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This commit is contained in:
Luke Benstead 2018-09-20 15:10:08 +01:00
parent 741707ac85
commit 8670fd459c
1 changed files with 13 additions and 0 deletions
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13
GL/texture.c
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@ -473,6 +473,15 @@ static void _rgba8888_to_rgba8888(const GLubyte* source, GLushort* dest) {
dst[3] = source[3];
}
static void _rgb888_to_rgba8888(const GLubyte* source, GLushort* dest) {
/* Noop */
GLubyte* dst = (GLubyte*) dest;
dst[0] = source[0];
dst[1] = source[1];
dst[2] = source[2];
dst[3] = 255;
}
static void _rgb888_to_rgb565(const GLubyte* source, GLushort* dest) {
*dest = ((source[0] & 0b11111000) << 8) | ((source[1] & 0b11111100) << 3) | (source[2] >> 3);
}
@ -538,6 +547,10 @@ static TextureConversionFunc _determineConversion(GLint internalFormat, GLenum f
return _rgba8888_to_rgba8888;
} else if (type == GL_BYTE && format == GL_RGBA) {
return _rgba8888_to_rgba8888;
} else if(type == GL_UNSIGNED_BYTE && format == GL_RGB) {
return _rgb888_to_rgba8888;
} else if (type == GL_BYTE && format == GL_RGB) {
return _rgb888_to_rgba8888;
} else if(type == GL_UNSIGNED_SHORT_4_4_4_4 && format == GL_RGBA) {
return _rgba4444_to_rgba8888;
}