl_load_luts( const void *shader_data, GLuint *textures_lut); RETRO_END_DECLS #endif