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RetroArch/gfx/common/gl_common.h
twinaphex d3ae2cbd29 Cleanup some header includes
2019-01-20 01:49:21 +01:00

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/* 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 <http://www.gnu.org/licenses/>.
*/
#ifndef __GL_COMMON_H
#define __GL_COMMON_H
#include <boolean.h>
#include <string.h>
#include <libretro.h>
#include <retro_common_api.h>
#ifdef HAVE_CONFIG_H
#include "../../config.h"
#endif
#include <retro_inline.h>
#include <gfx/math/matrix_4x4.h>
#include <gfx/scaler/scaler.h>
#include <glsym/glsym.h>
#include <formats/image.h>
#include "../../verbosity.h"
#include "../font_driver.h"
#include "../video_coord_array.h"
#include "../video_driver.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)
#define GL_RGBA32F GL_RGBA32F_ARB
#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;
typedef struct gl_renderchain_driver gl_renderchain_driver_t;
struct gl_renderchain_driver
{
void (*set_coords)(void *handle_data,
void *chain_data,
void *shader_data, const struct video_coords *coords);
void (*set_mvp)(void *data,
void *chain_data,
void *shader_data,
const void *mat_data);
void (*init_texture_reference)(
gl_t *gl, void *chain_data, unsigned i,
unsigned internal_fmt, unsigned texture_fmt,
unsigned texture_type);
void (*fence_iterate)(void *data, void *chain_data,
unsigned hard_sync_frames);
void (*fence_free)(void *data, void *chain_data);
void (*readback)(gl_t *gl,
void *chain_data,
unsigned alignment,
unsigned fmt, unsigned type,
void *src);
void (*init_pbo)(unsigned size, const void *data);
void (*bind_pbo)(unsigned idx);
void (*unbind_pbo)(void *data, void *chain_data);
void (*copy_frame)(
gl_t *gl,
void *chain_data,
video_frame_info_t *video_info,
const void *frame,
unsigned width, unsigned height, unsigned pitch);
void (*restore_default_state)(gl_t *gl, void *chain_data);
void (*new_vao)(void *data, void *chain_data);
void (*free_vao)(void *data, void *chain_data);
void (*bind_vao)(void *data, void *chain_data);
void (*unbind_vao)(void *data, void *chain_data);
void (*disable_client_arrays)(void *data, void *chain_data);
void (*ff_vertex)(const void *data);
void (*ff_matrix)(const void *data);
void (*bind_backbuffer)(void *data, void *chain_data);
void (*deinit_fbo)(gl_t *gl, void *chain_data);
bool (*read_viewport)(
gl_t *gl, void *chain_data, uint8_t *buffer, bool is_idle);
void (*bind_prev_texture)(
gl_t *gl,
void *chain_data,
const struct video_tex_info *tex_info);
void (*chain_free)(void *data, void *chain_data);
void *(*chain_new)(void);
void (*init)(gl_t *gl, void *chain_data,
unsigned fbo_width, unsigned fbo_height);
bool (*init_hw_render)(gl_t *gl, void *chain_data,
unsigned width, unsigned height);
void (*free)(gl_t *gl, void *chain_data);
void (*deinit_hw_render)(gl_t *gl, void *chain_data);
void (*start_render)(gl_t *gl, void *chain_data,
video_frame_info_t *video_info);
void (*check_fbo_dimensions)(gl_t *gl, void *chain_data);
void (*recompute_pass_sizes)(gl_t *gl,
void *chain_data,
unsigned width, unsigned height,
unsigned vp_width, unsigned vp_height);
void (*renderchain_render)(gl_t *gl,
void *chain_data,
video_frame_info_t *video_info,
uint64_t frame_count,
const struct video_tex_info *tex_info,
const struct video_tex_info *feedback_info);
void (*resolve_extensions)(
gl_t *gl,
void *chain_data,
const char *context_ident,
const video_info_t *video);
const char *ident;
};
struct gl
{
GLenum internal_fmt;
GLenum texture_type; /* RGB565 or ARGB */
GLenum texture_fmt;
GLenum wrap_mode;
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 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;
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];
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;
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;
struct video_tex_info tex_info;
struct scaler_ctx pbo_readback_scaler;
struct video_viewport vp;
math_matrix_4x4 mvp, mvp_no_rot;
struct video_coords coords;
struct scaler_ctx scaler;
video_info_t video_info;
struct video_tex_info prev_info[GFX_MAX_TEXTURES];
struct video_fbo_rect fbo_rect[GFX_MAX_SHADERS];
const gl_renderchain_driver_t *renderchain_driver;
void *renderchain_data;
void *ctx_data;
const gfx_ctx_driver_t *ctx_driver;
};
static INLINE void gl_bind_texture(GLuint id, GLint wrap_mode, GLint mag_filter,
GLint 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);
}
static INLINE unsigned gl_wrap_type_to_enum(enum gfx_wrap_type type)
{
switch (type)
{
#ifndef HAVE_OPENGLES
case RARCH_WRAP_BORDER: /* GL_CLAMP_TO_BORDER: Available since GL 1.3 */
return GL_CLAMP_TO_BORDER;
#else
case RARCH_WRAP_BORDER:
#endif
case RARCH_WRAP_EDGE:
return GL_CLAMP_TO_EDGE;
case RARCH_WRAP_REPEAT:
return GL_REPEAT;
case RARCH_WRAP_MIRRORED_REPEAT:
return GL_MIRRORED_REPEAT;
default:
break;
}
return 0;
}
bool gl_query_core_context_in_use(void);
void gl_load_texture_image(GLenum target,
GLint level,
GLint internalFormat,
GLsizei width,
GLsizei height,
GLint border,
GLenum format,
GLenum type,
const GLvoid * data);
void gl_load_texture_data(
uint32_t id_data,
enum gfx_wrap_type wrap_type,
enum texture_filter_type filter_type,
unsigned alignment,
unsigned width, unsigned height,
const void *frame, unsigned base_size);
static INLINE GLenum gl_min_filter_to_mag(GLenum type)
{
switch (type)
{
case GL_LINEAR_MIPMAP_LINEAR:
return GL_LINEAR;
case GL_NEAREST_MIPMAP_NEAREST:
return GL_NEAREST;
default:
break;
}
return type;
}
static INLINE bool gl_set_core_context(enum retro_hw_context_type ctx_type)
{
gfx_ctx_flags_t flags;
if (ctx_type != RETRO_HW_CONTEXT_OPENGL_CORE)
return false;
/**
* Ensure that the rest of the frontend knows we have a core context
*/
flags.flags = 0;
BIT32_SET(flags.flags, GFX_CTX_FLAGS_GL_CORE_CONTEXT);
video_context_driver_set_flags(&flags);
return true;
}
RETRO_END_DECLS
#endif
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