/* 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 __GL2_COMMON_H
#define __GL2_COMMON_H
#include
#include
#include
#include
#ifdef HAVE_CONFIG_H
#include "../../config.h"
#endif
#include
#include
#include
#include
#include "../video_driver.h"
#include "../video_coord_array.h"
RETRO_BEGIN_DECLS
#define GL2_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)
#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(MAC_OS_X_VERSION_MAX_ALLOWED) && (MAC_OS_X_VERSION_MAX_ALLOWED < 101200))
#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(MAC_OS_X_VERSION_MAX_ALLOWED) && (MAC_OS_X_VERSION_MAX_ALLOWED < 101200))
#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(MAC_OS_X_VERSION_MAX_ALLOWED) && (MAC_OS_X_VERSION_MAX_ALLOWED < 101200))
#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 gl2 gl2_t;
enum gl2_flags
{
GL2_FLAG_TEXTURE_MIPMAP = (1 << 0),
GL2_FLAG_SHOULD_RESIZE = (1 << 1),
GL2_FLAG_HAVE_MIPMAP = (1 << 2),
GL2_FLAG_QUITTING = (1 << 3),
GL2_FLAG_FULLSCREEN = (1 << 4),
GL2_FLAG_KEEP_ASPECT = (1 << 5),
GL2_FLAG_HAVE_FBO = (1 << 6),
GL2_FLAG_HW_RENDER_USE = (1 << 7),
GL2_FLAG_FBO_INITED = (1 << 8),
GL2_FLAG_FBO_FEEDBACK_ENABLE = (1 << 9),
GL2_FLAG_HW_RENDER_FBO_INIT = (1 << 10),
GL2_FLAG_SHARED_CONTEXT_USE = (1 << 11),
GL2_FLAG_CORE_CONTEXT_IN_USE = (1 << 12),
GL2_FLAG_HAVE_SYNC = (1 << 13),
GL2_FLAG_HAVE_UNPACK_ROW_LENGTH = (1 << 14),
GL2_FLAG_HAVE_ES2_COMPAT = (1 << 15),
GL2_FLAG_PBO_READBACK_ENABLE = (1 << 16),
GL2_FLAG_OVERLAY_ENABLE = (1 << 17),
GL2_FLAG_OVERLAY_FULLSCREEN = (1 << 18),
GL2_FLAG_MENU_TEXTURE_ENABLE = (1 << 19),
GL2_FLAG_MENU_TEXTURE_FULLSCREEN= (1 << 20),
GL2_FLAG_NONE = (1 << 21)
};
struct gl2
{
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];
uint32_t flags;
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 */
bool pbo_readback_valid[4];
};
bool gl2_load_luts(
const void *shader_data,
GLuint *textures_lut);
RETRO_END_DECLS
#endif