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Fix a number of minor issues with textures

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This commit is contained in:
Luke Benstead 2018-08-13 09:18:59 +01:00
parent ea755b1650
commit dca991ffe3
1 changed files with 18 additions and 5 deletions
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23
GL/texture.c
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@ -23,6 +23,7 @@ static GLint _determineStride(GLenum format, GLenum type) {
return (format == GL_RED) ? 1 : (format == GL_RGB) ? 3 : 4;
case GL_UNSIGNED_SHORT:
return (format == GL_RED) ? 2 : (format == GL_RGB) ? 6 : 8;
case GL_UNSIGNED_SHORT_5_6_5:
case GL_UNSIGNED_SHORT_5_6_5_REV:
case GL_UNSIGNED_SHORT_5_6_5_TWID_KOS:
case GL_UNSIGNED_SHORT_5_5_5_1:
@ -251,8 +252,21 @@ void APIENTRY glCompressedTexImage2DARB(GLenum target,
const GLvoid *data) {
TRACE();
if(target != GL_TEXTURE_2D)
if(target != GL_TEXTURE_2D) {
_glKosThrowError(GL_INVALID_ENUM, __func__);
}
GLint w = width;
if(w < 8 || (w & -w) != w) {
/* Width is not a power of two. Must be!*/
_glKosThrowError(GL_INVALID_VALUE, "glTexImage2D");
}
GLint h = height;
if(h < 8 || (h & -h) != h) {
/* Width is not a power of two. Must be!*/
_glKosThrowError(GL_INVALID_VALUE, "glTexImage2D");
}
if(level || border) {
/* We don't support setting mipmap levels manually with compressed textures
@ -558,19 +572,18 @@ void APIENTRY glTexImage2D(GLenum target, GLint level, GLint internalFormat,
}
GLint w = width;
if(w == 0 || (w & -w) != w) {
if(w < 8 || (w & -w) != w) {
/* Width is not a power of two. Must be!*/
_glKosThrowError(GL_INVALID_VALUE, "glTexImage2D");
}
GLint h = height;
if(h == 0 || (h & -h) != h) {
if(h < 8 || (h & -h) != h) {
/* height is not a power of two. Must be!*/
_glKosThrowError(GL_INVALID_VALUE, "glTexImage2D");
}
/* FIXME: Mipmaps! */
if(level < 0 || level > 0) {
if(level < 0) {
_glKosThrowError(GL_INVALID_VALUE, "glTexImage2D");
}