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Handle GL_RED -> GL_RED

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This commit is contained in:
Luke Benstead 2018-08-14 15:55:03 +01:00
parent 021237f258
commit 7d1b57fb12
1 changed files with 8 additions and 2 deletions
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10
GL/texture.c
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@ -270,7 +270,7 @@ void APIENTRY glCompressedTexImage2DARB(GLenum target,
GLint h = height; GLint h = height;
if(h < 8 || (h & -h) != h) { if(h < 8 || (h & -h) != h) {
/* Width is not a power of two. Must be!*/ /* Height is not a power of two. Must be!*/
_glKosThrowError(GL_INVALID_VALUE, "glTexImage2D"); _glKosThrowError(GL_INVALID_VALUE, "glTexImage2D");
} }
@ -501,6 +501,12 @@ static TextureConversionFunc _determineConversion(GLint internalFormat, GLenum f
return _rgba8888_to_a000; return _rgba8888_to_a000;
} }
} break; } break;
case GL_RED: {
if(type == GL_UNSIGNED_BYTE && format == GL_RED) {
/* Dreamcast doesn't really support GL_RED internally, so store as rgb */
return _r8_to_rgb565;
}
} break;
case GL_RGB: { case GL_RGB: {
if(type == GL_UNSIGNED_BYTE && format == GL_RGB) { if(type == GL_UNSIGNED_BYTE && format == GL_RGB) {
return _rgb888_to_rgb565; return _rgb888_to_rgb565;
@ -520,7 +526,7 @@ static TextureConversionFunc _determineConversion(GLint internalFormat, GLenum f
} }
} break; } break;
default: default:
fprintf(stderr, "Unsupported conversion: %d -> %d, %d", internalFormat, format, type); fprintf(stderr, "Unsupported conversion: %x -> %x, %x\n", internalFormat, format, type);
break; break;
} }
return 0; return 0;