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Added NV12 and NV21 texture support for OpenGL and OpenGL ES 2.0 renderers

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This commit is contained in:
Sam Lantinga 2014-08-06 11:34:54 -07:00
parent 298925e01f
commit c7790bdb2b
12 changed files with 456 additions and 183 deletions
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10
test/testautomation_pixels.c
View file

@ -79,14 +79,16 @@ char* _RGBPixelFormatsVerbose[] =
};
/* Definition of all Non-RGB formats used to test pixel conversions */
const int _numNonRGBPixelFormats = 5;
const int _numNonRGBPixelFormats = 7;
Uint32 _nonRGBPixelFormats[] =
{
SDL_PIXELFORMAT_YV12,
SDL_PIXELFORMAT_IYUV,
SDL_PIXELFORMAT_YUY2,
SDL_PIXELFORMAT_UYVY,
SDL_PIXELFORMAT_YVYU
SDL_PIXELFORMAT_YVYU,
SDL_PIXELFORMAT_NV12,
SDL_PIXELFORMAT_NV21
};
char* _nonRGBPixelFormatsVerbose[] =
{
@ -94,7 +96,9 @@ char* _nonRGBPixelFormatsVerbose[] =
"SDL_PIXELFORMAT_IYUV",
"SDL_PIXELFORMAT_YUY2",
"SDL_PIXELFORMAT_UYVY",
"SDL_PIXELFORMAT_YVYU"
"SDL_PIXELFORMAT_YVYU",
"SDL_PIXELFORMAT_NV12",
"SDL_PIXELFORMAT_NV21"
};
/* Definition of some invalid formats for negative tests */

39
test/testoverlay2.c
View file

@ -206,6 +206,29 @@ ConvertRGBtoYV12(Uint8 *rgb, Uint8 *out, int w, int h,
}
}
void
ConvertRGBtoNV12(Uint8 *rgb, Uint8 *out, int w, int h,
int monochrome, int luminance)
{
int x, y;
int yuv[3];
Uint8 *op[2];
op[0] = out;
op[1] = op[0] + w*h;
for (y = 0; y < h; ++y) {
for (x = 0; x < w; ++x) {
RGBtoYUV(rgb, yuv, monochrome, luminance);
*(op[0]++) = yuv[0];
if (x % 2 == 0 && y % 2 == 0) {
*(op[1]++) = yuv[1];
*(op[1]++) = yuv[2];
}
rgb += 3;
}
}
}
static void
PrintUsage(char *argv0)
{
@ -241,7 +264,11 @@ main(int argc, char **argv)
int fps = 12;
int fpsdelay;
int nodelay = 0;
#ifdef TEST_NV12
Uint32 pixel_format = SDL_PIXELFORMAT_NV12;
#else
Uint32 pixel_format = SDL_PIXELFORMAT_YV12;
#endif
int scale = 5;
SDL_bool done = SDL_FALSE;
@ -371,7 +398,17 @@ main(int argc, char **argv)
rgb[2] = MooseColors[frame[j]].b;
rgb += 3;
}
ConvertRGBtoYV12(MooseFrameRGB, MooseFrame[i], MOOSEPIC_W, MOOSEPIC_H, 0, 100);
switch (pixel_format) {
case SDL_PIXELFORMAT_YV12:
ConvertRGBtoYV12(MooseFrameRGB, MooseFrame[i], MOOSEPIC_W, MOOSEPIC_H, 0, 100);
break;
case SDL_PIXELFORMAT_NV12:
ConvertRGBtoNV12(MooseFrameRGB, MooseFrame[i], MOOSEPIC_W, MOOSEPIC_H, 0, 100);
break;
default:
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Unsupported pixel format\n");
break;
}
}
free(RawMooseData);