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[883/906] api: provide from_string()

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Also s/gst_gl_api_string/gst_gl_api_to_string/g
This commit is contained in:
Matthew Waters 2014-02-11 08:23:39 +11:00 committed by Tim-Philipp Müller
parent 6c594a0b15
commit cd53fbba24
7 changed files with 86 additions and 63 deletions
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2
gst-libs/gst/gl/glprototypes/gles1.h
View file

@ -40,7 +40,7 @@
GST_GL_EXT_BEGIN (only_in_gles1,
255, 255,
GST_GL_API_GLES,
GST_GL_API_GLES1,
"\0",
"\0")
GST_GL_EXT_FUNCTION (void, ClipPlanef, (GLenum plane, const GLfloat *equation))

2
gst-libs/gst/gl/glprototypes/gles1gles2.h
View file

@ -40,7 +40,7 @@
GST_GL_EXT_BEGIN (only_in_both_gles,
255, 255,
GST_GL_API_GLES |
GST_GL_API_GLES1 |
GST_GL_API_GLES2,
"\0",
"\0")

10
gst-libs/gst/gl/glprototypes/gles1gles2opengl.h
View file

@ -43,7 +43,7 @@
available */
GST_GL_EXT_BEGIN (core,
0, 0,
GST_GL_API_GLES | GST_GL_API_GLES2,
GST_GL_API_GLES1 | GST_GL_API_GLES2,
"\0",
"\0")
GST_GL_EXT_FUNCTION (void, BindTexture,
@ -181,7 +181,7 @@ GST_GL_EXT_END ()
GST_GL_EXT_BEGIN (only_in_both_gles_and_gl_1_3,
1, 3,
GST_GL_API_GLES |
GST_GL_API_GLES1 |
GST_GL_API_GLES2,
"\0",
"\0")
@ -210,7 +210,7 @@ GST_GL_EXT_END ()
GST_GL_EXT_BEGIN (only_in_both_gles_and_gl_1_5,
1, 5,
GST_GL_API_GLES |
GST_GL_API_GLES1 |
GST_GL_API_GLES2,
"\0",
"\0")
@ -219,7 +219,7 @@ GST_GL_EXT_FUNCTION (void, GetBufferParameteriv,
GST_GL_EXT_END ()
GST_GL_EXT_BEGIN (vbos, 1, 5,
GST_GL_API_GLES |
GST_GL_API_GLES1 |
GST_GL_API_GLES2,
"ARB\0",
"vertex_buffer_object\0")
@ -249,7 +249,7 @@ GST_GL_EXT_END ()
/* Available in GL 1.3, the multitexture extension or GLES. These are
required */
GST_GL_EXT_BEGIN (multitexture_part0, 1, 3,
GST_GL_API_GLES |
GST_GL_API_GLES1 |
GST_GL_API_GLES2,
"ARB\0",
"multitexture\0")

4
gst-libs/gst/gl/glprototypes/gles1opengl.h
View file

@ -39,7 +39,7 @@
*/
GST_GL_EXT_BEGIN (multitexture_part1, 1, 3,
GST_GL_API_GLES,
GST_GL_API_GLES1,
"ARB\0",
"multitexture\0")
GST_GL_EXT_FUNCTION (void, ClientActiveTexture,
@ -50,7 +50,7 @@ GST_GL_EXT_END ()
supports fixed-function (ie, GL and GLES1.1) */
GST_GL_EXT_BEGIN (fixed_function_core,
0, 0,
GST_GL_API_GLES,
GST_GL_API_GLES1,
"\0",
"\0")
GST_GL_EXT_FUNCTION (void, AlphaFunc,

75
gst-libs/gst/gl/gstglapi.c
View file

@ -23,8 +23,15 @@
#include "gstglapi.h"
/**
* gst_gl_api_to_string():
*
* @api: a #GstGLAPI to stringify
*
* Returns: A space seperated string of the OpenGL api's enabled in @api
*/
gchar *
gst_gl_api_string (GstGLAPI api)
gst_gl_api_to_string (GstGLAPI api)
{
GString *str = NULL;
gchar *ret;
@ -38,34 +45,34 @@ gst_gl_api_string (GstGLAPI api)
}
if (api & GST_GL_API_OPENGL) {
str = g_string_new ("opengl");
str = g_string_new (GST_GL_API_OPENGL_NAME);
}
if (api & GST_GL_API_OPENGL3) {
if (str) {
g_string_append (str, " opengl3");
g_string_append (str, " " GST_GL_API_OPENGL3_NAME);
} else {
str = g_string_new ("opengl3");
str = g_string_new (GST_GL_API_OPENGL3_NAME);
}
}
if (api & GST_GL_API_GLES) {
if (api & GST_GL_API_GLES1) {
if (str) {
g_string_append (str, " gles1");
g_string_append (str, " " GST_GL_API_GLES1_NAME);
} else {
str = g_string_new ("gles1");
str = g_string_new (GST_GL_API_GLES1_NAME);
}
}
if (api & GST_GL_API_GLES2) {
if (str) {
g_string_append (str, " gles2");
g_string_append (str, " " GST_GL_API_GLES2_NAME);
} else {
str = g_string_new ("gles2");
str = g_string_new (GST_GL_API_GLES2_NAME);
}
}
if (api & GST_GL_API_GLES3) {
if (str) {
g_string_append (str, " gles3");
g_string_append (str, " " GST_GL_API_GLES3_NAME);
} else {
str = g_string_new ("gles3");
str = g_string_new (GST_GL_API_GLES3_NAME);
}
}
@ -73,3 +80,49 @@ gst_gl_api_string (GstGLAPI api)
return ret;
}
/**
* gst_gl_api_from_string():
*
* @apis_s: a space seperated string of OpenGL apis
*
* Returns: The #GstGLAPI represented by @apis_s
*/
GstGLAPI
gst_gl_api_from_string (const gchar * apis_s)
{
GstGLAPI ret = GST_GL_API_NONE;
gchar *apis = (gchar *) apis_s;
if (!apis || apis[0] == '\0') {
ret = GST_GL_API_ANY;
} else {
while (apis) {
if (apis[0] == '\0') {
break;
} else if (apis[0] == ' ' || apis[0] == ',') {
apis = &apis[1];
} else if (g_strstr_len (apis, 7, GST_GL_API_OPENGL3_NAME)) {
ret |= GST_GL_API_OPENGL3;
apis = &apis[7];
} else if (g_strstr_len (apis, 6, GST_GL_API_OPENGL_NAME)) {
ret |= GST_GL_API_OPENGL;
apis = &apis[6];
} else if (g_strstr_len (apis, 5, GST_GL_API_GLES1_NAME)) {
ret |= GST_GL_API_GLES1;
apis = &apis[5];
} else if (g_strstr_len (apis, 5, GST_GL_API_GLES2_NAME)) {
ret |= GST_GL_API_GLES2;
apis = &apis[5];
} else if (g_strstr_len (apis, 5, GST_GL_API_GLES3_NAME)) {
ret |= GST_GL_API_GLES3;
apis = &apis[5];
} else {
GST_ERROR ("Error parsing \'%s\'", apis);
break;
}
}
}
return ret;
}

11
gst-libs/gst/gl/gstglapi.h
View file

@ -63,13 +63,19 @@ typedef enum {
GST_GL_API_NONE = 0,
GST_GL_API_OPENGL = (1 << 0),
GST_GL_API_OPENGL3 = (1 << 1),
GST_GL_API_GLES = (1 << 15),
GST_GL_API_GLES1 = (1 << 15),
GST_GL_API_GLES2 = (1 << 16),
GST_GL_API_GLES3 = (1 << 17),
GST_GL_API_ANY = G_MAXUINT32
} GstGLAPI;
#define GST_GL_API_OPENGL_NAME "opengl"
#define GST_GL_API_OPENGL3_NAME "opengl3"
#define GST_GL_API_GLES1_NAME "gles1"
#define GST_GL_API_GLES2_NAME "gles2"
#define GST_GL_API_GLES3_NAME "gles3"
typedef enum
{
GST_GL_PLATFORM_UNKNOWN = 0,
@ -110,7 +116,8 @@ typedef struct _GstGLFuncs
#undef GST_GL_EXT_FUNCTION
#undef GST_GL_EXT_END
gchar * gst_gl_api_string (GstGLAPI api);
gchar * gst_gl_api_to_string (GstGLAPI api);
GstGLAPI gst_gl_api_from_string (const gchar * api_s);
G_END_DECLS

45
gst-libs/gst/gl/gstglcontext.c
View file

@ -572,43 +572,6 @@ _compiled_api (void)
return ret;
}
GstGLAPI
_parse_gl_api (const gchar * apis_s)
{
GstGLAPI ret = GST_GL_API_NONE;
gchar *apis = (gchar *) apis_s;
while (apis) {
if (apis[0] == '\0') {
break;
} else if (apis[0] == ' ' || apis[0] == ',') {
apis = &apis[1];
} else if (g_strstr_len (apis, 7, "opengl3")) {
ret |= GST_GL_API_OPENGL3;
apis = &apis[7];
} else if (g_strstr_len (apis, 6, "opengl")) {
ret |= GST_GL_API_OPENGL;
apis = &apis[6];
} else if (g_strstr_len (apis, 5, "gles1")) {
ret |= GST_GL_API_GLES;
apis = &apis[5];
} else if (g_strstr_len (apis, 5, "gles2")) {
ret |= GST_GL_API_GLES2;
apis = &apis[5];
} else if (g_strstr_len (apis, 5, "gles3")) {
ret |= GST_GL_API_GLES3;
apis = &apis[5];
} else {
break;
}
}
if (ret == GST_GL_API_NONE)
ret = GST_GL_API_ANY;
return ret;
}
static void
_unlock_create_thread (GstGLContext * context)
{
@ -653,10 +616,10 @@ gst_gl_context_create_thread (GstGLContext * context)
user_choice = g_getenv ("GST_GL_API");
user_api = _parse_gl_api (user_choice);
user_api_string = gst_gl_api_string (user_api);
user_api = gst_gl_api_from_string (user_choice);
user_api_string = gst_gl_api_to_string (user_api);
compiled_api_s = gst_gl_api_string (compiled_api);
compiled_api_s = gst_gl_api_to_string (compiled_api);
if ((user_api & compiled_api) == GST_GL_API_NONE) {
g_set_error (error, GST_GL_CONTEXT_ERROR, GST_GL_CONTEXT_ERROR_WRONG_API,
@ -700,7 +663,7 @@ gst_gl_context_create_thread (GstGLContext * context)
g_assert (display->gl_api != GST_GL_API_NONE
&& display->gl_api != GST_GL_API_ANY);
api_string = gst_gl_api_string (display->gl_api);
api_string = gst_gl_api_to_string (display->gl_api);
GST_INFO ("available GL APIs: %s", api_string);
if (((compiled_api & display->gl_api) & user_api) == GST_GL_API_NONE) {