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lavd/opengl_enc: add gray8/16 formats 

Signed-off-by: Lukasz Marek <lukasz.m.luki@gmail.com>
This commit is contained in:
Lukasz Marek 2014-02-08 03:39:34 +01:00
parent c107769c68
commit db403023c0
2 changed files with 14 additions and 0 deletions
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2
libavdevice/opengl_enc.c
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@ -265,6 +265,8 @@ static const struct OpenGLFormatDesc {
{ AV_PIX_FMT_GBRP16, &FF_OPENGL_FRAGMENT_SHADER_RGB_PLANAR, FF_GL_RED_COMPONENT, GL_UNSIGNED_SHORT },
{ AV_PIX_FMT_GBRAP, &FF_OPENGL_FRAGMENT_SHADER_RGBA_PLANAR, FF_GL_RED_COMPONENT, GL_UNSIGNED_BYTE },
{ AV_PIX_FMT_GBRAP16, &FF_OPENGL_FRAGMENT_SHADER_RGBA_PLANAR, FF_GL_RED_COMPONENT, GL_UNSIGNED_SHORT },
{ AV_PIX_FMT_GRAY8, &FF_OPENGL_FRAGMENT_SHADER_GRAY, FF_GL_RED_COMPONENT, GL_UNSIGNED_BYTE },
{ AV_PIX_FMT_GRAY16, &FF_OPENGL_FRAGMENT_SHADER_GRAY, FF_GL_RED_COMPONENT, GL_UNSIGNED_SHORT },
{ AV_PIX_FMT_NONE, NULL }
};

12
libavdevice/opengl_enc_shaders.h
View File

@ -173,4 +173,16 @@ static const char * const FF_OPENGL_FRAGMENT_SHADER_YUVA_PLANAR =
"1.5958, -0.81290, 0.0) * yuv, texture2D(u_texture3, texture_coordinate).r), 0.0, 1.0);"
"}";
static const char * const FF_OPENGL_FRAGMENT_SHADER_GRAY =
#if defined(GL_ES_VERSION_2_0)
"precision mediump float;"
#endif
"uniform sampler2D u_texture0;"
"varying vec2 texture_coordinate;"
"void main()"
"{"
"float c = texture2D(u_texture0, texture_coordinate);"
"gl_FragColor = vec4(c, c, c, 1.0);"
"}";
#endif /* AVDEVICE_OPENGL_SHADERS_H */