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Added support for Android video textures

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This commit is contained in:
Sam Lantinga 2017-12-12 12:52:17 -08:00
parent bed7fd8066
commit e8bbbb37f1
4 changed files with 69 additions and 5 deletions
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31
src/render/opengles2/SDL_shaders_gles2.c
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@ -275,6 +275,21 @@ static const Uint8 GLES2_FragmentSrc_TextureNV21BT709Src_[] = \
NV21_SHADER_BODY \
;
/* Custom Android video format texture */
static const Uint8 GLES2_FragmentSrc_TextureExternalOESSrc_[] = " \
#extension GL_OES_EGL_image_external : require\n\
precision mediump float; \
uniform samplerExternalOES u_texture; \
uniform vec4 u_modulation; \
varying vec2 v_texCoord; \
\
void main() \
{ \
gl_FragColor = texture2D(u_texture, v_texCoord); \
gl_FragColor *= u_modulation; \
} \
";
static const GLES2_ShaderInstance GLES2_VertexSrc_Default = {
GL_VERTEX_SHADER,
GLES2_SOURCE_SHADER,
@ -380,6 +395,13 @@ static const GLES2_ShaderInstance GLES2_FragmentSrc_TextureNV12BT709Src = {
GLES2_FragmentSrc_TextureNV12BT709Src_
};
static const GLES2_ShaderInstance GLES2_FragmentSrc_TextureExternalOESSrc = {
GL_FRAGMENT_SHADER,
GLES2_SOURCE_SHADER,
sizeof(GLES2_FragmentSrc_TextureExternalOESSrc_),
GLES2_FragmentSrc_TextureExternalOESSrc_
};
/*************************************************************************************************
* Vertex/fragment shader definitions *
@ -490,6 +512,13 @@ static GLES2_Shader GLES2_FragmentShader_TextureNV21BT709Src = {
}
};
static GLES2_Shader GLES2_FragmentShader_TextureExternalOESSrc = {
1,
{
&GLES2_FragmentSrc_TextureExternalOESSrc
}
};
/*************************************************************************************************
* Shader selector *
@ -528,6 +557,8 @@ const GLES2_Shader *GLES2_GetShader(GLES2_ShaderType type)
return &GLES2_FragmentShader_TextureNV21BT601Src;
case GLES2_SHADER_FRAGMENT_TEXTURE_NV21_BT709_SRC:
return &GLES2_FragmentShader_TextureNV21BT709Src;
case GLES2_SHADER_FRAGMENT_TEXTURE_EXTERNAL_OES_SRC:
return &GLES2_FragmentShader_TextureExternalOESSrc;
default:
return NULL;
}