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glformat: define our own set of formats from the GL defines

Browse source 
also add some depth/stencil formats
This commit is contained in:
Matthew Waters 2016-07-11 22:28:42 +10:00 committed by Tim-Philipp Müller
parent f12e404564
commit 6485accb47
2 changed files with 61 additions and 49 deletions
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83
gst-libs/gst/gl/gstglformat.c
View file

@ -31,22 +31,6 @@
#define USING_GLES2(context) (gst_gl_context_check_gl_version (context, GST_GL_API_GLES2, 2, 0))
#define USING_GLES3(context) (gst_gl_context_check_gl_version (context, GST_GL_API_GLES2, 3, 0))
#ifndef GL_RGBA8
#define GL_RGBA8 0x8058
#endif
#ifndef GL_RED
#define GL_RED 0x1903
#endif
#ifndef GL_RG
#define GL_RG 0x8227
#endif
#ifndef GL_R8
#define GL_R8 0x8229
#endif
#ifndef GL_RG8
#define GL_RG8 0x822B
#endif
#ifndef GL_TEXTURE_RECTANGLE
#define GL_TEXTURE_RECTANGLE 0x84F5
#endif
@ -59,21 +43,21 @@ _gl_format_n_components (guint format)
{
switch (format) {
case GST_VIDEO_GL_TEXTURE_TYPE_RGBA:
case GL_RGBA:
case GST_GL_RGBA:
return 4;
case GST_VIDEO_GL_TEXTURE_TYPE_RGB:
case GST_VIDEO_GL_TEXTURE_TYPE_RGB16:
case GL_RGB:
case GST_GL_RGB:
return 3;
case GST_VIDEO_GL_TEXTURE_TYPE_LUMINANCE_ALPHA:
case GST_VIDEO_GL_TEXTURE_TYPE_RG:
case GL_LUMINANCE_ALPHA:
case GL_RG:
case GST_GL_LUMINANCE_ALPHA:
case GST_GL_RG:
return 2;
case GST_VIDEO_GL_TEXTURE_TYPE_LUMINANCE:
case GST_VIDEO_GL_TEXTURE_TYPE_R:
case GL_LUMINANCE:
case GL_RED:
case GST_GL_LUMINANCE:
case GST_GL_RED:
return 1;
default:
return 0;
@ -153,20 +137,20 @@ gst_gl_format_from_gl_texture_type (GstVideoGLTextureType tex_format)
{
switch (tex_format) {
case GST_VIDEO_GL_TEXTURE_TYPE_LUMINANCE_ALPHA:
return GL_LUMINANCE_ALPHA;
return GST_GL_LUMINANCE_ALPHA;
case GST_VIDEO_GL_TEXTURE_TYPE_LUMINANCE:
return GL_LUMINANCE;
return GST_GL_LUMINANCE;
case GST_VIDEO_GL_TEXTURE_TYPE_RGBA:
return GL_RGBA;
return GST_GL_RGBA;
case GST_VIDEO_GL_TEXTURE_TYPE_RGB:
case GST_VIDEO_GL_TEXTURE_TYPE_RGB16:
return GL_RGB;
return GST_GL_RGB;
case GST_VIDEO_GL_TEXTURE_TYPE_RG:
return GL_RG;
return GST_GL_RG;
case GST_VIDEO_GL_TEXTURE_TYPE_R:
return GL_RED;
return GST_GL_RED;
default:
return GST_VIDEO_GL_TEXTURE_TYPE_RGBA;
return tex_format;
}
}
@ -273,51 +257,52 @@ gst_gl_sized_gl_format_from_gl_format_type (GstGLContext * context,
gst_gl_context_check_feature (context, "GL_EXT_texture_rg");
switch (format) {
case GL_RGBA:
case GST_GL_RGBA:
switch (type) {
case GL_UNSIGNED_BYTE:
return USING_GLES2 (context)
&& !USING_GLES3 (context) ? GL_RGBA : GL_RGBA8;
&& !USING_GLES3 (context) ? GST_GL_RGBA : GST_GL_RGBA8;
break;
}
break;
case GL_RGB:
case GST_GL_RGB:
switch (type) {
case GL_UNSIGNED_BYTE:
return GL_RGB8;
return GST_GL_RGB8;
break;
case GL_UNSIGNED_SHORT_5_6_5:
return GL_RGB;
return GST_GL_RGB;
break;
}
break;
case GL_RG:
case GST_GL_RG:
switch (type) {
case GL_UNSIGNED_BYTE:
if (!USING_GLES3 (context) && USING_GLES2 (context) && ext_texture_rg)
return GL_RG;
return GL_RG8;
return GST_GL_RG;
return GST_GL_RG8;
break;
}
break;
case GL_RED:
case GST_GL_RED:
switch (type) {
case GL_UNSIGNED_BYTE:
if (!USING_GLES3 (context) && USING_GLES2 (context) && ext_texture_rg)
return GL_RED;
return GL_R8;
return GST_GL_RED;
return GST_GL_R8;
break;
}
break;
case GL_LUMINANCE:
return GL_LUMINANCE;
break;
case GL_LUMINANCE_ALPHA:
return GL_LUMINANCE_ALPHA;
break;
case GL_ALPHA:
return GL_ALPHA;
break;
case GST_GL_RGBA8:
case GST_GL_RGB8:
case GST_GL_RG8:
case GST_GL_R8:
case GST_GL_LUMINANCE:
case GST_GL_LUMINANCE_ALPHA:
case GST_GL_ALPHA:
case GST_GL_DEPTH_COMPONENT16:
case GST_GL_DEPTH24_STENCIL8:
return format;
default:
break;
}

27
gst-libs/gst/gl/gstglformat.h
View file

@ -70,6 +70,33 @@
G_BEGIN_DECLS
typedef enum
{
/* values taken from the GL headers */
GST_GL_LUMINANCE = 0x1909,
GST_GL_ALPHA = 0x1906,
GST_GL_LUMINANCE_ALPHA = 0x190A,
GST_GL_RED = 0x1903,
GST_GL_R8 = 0x8229,
GST_GL_RG = 0x8227,
GST_GL_RG8 = 0x822B,
GST_GL_RGB = 0x1907,
GST_GL_RGB8 = 0x8051,
GST_GL_RGB565 = 0x8D62,
GST_GL_RGBA = 0x1908,
GST_GL_RGBA8 = 0x8058,
GST_GL_DEPTH_COMPONENT16 = 0x81A5,
GST_GL_DEPTH24_STENCIL8 = 0x88F0,
} GstGLFormat;
guint gst_gl_format_type_n_bytes (guint format,
guint type);
guint gst_gl_texture_type_n_bytes (GstVideoGLTextureType tex_format);