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gl_check_capability - cleanups

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This commit is contained in:
twinaphex 2016-08-01 17:30:58 +02:00
parent 76c021df09
commit 3d76f6e79f
1 changed files with 33 additions and 68 deletions
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101
gfx/drivers/gl.c
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@ -326,6 +326,22 @@ enum gl_capability_enum
static bool gl_check_capability(enum gl_capability_enum enum_idx)
{
unsigned major = 0;
unsigned minor = 0;
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
switch (enum_idx)
{
case GL_CAPS_EGLIMAGE:
@ -439,66 +455,30 @@ static bool gl_check_capability(enum gl_capability_enum enum_idx)
break;
case GL_CAPS_UNPACK_ROW_LENGTH:
#ifdef HAVE_OPENGLES
if (gles3)
return true;
if (gl_query_extension("GL_EXT_unpack_subimage"))
{
unsigned major = 0;
unsigned minor = 0;
bool gles3 = false;
const char *version = (const char*)glGetString(GL_VERSION);
if (version && sscanf(version, "OpenGL ES %u.%u", &major, &minor) != 2)
major = minor = 0;
if (major >= 3)
{
RARCH_LOG("[GL]: GLES3 or newer detected. Auto-enabling some extensions.\n");
gles3 = true;
}
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;
}
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
{
unsigned major = 0, minor = 0;
bool gles3 = false;
const char *version = (const char*)glGetString(GL_VERSION);
if (gles3)
return true;
if (version && sscanf(version, "OpenGL ES %u.%u", &major, &minor) != 2)
major = minor = 0;
if (major >= 3)
{
RARCH_LOG("[GL]: GLES3 or newer detected. Auto-enabling some extensions.\n");
gles3 = true;
}
if (gles3)
return true;
if (gl_query_extension("ARB_texture_non_power_of_two") ||
gl_query_extension("OES_texture_npot"))
return true;
}
if (gl_query_extension("ARB_texture_non_power_of_two") ||
gl_query_extension("OES_texture_npot"))
return true;
#else
{
unsigned major = 0, minor = 0;
GLint max_texture_size = 0;
GLint max_native_instr = 0;
bool arb_npot = false;
bool arb_frag_program = false;
const char *version = (const char*)glGetString(GL_VERSION);
if (version && sscanf(version, "%u.%u", &major, &minor) != 2)
major = minor = 0;
if (major >= 3)
return true;
@ -516,36 +496,21 @@ static bool gl_check_capability(enum gl_capability_enum enum_idx)
#endif
if (arb_npot && arb_frag_program &&
(max_texture_size >= 8192) && (max_native_instr >= 4096))
(max_texture_size >= 8192) && (max_native_instr >= 4096))
return true;
}
#endif
break;
case GL_CAPS_SRGB_FBO:
#if defined(HAVE_OPENGLES)
{
unsigned major = 0, minor = 0;
bool gles3 = false;
const char *version = (const char*)glGetString(GL_VERSION);
if (version && sscanf(version, "OpenGL ES %u.%u", &major, &minor) != 2)
major = minor = 0;
if (major >= 3)
{
RARCH_LOG("[GL]: GLES3 or newer detected. Auto-enabling some extensions.\n");
gles3 = true;
}
/* No extensions for float FBO currently. */
if (gles3 || gl_query_extension("EXT_sRGB"))
return true;
}
/* No extensions for float FBO currently. */
if (gles3 || gl_query_extension("EXT_sRGB"))
return true;
#else
#ifdef HAVE_FBO
if (gl_core_context ||
(gl_query_extension("EXT_texture_sRGB")
&& gl_query_extension("ARB_framebuffer_sRGB")))
(gl_query_extension("EXT_texture_sRGB")
&& gl_query_extension("ARB_framebuffer_sRGB")))
return true;
#endif
#endif