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gl_common: Replace strstr() for extension checks with a helper function 

The helper incorporates NULL checks, and we love those, so it's better.
This commit is contained in:
Derek Foreman 2018-03-08 13:33:32 -06:00
parent c7b44dfa2c
commit 464d0ca9bb
2 changed files with 33 additions and 25 deletions
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2
src/modules/evas/engines/gl_common/evas_gl_common.h
View File

@ -563,6 +563,7 @@ EAPI void evas_gl_preload_render_lock(evas_gl_make_current_cb make_curre
EAPI void evas_gl_preload_render_unlock(evas_gl_make_current_cb make_current, void *engine_data);
EAPI void evas_gl_preload_render_relax(evas_gl_make_current_cb make_current, void *engine_data);
EAPI void evas_gl_symbols(void *(*GetProcAddress)(const char *name), const char *extsn);
EAPI Eina_Bool evas_gl_extension_string_check(const char *ext, const char *exts);
EAPI void evas_gl_common_error_set(int error_enum);
EAPI int evas_gl_common_error_get(void);
@ -577,6 +578,7 @@ typedef Evas_Engine_GL_Context *(*Evas_GL_Common_Context_New)(void);
typedef void (*Evas_GL_Common_Context_Resize_Call)(Evas_Engine_GL_Context *gc, int w, int h, int rot);
typedef int (*Evas_GL_Common_Buffer_Dump_Call)(Evas_Engine_GL_Context *gc,const char* dname, const char* fname, int frame, const char* suffix);
typedef void (*Evas_Gl_Symbols)(void *(*GetProcAddress)(const char *sym), const char *extsn);
typedef Eina_Bool (*Evas_Gl_Extension_String_Check)(const char *exts, const char *ext);
EAPI void __evas_gl_err(int err, const char *file, const char *func, int line, const char *op);

56
src/modules/evas/engines/gl_common/evas_gl_context.c
View File

@ -84,6 +84,18 @@ sym_missing(void)
ERR("GL symbols missing!");
}
EAPI Eina_Bool
evas_gl_extension_string_check(const char *exts, const char *ext)
{
if (!exts || !ext) return EINA_FALSE;
return strstr(exts, ext) != NULL;
}
/* Totally gross, but I didn't want to reindent all the
* strstr() callers :(
*/
static Evas_Gl_Extension_String_Check _ckext = evas_gl_extension_string_check;
static int
_has_ext(const char *ext, const char **pexts, int *pnum)
{
@ -114,17 +126,11 @@ _has_ext(const char *ext, const char **pexts, int *pnum)
if (!exts) return EINA_FALSE;
*pexts = exts;
}
return strstr(exts, ext) != NULL;
return _ckext(exts, ext);
}
}
#ifdef GL_GLES
static int
_has_extn(const char *ext, const char *exts)
{
if (!exts || !ext) return EINA_FALSE;
return strstr(exts, ext) != NULL;
}
EAPI void *
evas_gl_common_eglCreateImage(EGLDisplay dpy, EGLContext ctx, EGLenum target, EGLClientBuffer buffer, const EGLAttrib *attrib_list)
@ -312,7 +318,7 @@ evas_gl_symbols(void *(*GetProcAddress)(const char *name), const char *extsn)
#ifdef GL_GLES
#define FINDSYMN(dst, sym, ext, typ) do { \
if (!dst) { \
if (_has_extn(ext, extsn) && GetProcAddress) \
if (_ckext(extsn, ext) && GetProcAddress) \
dst = (typ) GetProcAddress(sym); \
if (!dst) \
dst = (typ) dlsym(RTLD_DEFAULT, sym); \
@ -887,41 +893,41 @@ evas_gl_common_context_new(void)
{
if (getenv("EVAS_GL_INFO"))
fprintf(stderr, "EXT:\n%s\n", ext);
if ((strstr(ext, "GL_ARB_texture_non_power_of_two")) ||
(strstr(ext, "OES_texture_npot")) ||
(strstr(ext, "GL_IMG_texture_npot")))
if ((_ckext(ext, "GL_ARB_texture_non_power_of_two")) ||
(_ckext(ext, "OES_texture_npot")) ||
(_ckext(ext, "GL_IMG_texture_npot")))
shared->info.tex_npo2 = 1;
if ((strstr(ext, "GL_NV_texture_rectangle")) ||
(strstr(ext, "GL_EXT_texture_rectangle")) ||
(strstr(ext, "GL_ARB_texture_rectangle")))
if ((_ckext(ext, "GL_NV_texture_rectangle")) ||
(_ckext(ext, "GL_EXT_texture_rectangle")) ||
(_ckext(ext, "GL_ARB_texture_rectangle")))
shared->info.tex_rect = 1;
if ((strstr(ext, "GL_ARB_get_program_binary")) ||
(strstr(ext, "GL_OES_get_program_binary")))
if ((_ckext(ext, "GL_ARB_get_program_binary")) ||
(_ckext(ext, "GL_OES_get_program_binary")))
shared->info.bin_program = 1;
else
glsym_glGetProgramBinary = NULL;
#ifdef GL_UNPACK_ROW_LENGTH
shared->info.unpack_row_length = 1;
# ifdef GL_GLES
if (!strstr(ext, "_unpack_subimage"))
if (!_ckext(ext, "_unpack_subimage"))
shared->info.unpack_row_length = 0;
# endif
#endif
#ifdef GL_TEXTURE_MAX_ANISOTROPY_EXT
if ((strstr(ext, "GL_EXT_texture_filter_anisotropic")))
if ((_ckext(ext, "GL_EXT_texture_filter_anisotropic")))
glGetFloatv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT,
&(shared->info.anisotropic));
#endif
#ifdef GL_BGRA
if ((strstr(ext, "GL_EXT_bgra")) ||
(strstr(ext, "GL_EXT_texture_format_BGRA8888")))
if ((_ckext(ext, "GL_EXT_bgra")) ||
(_ckext(ext, "GL_EXT_texture_format_BGRA8888")))
shared->info.bgra = 1;
#endif
if (strstr(ext, "OES_compressed_ETC1_RGB8_texture"))
if (_ckext(ext, "OES_compressed_ETC1_RGB8_texture"))
shared->info.etc1 = 1;
if (strstr(ext, "GL_EXT_texture_compression_s3tc") ||
strstr(ext, "GL_S3_s3tc"))
if (_ckext(ext, "GL_EXT_texture_compression_s3tc") ||
_ckext(ext, "GL_S3_s3tc"))
shared->info.s3tc = 1;
#ifdef GL_GLES
// FIXME: there should be an extension name/string to check for
@ -949,7 +955,7 @@ evas_gl_common_context_new(void)
(secsym_tbm_surface_get_info))
shared->info.sec_tbm_surface = 1;
#endif
if (!strstr(ext, "GL_QCOM_tiled_rendering"))
if (!_ckext(ext, "GL_QCOM_tiled_rendering"))
{
glsym_glStartTiling = NULL;
glsym_glEndTiling = NULL;
@ -1046,7 +1052,7 @@ evas_gl_common_context_new(void)
// Note: If we support ETC2 we'll try to always use ETC2 even when the
// image has colorspace ETC1 (backwards compatibility).
if (ext && strstr(ext, "GL_EXT_compressed_ETC1_RGB8_sub_texture"))
if (_ckext(ext, "GL_EXT_compressed_ETC1_RGB8_sub_texture"))
shared->info.etc1_subimage = 1;
else
shared->info.etc1_subimage = shared->info.etc2;