/**
* Make sure we have texture image data for all the textures we may need
* for subsequent rendering.
*/
static void
_swrast_validate_texture_images(GLcontext *ctx)
{
SWcontext *swrast = SWRAST_CONTEXT(ctx);
GLuint u;
if (!swrast->ValidateTextureImage || !ctx->Texture._EnabledUnits) {
/* no textures enabled, or no way to validate images! */
return;
}
for (u = 0; u < ctx->Const.MaxTextureImageUnits; u++) {
if (ctx->Texture.Unit[u]._ReallyEnabled) {
struct gl_texture_object *texObj = ctx->Texture.Unit[u]._Current;
ASSERT(texObj);
if (texObj) {
GLuint numFaces = (texObj->Target == GL_TEXTURE_CUBE_MAP) ? 6 : 1;
GLuint face;
for (face = 0; face < numFaces; face++) {
GLint lvl;
for (lvl = texObj->BaseLevel; lvl <= texObj->_MaxLevel; lvl++) {
struct gl_texture_image *texImg = texObj->Image[face][lvl];
if (texImg && !texImg->Data) {
swrast->ValidateTextureImage(ctx, texObj, face, lvl);
ASSERT(texObj->Image[face][lvl]->Data);
}
}
}
}
}
}
}
