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Create gl_capabilities.c/gl_capabilities.h

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This commit is contained in:
twinaphex 2016-09-05 07:04:56 +02:00
parent cdf816b46b
commit 7af3b79416
7 changed files with 381 additions and 304 deletions
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1
Makefile.common
View File

@ -697,6 +697,7 @@ endif
ifeq ($(HAVE_GL_CONTEXT), 1)
DEFINES += -DHAVE_OPENGL -DHAVE_GLSL
OBJ += gfx/drivers/gl.o \
gfx/drivers/gl_capabilities.o \
gfx/drivers/gl_renderchains/render_chain_gl_legacy.o \
gfx/common/gl_common.o \
gfx/drivers_font/gl_raster_font.o \

290
gfx/drivers/gl.c
View File

@ -37,6 +37,7 @@
#include <string/stdstring.h>
#include <libretro.h>
#include "gl_capabilities.h"
#include "gl_renderchains/render_chain_gl.h"
#include "../../driver.h"
@ -118,51 +119,14 @@ static const GLfloat white_color[] = {
1, 1, 1, 1,
};
static bool gl_core_context = false;
static bool gl_shared_context_use = false;
bool gl_query_core_context_in_use(void)
{
return gl_core_context;
}
void context_bind_hw_render(bool enable)
{
if (gl_shared_context_use)
video_context_driver_bind_hw_render(&enable);
}
static INLINE bool gl_query_extension(const char *ext)
{
bool ret = false;
if (gl_query_core_context_in_use())
{
#ifdef GL_NUM_EXTENSIONS
GLint i;
GLint exts = 0;
glGetIntegerv(GL_NUM_EXTENSIONS, &exts);
for (i = 0; i < exts; i++)
{
const char *str = (const char*)glGetStringi(GL_EXTENSIONS, i);
if (str && strstr(str, ext))
{
ret = true;
break;
}
}
#endif
}
else
{
const char *str = (const char*)glGetString(GL_EXTENSIONS);
ret = str && strstr(str, ext);
}
RARCH_LOG("Querying GL extension: %s => %s\n",
ext, ret ? "exists" : "doesn't exist");
return ret;
}
#ifdef HAVE_OVERLAY
static void gl_free_overlay(gl_t *gl)
@ -300,246 +264,6 @@ static void gl_render_overlay(gl_t *gl)
coords[5] = yamt; \
coords[7] = yamt
#if defined(HAVE_FBO) && defined(HAVE_PSGL)
#define glGenFramebuffers glGenFramebuffersOES
#define glBindFramebuffer glBindFramebufferOES
#define glFramebufferTexture2D glFramebufferTexture2DOES
#define glCheckFramebufferStatus glCheckFramebufferStatusOES
#define glDeleteFramebuffers glDeleteFramebuffersOES
#define glGenRenderbuffers glGenRenderbuffersOES
#define glBindRenderbuffer glBindRenderbufferOES
#define glFramebufferRenderbuffer glFramebufferRenderbufferOES
#define glRenderbufferStorage glRenderbufferStorageOES
#define glDeleteRenderbuffers glDeleteRenderbuffersOES
#endif
bool gl_check_capability(enum gl_capability_enum enum_idx)
{
unsigned major = 0;
unsigned minor = 0;
settings_t *settings = config_get_ptr();
const char *vendor = (const char*)glGetString(GL_VENDOR);
const char *renderer = (const char*)glGetString(GL_RENDERER);
const char *version = (const char*)glGetString(GL_VERSION);
#ifdef HAVE_OPENGLES
bool gles3 = false;
if (version && sscanf(version, "OpenGL ES %u.%u", &major, &minor) != 2)
major = minor = 0;
if (major >= 3)
gles3 = true;
#else
if (version && sscanf(version, "%u.%u", &major, &minor) != 2)
major = minor = 0;
#endif
(void)vendor;
switch (enum_idx)
{
case GL_CAPS_EGLIMAGE:
#if defined(HAVE_EGL) && defined(HAVE_OPENGLES)
if (glEGLImageTargetTexture2DOES != NULL)
return true;
#endif
break;
case GL_CAPS_SYNC:
#ifdef HAVE_GL_SYNC
if (gl_query_extension("ARB_sync") &&
glFenceSync && glDeleteSync && glClientWaitSync)
return true;
#endif
break;
case GL_CAPS_MIPMAP:
{
static bool extension_queried = false;
static bool extension = false;
if (!extension_queried)
{
extension = gl_query_extension("ARB_framebuffer_object");
extension_queried = true;
}
if (extension)
return true;
}
break;
case GL_CAPS_VAO:
#ifndef HAVE_OPENGLES
if (!gl_query_core_context_in_use() && !gl_query_extension("ARB_vertex_array_object"))
return false;
if (glGenVertexArrays && glBindVertexArray && glDeleteVertexArrays)
return true;
#endif
break;
case GL_CAPS_FBO:
#if defined(HAVE_PSGL) || defined(HAVE_OPENGLES2) || defined(HAVE_OPENGLES3) || defined(HAVE_OPENGLES_3_1) || defined(HAVE_OPENGLES_3_2)
return true;
#elif defined(HAVE_FBO)
if (!gl_query_core_context_in_use() && !gl_query_extension("ARB_framebuffer_object")
&& !gl_query_extension("EXT_framebuffer_object"))
return false;
if (glGenFramebuffers
&& glBindFramebuffer
&& glFramebufferTexture2D
&& glCheckFramebufferStatus
&& glDeleteFramebuffers
&& glGenRenderbuffers
&& glBindRenderbuffer
&& glFramebufferRenderbuffer
&& glRenderbufferStorage
&& glDeleteRenderbuffers)
return true;
break;
#else
break;
#endif
case GL_CAPS_ARGB8:
#ifdef HAVE_OPENGLES
if (gl_query_extension("OES_rgb8_rgba8")
|| gl_query_extension("ARM_argb8"))
return true;
#else
/* TODO/FIXME - implement this for non-GLES? */
#endif
break;
case GL_CAPS_DEBUG:
if (gl_query_extension("KHR_debug"))
return true;
#ifndef HAVE_OPENGLES
if (gl_query_extension("ARB_debug_output"))
return true;
#endif
break;
case GL_CAPS_PACKED_DEPTH_STENCIL:
{
struct retro_hw_render_callback *hwr =
video_driver_get_hw_context();
#ifdef HAVE_OPENGLES
if (gles3)
return true;
#else
if (major >= 3)
return true;
#endif
if (hwr->stencil
&& !gl_query_extension("OES_packed_depth_stencil")
&& !gl_query_extension("EXT_packed_depth_stencil"))
return false;
}
return true;
case GL_CAPS_ES2_COMPAT:
#ifndef HAVE_OPENGLES
if (vendor && renderer && (strstr(vendor, "ATI") || strstr(renderer, "ATI")))
{
RARCH_LOG("[GL]: ATI card detected, skipping check for GL_RGB565 support.\n");
return false;
}
if (gl_query_extension("ARB_ES2_compatibility"))
return true;
#endif
break;
case GL_CAPS_UNPACK_ROW_LENGTH:
#ifdef HAVE_OPENGLES
if (gles3)
return true;
if (gl_query_extension("GL_EXT_unpack_subimage"))
{
RARCH_LOG("[GL]: Extension GL_EXT_unpack_subimage, can copy textures faster using UNPACK_ROW_LENGTH.\n");
return true;
}
#endif
break;
case GL_CAPS_FULL_NPOT_SUPPORT:
#ifdef HAVE_OPENGLES
if (gles3)
return true;
if (gl_query_extension("ARB_texture_non_power_of_two") ||
gl_query_extension("OES_texture_npot"))
return true;
#else
{
GLint max_texture_size = 0;
GLint max_native_instr = 0;
bool arb_npot = false;
bool arb_frag_program = false;
if (major >= 3)
return true;
/* try to detect actual npot support. might fail for older cards. */
arb_npot = gl_query_extension("ARB_texture_non_power_of_two");
arb_frag_program = gl_query_extension("ARB_fragment_program");
glGetIntegerv(GL_MAX_TEXTURE_SIZE, &max_texture_size);
#ifdef GL_MAX_PROGRAM_NATIVE_INSTRUCTIONS_ARB
if (arb_frag_program && glGetProgramivARB)
glGetProgramivARB(GL_FRAGMENT_PROGRAM_ARB,
GL_MAX_PROGRAM_NATIVE_INSTRUCTIONS_ARB, &max_native_instr);
#endif
if (arb_npot && arb_frag_program &&
(max_texture_size >= 8192) && (max_native_instr >= 4096))
return true;
}
#endif
break;
case GL_CAPS_SRGB_FBO_ES3:
#ifdef HAVE_OPENGLES
return gles3;
#else
break;
#endif
case GL_CAPS_SRGB_FBO:
if (settings->video.force_srgb_disable)
return false;
#if defined(HAVE_OPENGLES)
if (gles3 || gl_query_extension("EXT_sRGB"))
return true;
#elif defined(HAVE_FBO)
if (gl_query_core_context_in_use() ||
(gl_query_extension("EXT_texture_sRGB")
&& gl_query_extension("ARB_framebuffer_sRGB")))
return true;
#endif
break;
case GL_CAPS_FP_FBO:
/* GLES - No extensions for float FBO currently. */
#ifndef HAVE_OPENGLES
#ifdef HAVE_FBO
/* Float FBO is core in 3.2. */
if (gl_query_core_context_in_use() || gl_query_extension("ARB_texture_float"))
return true;
#endif
#endif
break;
case GL_CAPS_BGRA8888:
#ifdef HAVE_OPENGLES
/* There are both APPLE and EXT variants. */
/* Videocore hardware supports BGRA8888 extension, but
* should be purposefully avoided. */
if (gl_query_extension("BGRA8888") && !strstr(renderer, "VideoCore"))
return true;
#else
/* TODO/FIXME - implement this for non-GLES? */
#endif
break;
case GL_CAPS_NONE:
default:
break;
}
return false;
}
static void gl_set_projection(gl_t *gl,
struct video_ortho *ortho, bool allow_rotate)
{
@ -1661,7 +1385,7 @@ static void gl_destroy_resources(gl_t *gl)
}
gl_shared_context_use = false;
gl_core_context = false;
gl_query_core_context_unset();
}
static void gl_free(void *data)
@ -1767,8 +1491,7 @@ static bool resolve_extensions(gl_t *gl, const char *context_ident)
struct retro_hw_render_callback *hwr =
video_driver_get_hw_context();
gl_core_context =
(hwr->context_type == RETRO_HW_CONTEXT_OPENGL_CORE);
gl_query_core_context_set(hwr->context_type == RETRO_HW_CONTEXT_OPENGL_CORE);
if (gl_query_core_context_in_use())
{
@ -1816,8 +1539,11 @@ static bool resolve_extensions(gl_t *gl, const char *context_ident)
/* TODO/FIXME - No extensions for float FBO currently. */
#endif
gl->has_fp_fbo = gl_check_capability(GL_CAPS_FP_FBO);
gl->has_srgb_fbo = gl_check_capability(GL_CAPS_SRGB_FBO);
gl->has_fp_fbo = gl_check_capability(GL_CAPS_FP_FBO);
if (settings->video.force_srgb_disable)
gl->has_srgb_fbo = false;
else
gl->has_srgb_fbo = gl_check_capability(GL_CAPS_SRGB_FBO);
#ifdef GL_DEBUG
/* Useful for debugging, but kinda obnoxious otherwise. */

313
gfx/drivers/gl_capabilities.c Normal file
View File

@ -0,0 +1,313 @@
/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
* Copyright (C) 2011-2016 - Daniel De Matteis
* Copyright (C) 2012-2015 - Michael Lelli
*
* 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/>.
*/
#include <stdio.h>
#include <stdint.h>
#include <math.h>
#include <string.h>
#include <retro_inline.h>
#include <boolean.h>
#include "gl_capabilities.h"
#include "../common/gl_common.h"
#if defined(HAVE_FBO) && defined(HAVE_PSGL)
#define glGenFramebuffers glGenFramebuffersOES
#define glBindFramebuffer glBindFramebufferOES
#define glFramebufferTexture2D glFramebufferTexture2DOES
#define glCheckFramebufferStatus glCheckFramebufferStatusOES
#define glDeleteFramebuffers glDeleteFramebuffersOES
#define glGenRenderbuffers glGenRenderbuffersOES
#define glBindRenderbuffer glBindRenderbufferOES
#define glFramebufferRenderbuffer glFramebufferRenderbufferOES
#define glRenderbufferStorage glRenderbufferStorageOES
#define glDeleteRenderbuffers glDeleteRenderbuffersOES
#endif
static bool gl_core_context = false;
bool gl_query_core_context_in_use(void)
{
return gl_core_context;
}
void gl_query_core_context_set(bool set)
{
gl_core_context = set;
}
void gl_query_core_context_unset(void)
{
gl_core_context = false;
}
static INLINE bool gl_query_extension(const char *ext)
{
bool ret = false;
if (gl_query_core_context_in_use())
{
#ifdef GL_NUM_EXTENSIONS
GLint i;
GLint exts = 0;
glGetIntegerv(GL_NUM_EXTENSIONS, &exts);
for (i = 0; i < exts; i++)
{
const char *str = (const char*)glGetStringi(GL_EXTENSIONS, i);
if (str && strstr(str, ext))
{
ret = true;
break;
}
}
#endif
}
else
{
const char *str = (const char*)glGetString(GL_EXTENSIONS);
ret = str && strstr(str, ext);
}
RARCH_LOG("Querying GL extension: %s => %s\n",
ext, ret ? "exists" : "doesn't exist");
return ret;
}
bool gl_check_capability(enum gl_capability_enum enum_idx)
{
unsigned major = 0;
unsigned minor = 0;
const char *vendor = (const char*)glGetString(GL_VENDOR);
const char *renderer = (const char*)glGetString(GL_RENDERER);
const char *version = (const char*)glGetString(GL_VERSION);
#ifdef HAVE_OPENGLES
bool gles3 = false;
if (version && sscanf(version, "OpenGL ES %u.%u", &major, &minor) != 2)
major = minor = 0;
if (major >= 3)
gles3 = true;
#else
if (version && sscanf(version, "%u.%u", &major, &minor) != 2)
major = minor = 0;
#endif
(void)vendor;
switch (enum_idx)
{
case GL_CAPS_EGLIMAGE:
#if defined(HAVE_EGL) && defined(HAVE_OPENGLES)
if (glEGLImageTargetTexture2DOES != NULL)
return true;
#endif
break;
case GL_CAPS_SYNC:
#ifdef HAVE_GL_SYNC
if (gl_query_extension("ARB_sync") &&
glFenceSync && glDeleteSync && glClientWaitSync)
return true;
#endif
break;
case GL_CAPS_MIPMAP:
{
static bool extension_queried = false;
static bool extension = false;
if (!extension_queried)
{
extension = gl_query_extension("ARB_framebuffer_object");
extension_queried = true;
}
if (extension)
return true;
}
break;
case GL_CAPS_VAO:
#ifndef HAVE_OPENGLES
if (!gl_query_core_context_in_use() && !gl_query_extension("ARB_vertex_array_object"))
return false;
if (glGenVertexArrays && glBindVertexArray && glDeleteVertexArrays)
return true;
#endif
break;
case GL_CAPS_FBO:
#if defined(HAVE_PSGL) || defined(HAVE_OPENGLES2) || defined(HAVE_OPENGLES3) || defined(HAVE_OPENGLES_3_1) || defined(HAVE_OPENGLES_3_2)
return true;
#elif defined(HAVE_FBO)
if (!gl_query_core_context_in_use() && !gl_query_extension("ARB_framebuffer_object")
&& !gl_query_extension("EXT_framebuffer_object"))
return false;
if (glGenFramebuffers
&& glBindFramebuffer
&& glFramebufferTexture2D
&& glCheckFramebufferStatus
&& glDeleteFramebuffers
&& glGenRenderbuffers
&& glBindRenderbuffer
&& glFramebufferRenderbuffer
&& glRenderbufferStorage
&& glDeleteRenderbuffers)
return true;
break;
#else
break;
#endif
case GL_CAPS_ARGB8:
#ifdef HAVE_OPENGLES
if (gl_query_extension("OES_rgb8_rgba8")
|| gl_query_extension("ARM_argb8"))
return true;
#else
/* TODO/FIXME - implement this for non-GLES? */
#endif
break;
case GL_CAPS_DEBUG:
if (gl_query_extension("KHR_debug"))
return true;
#ifndef HAVE_OPENGLES
if (gl_query_extension("ARB_debug_output"))
return true;
#endif
break;
case GL_CAPS_PACKED_DEPTH_STENCIL:
{
struct retro_hw_render_callback *hwr =
video_driver_get_hw_context();
#ifdef HAVE_OPENGLES
if (gles3)
return true;
#else
if (major >= 3)
return true;
#endif
if (hwr->stencil
&& !gl_query_extension("OES_packed_depth_stencil")
&& !gl_query_extension("EXT_packed_depth_stencil"))
return false;
}
return true;
case GL_CAPS_ES2_COMPAT:
#ifndef HAVE_OPENGLES
if (vendor && renderer && (strstr(vendor, "ATI") || strstr(renderer, "ATI")))
{
RARCH_LOG("[GL]: ATI card detected, skipping check for GL_RGB565 support.\n");
return false;
}
if (gl_query_extension("ARB_ES2_compatibility"))
return true;
#endif
break;
case GL_CAPS_UNPACK_ROW_LENGTH:
#ifdef HAVE_OPENGLES
if (gles3)
return true;
if (gl_query_extension("GL_EXT_unpack_subimage"))
{
RARCH_LOG("[GL]: Extension GL_EXT_unpack_subimage, can copy textures faster using UNPACK_ROW_LENGTH.\n");
return true;
}
#endif
break;
case GL_CAPS_FULL_NPOT_SUPPORT:
#ifdef HAVE_OPENGLES
if (gles3)
return true;
if (gl_query_extension("ARB_texture_non_power_of_two") ||
gl_query_extension("OES_texture_npot"))
return true;
#else
{
GLint max_texture_size = 0;
GLint max_native_instr = 0;
bool arb_npot = false;
bool arb_frag_program = false;
if (major >= 3)
return true;
/* try to detect actual npot support. might fail for older cards. */
arb_npot = gl_query_extension("ARB_texture_non_power_of_two");
arb_frag_program = gl_query_extension("ARB_fragment_program");
glGetIntegerv(GL_MAX_TEXTURE_SIZE, &max_texture_size);
#ifdef GL_MAX_PROGRAM_NATIVE_INSTRUCTIONS_ARB
if (arb_frag_program && glGetProgramivARB)
glGetProgramivARB(GL_FRAGMENT_PROGRAM_ARB,
GL_MAX_PROGRAM_NATIVE_INSTRUCTIONS_ARB, &max_native_instr);
#endif
if (arb_npot && arb_frag_program &&
(max_texture_size >= 8192) && (max_native_instr >= 4096))
return true;
}
#endif
break;
case GL_CAPS_SRGB_FBO_ES3:
#ifdef HAVE_OPENGLES
return gles3;
#else
break;
#endif
case GL_CAPS_SRGB_FBO:
#if defined(HAVE_OPENGLES)
if (gles3 || gl_query_extension("EXT_sRGB"))
return true;
#elif defined(HAVE_FBO)
if (gl_query_core_context_in_use() ||
(gl_query_extension("EXT_texture_sRGB")
&& gl_query_extension("ARB_framebuffer_sRGB")))
return true;
#endif
break;
case GL_CAPS_FP_FBO:
/* GLES - No extensions for float FBO currently. */
#ifndef HAVE_OPENGLES
#ifdef HAVE_FBO
/* Float FBO is core in 3.2. */
if (gl_query_core_context_in_use() || gl_query_extension("ARB_texture_float"))
return true;
#endif
#endif
break;
case GL_CAPS_BGRA8888:
#ifdef HAVE_OPENGLES
/* There are both APPLE and EXT variants. */
/* Videocore hardware supports BGRA8888 extension, but
* should be purposefully avoided. */
if (gl_query_extension("BGRA8888") && !strstr(renderer, "VideoCore"))
return true;
#else
/* TODO/FIXME - implement this for non-GLES? */
#endif
break;
case GL_CAPS_NONE:
default:
break;
}
return false;
}

56
gfx/drivers/gl_capabilities.h Normal file
View File

@ -0,0 +1,56 @@
/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
* Copyright (C) 2011-2016 - Daniel De Matteis
* Copyright (C) 2012-2015 - Michael Lelli
*
* 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_CAPABILITIES_H
#define GL_CAPABILITIES_H
#include <boolean.h>
#include <retro_common_api.h>
enum gl_capability_enum
{
GL_CAPS_NONE = 0,
GL_CAPS_EGLIMAGE,
GL_CAPS_SYNC,
GL_CAPS_MIPMAP,
GL_CAPS_VAO,
GL_CAPS_FBO,
GL_CAPS_ARGB8,
GL_CAPS_DEBUG,
GL_CAPS_PACKED_DEPTH_STENCIL,
GL_CAPS_ES2_COMPAT,
GL_CAPS_UNPACK_ROW_LENGTH,
GL_CAPS_FULL_NPOT_SUPPORT,
GL_CAPS_SRGB_FBO,
GL_CAPS_SRGB_FBO_ES3,
GL_CAPS_FP_FBO,
GL_CAPS_BGRA8888
};
RETRO_BEGIN_DECLS
bool gl_query_core_context_in_use(void);
void gl_query_core_context_set(bool set);
void gl_query_core_context_unset(void);
bool gl_check_capability(enum gl_capability_enum enum_idx);
RETRO_END_DECLS
#endif

22
gfx/drivers/gl_renderchains/render_chain_gl.h
View File

@ -26,26 +26,6 @@
RETRO_BEGIN_DECLS
enum gl_capability_enum
{
GL_CAPS_NONE = 0,
GL_CAPS_EGLIMAGE,
GL_CAPS_SYNC,
GL_CAPS_MIPMAP,
GL_CAPS_VAO,
GL_CAPS_FBO,
GL_CAPS_ARGB8,
GL_CAPS_DEBUG,
GL_CAPS_PACKED_DEPTH_STENCIL,
GL_CAPS_ES2_COMPAT,
GL_CAPS_UNPACK_ROW_LENGTH,
GL_CAPS_FULL_NPOT_SUPPORT,
GL_CAPS_SRGB_FBO,
GL_CAPS_SRGB_FBO_ES3,
GL_CAPS_FP_FBO,
GL_CAPS_BGRA8888
};
void gl_renderchain_convert_geometry(gl_t *gl,
struct video_fbo_rect *fbo_rect,
struct gfx_fbo_scale *fbo_scale,
@ -96,8 +76,6 @@ void gl_renderchain_free(gl_t *gl);
bool gl_init_hw_render(gl_t *gl, unsigned width, unsigned height);
bool gl_check_capability(enum gl_capability_enum enum_idx);
void context_bind_hw_render(bool enable);
RETRO_END_DECLS

2
gfx/drivers/gl_renderchains/render_chain_gl_legacy.c
View File

@ -37,6 +37,8 @@
#include <string/stdstring.h>
#include <libretro.h>
#include "../gl_capabilities.h"
#include "../../../driver.h"
#include "../../../configuration.h"
#include "../../../record/record_driver.h"

1
griffin/griffin.c
View File

@ -299,6 +299,7 @@ VIDEO DRIVER
#ifdef HAVE_OPENGL
#include "../gfx/common/gl_common.c"
#include "../gfx/drivers/gl.c"
#include "../gfx/drivers/gl_capabilities.c"
#include "../gfx/drivers/gl_renderchains/render_chain_gl_legacy.c"
#ifndef HAVE_PSGL