mirror of
https://github.com/CTCaer/RetroArch.git
synced 2024-12-16 15:27:41 +00:00
299 lines
8.7 KiB
C
299 lines
8.7 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
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* copyright (c) 2011-2017 - Daniel De Matteis
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*
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* RetroArch is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with RetroArch.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __GL_COMMON_H
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#define __GL_COMMON_H
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#include <boolean.h>
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#include <string.h>
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#include <retro_common_api.h>
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#ifdef HAVE_CONFIG_H
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#include "../../config.h"
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#endif
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#include <retro_inline.h>
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#include <gfx/math/matrix_4x4.h>
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#include <gfx/scaler/scaler.h>
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#include <formats/image.h>
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#include "../../verbosity.h"
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#include "../font_driver.h"
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#include "../video_coord_array.h"
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#include "../video_driver.h"
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#include <glsym/glsym.h>
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RETRO_BEGIN_DECLS
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#if defined(HAVE_PSGL)
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#define RARCH_GL_FRAMEBUFFER GL_FRAMEBUFFER_OES
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#define RARCH_GL_FRAMEBUFFER_COMPLETE GL_FRAMEBUFFER_COMPLETE_OES
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#define RARCH_GL_COLOR_ATTACHMENT0 GL_COLOR_ATTACHMENT0_EXT
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#elif (defined(__MACH__) && (defined(__ppc__) || defined(__ppc64__)))
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#define RARCH_GL_FRAMEBUFFER GL_FRAMEBUFFER_EXT
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#define RARCH_GL_FRAMEBUFFER_COMPLETE GL_FRAMEBUFFER_COMPLETE_EXT
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#define RARCH_GL_COLOR_ATTACHMENT0 GL_COLOR_ATTACHMENT0_EXT
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#else
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#define RARCH_GL_FRAMEBUFFER GL_FRAMEBUFFER
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#define RARCH_GL_FRAMEBUFFER_COMPLETE GL_FRAMEBUFFER_COMPLETE
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#define RARCH_GL_COLOR_ATTACHMENT0 GL_COLOR_ATTACHMENT0
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#endif
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#if defined(HAVE_OPENGLES2) || defined(HAVE_OPENGLES3) || defined(HAVE_OPENGLES_3_1) || defined(HAVE_OPENGLES_3_2)
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#define RARCH_GL_RENDERBUFFER GL_RENDERBUFFER
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#if defined(HAVE_OPENGLES2)
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#define RARCH_GL_DEPTH24_STENCIL8 GL_DEPTH24_STENCIL8_OES
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#else
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#define RARCH_GL_DEPTH24_STENCIL8 GL_DEPTH24_STENCIL8
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#endif
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#define RARCH_GL_DEPTH_ATTACHMENT GL_DEPTH_ATTACHMENT
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#define RARCH_GL_STENCIL_ATTACHMENT GL_STENCIL_ATTACHMENT
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#elif (defined(__MACH__) && (defined(__ppc__) || defined(__ppc64__)))
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#define RARCH_GL_RENDERBUFFER GL_RENDERBUFFER_EXT
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#define RARCH_GL_DEPTH24_STENCIL8 GL_DEPTH24_STENCIL8_EXT
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#define RARCH_GL_DEPTH_ATTACHMENT GL_DEPTH_ATTACHMENT_EXT
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#define RARCH_GL_STENCIL_ATTACHMENT GL_STENCIL_ATTACHMENT_EXT
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#elif defined(HAVE_PSGL)
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#define RARCH_GL_RENDERBUFFER GL_RENDERBUFFER_OES
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#define RARCH_GL_DEPTH24_STENCIL8 GL_DEPTH24_STENCIL8_SCE
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#define RARCH_GL_DEPTH_ATTACHMENT GL_DEPTH_ATTACHMENT_OES
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#define RARCH_GL_STENCIL_ATTACHMENT GL_STENCIL_ATTACHMENT_OES
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#else
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#define RARCH_GL_RENDERBUFFER GL_RENDERBUFFER
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#define RARCH_GL_DEPTH24_STENCIL8 GL_DEPTH24_STENCIL8
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#define RARCH_GL_DEPTH_ATTACHMENT GL_DEPTH_ATTACHMENT
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#define RARCH_GL_STENCIL_ATTACHMENT GL_STENCIL_ATTACHMENT
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#endif
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#if (defined(__MACH__) && (defined(__ppc__) || defined(__ppc64__)))
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#define RARCH_GL_MAX_RENDERBUFFER_SIZE GL_MAX_RENDERBUFFER_SIZE_EXT
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#elif defined(HAVE_PSGL)
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#define RARCH_GL_MAX_RENDERBUFFER_SIZE GL_MAX_RENDERBUFFER_SIZE_OES
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#else
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#define RARCH_GL_MAX_RENDERBUFFER_SIZE GL_MAX_RENDERBUFFER_SIZE
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#endif
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#if defined(HAVE_PSGL)
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#define glGenerateMipmap glGenerateMipmapOES
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#endif
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#if defined(__APPLE__) || defined(HAVE_PSGL)
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#define GL_RGBA32F GL_RGBA32F_ARB
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#endif
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#if defined(HAVE_PSGL)
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#define RARCH_GL_INTERNAL_FORMAT32 GL_ARGB_SCE
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#define RARCH_GL_INTERNAL_FORMAT16 GL_RGB5 /* TODO: Verify if this is really 565 or just 555. */
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#define RARCH_GL_TEXTURE_TYPE32 GL_BGRA
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#define RARCH_GL_TEXTURE_TYPE16 GL_BGRA
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#define RARCH_GL_FORMAT32 GL_UNSIGNED_INT_8_8_8_8_REV
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#define RARCH_GL_FORMAT16 GL_RGB5
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#elif defined(HAVE_OPENGLES)
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/* Imgtec/SGX headers have this missing. */
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#ifndef GL_BGRA_EXT
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#define GL_BGRA_EXT 0x80E1
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#endif
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#ifndef GL_BGRA8_EXT
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#define GL_BGRA8_EXT 0x93A1
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#endif
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#ifdef IOS
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/* Stupid Apple */
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#define RARCH_GL_INTERNAL_FORMAT32 GL_RGBA
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#else
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#define RARCH_GL_INTERNAL_FORMAT32 GL_BGRA_EXT
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#endif
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#define RARCH_GL_INTERNAL_FORMAT16 GL_RGB
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#define RARCH_GL_TEXTURE_TYPE32 GL_BGRA_EXT
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#define RARCH_GL_TEXTURE_TYPE16 GL_RGB
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#define RARCH_GL_FORMAT32 GL_UNSIGNED_BYTE
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#define RARCH_GL_FORMAT16 GL_UNSIGNED_SHORT_5_6_5
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#else
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/* On desktop, we always use 32-bit. */
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#define RARCH_GL_INTERNAL_FORMAT32 GL_RGBA8
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#define RARCH_GL_INTERNAL_FORMAT16 GL_RGBA8
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#define RARCH_GL_TEXTURE_TYPE32 GL_BGRA
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#define RARCH_GL_TEXTURE_TYPE16 GL_BGRA
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#define RARCH_GL_FORMAT32 GL_UNSIGNED_INT_8_8_8_8_REV
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#define RARCH_GL_FORMAT16 GL_UNSIGNED_INT_8_8_8_8_REV
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/* GL_RGB565 internal format isn't in desktop GL
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* until 4.1 core (ARB_ES2_compatibility).
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* Check for this. */
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#ifndef GL_RGB565
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#define GL_RGB565 0x8D62
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#endif
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#define RARCH_GL_INTERNAL_FORMAT16_565 GL_RGB565
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#define RARCH_GL_TEXTURE_TYPE16_565 GL_RGB
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#define RARCH_GL_FORMAT16_565 GL_UNSIGNED_SHORT_5_6_5
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#endif
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#if defined(HAVE_OPENGLES2) /* TODO: Figure out exactly what. */
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#define NO_GL_CLAMP_TO_BORDER
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#endif
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#if defined(HAVE_OPENGLES)
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#ifndef GL_UNPACK_ROW_LENGTH
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#define GL_UNPACK_ROW_LENGTH 0x0CF2
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#endif
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#ifndef GL_SRGB_ALPHA_EXT
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#define GL_SRGB_ALPHA_EXT 0x8C42
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#endif
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#endif
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typedef struct gl
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{
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GLenum internal_fmt;
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GLenum texture_type; /* RGB565 or ARGB */
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GLenum texture_fmt;
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GLenum wrap_mode;
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bool vsync;
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bool tex_mipmap;
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bool fbo_inited;
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bool fbo_feedback_enable;
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bool hw_render_fbo_init;
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bool has_fbo;
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bool hw_render_use;
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bool core_context_in_use;
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bool should_resize;
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bool quitting;
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bool fullscreen;
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bool keep_aspect;
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bool support_unpack_row_length;
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bool have_es2_compat;
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bool have_full_npot_support;
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bool have_mipmap;
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bool overlay_enable;
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bool overlay_full_screen;
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bool menu_texture_enable;
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bool menu_texture_full_screen;
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bool have_sync;
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bool pbo_readback_valid[4];
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bool pbo_readback_enable;
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int version_major;
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int version_minor;
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GLuint tex_mag_filter;
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GLuint tex_min_filter;
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GLuint fbo_feedback;
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GLuint fbo_feedback_texture;
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GLuint pbo;
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GLuint *overlay_tex;
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GLuint menu_texture;
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GLuint pbo_readback[4];
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GLuint texture[GFX_MAX_TEXTURES];
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GLuint hw_render_fbo[GFX_MAX_TEXTURES];
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unsigned tex_index; /* For use with PREV. */
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unsigned textures;
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unsigned fbo_feedback_pass;
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unsigned rotation;
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unsigned vp_out_width;
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unsigned vp_out_height;
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unsigned tex_w;
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unsigned tex_h;
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unsigned base_size; /* 2 or 4 */
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unsigned overlays;
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unsigned pbo_readback_index;
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unsigned last_width[GFX_MAX_TEXTURES];
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unsigned last_height[GFX_MAX_TEXTURES];
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float menu_texture_alpha;
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void *empty_buf;
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void *conv_buffer;
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void *readback_buffer_screenshot;
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const float *vertex_ptr;
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const float *white_color_ptr;
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float *overlay_vertex_coord;
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float *overlay_tex_coord;
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float *overlay_color_coord;
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struct video_tex_info tex_info;
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struct scaler_ctx pbo_readback_scaler;
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struct video_viewport vp;
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math_matrix_4x4 mvp, mvp_no_rot;
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struct video_coords coords;
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struct scaler_ctx scaler;
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video_info_t video_info;
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struct video_tex_info prev_info[GFX_MAX_TEXTURES];
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struct video_fbo_rect fbo_rect[GFX_MAX_SHADERS];
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const gl_renderchain_driver_t *renderchain_driver;
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void *renderchain_data;
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} gl_t;
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static INLINE void gl_bind_texture(GLuint id, GLint wrap_mode, GLint mag_filter,
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GLint min_filter)
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{
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glBindTexture(GL_TEXTURE_2D, id);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, wrap_mode);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, wrap_mode);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, mag_filter);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, min_filter);
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}
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static INLINE unsigned gl_wrap_type_to_enum(enum gfx_wrap_type type)
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{
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switch (type)
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{
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#ifndef HAVE_OPENGLES
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case RARCH_WRAP_BORDER: /* GL_CLAMP_TO_BORDER: Available since GL 1.3 */
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return GL_CLAMP_TO_BORDER;
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#else
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case RARCH_WRAP_BORDER:
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#endif
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case RARCH_WRAP_EDGE:
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return GL_CLAMP_TO_EDGE;
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case RARCH_WRAP_REPEAT:
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return GL_REPEAT;
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case RARCH_WRAP_MIRRORED_REPEAT:
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return GL_MIRRORED_REPEAT;
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default:
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break;
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}
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return 0;
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}
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bool gl_query_core_context_in_use(void);
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void gl_load_texture_image(GLenum target,
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GLint level,
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GLint internalFormat,
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GLsizei width,
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GLsizei height,
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GLint border,
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GLenum format,
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GLenum type,
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const GLvoid * data);
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void gl_load_texture_data(
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uint32_t id_data,
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enum gfx_wrap_type wrap_type,
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enum texture_filter_type filter_type,
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unsigned alignment,
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unsigned width, unsigned height,
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const void *frame, unsigned base_size);
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RETRO_END_DECLS
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#endif
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