/**
* Called via ctx->Driver.Finish()
*/
static void st_glFinish(struct gl_context *ctx)
{
struct st_context *st = st_context(ctx);
st_finish(st);
if (is_front_buffer_dirty(st)) {
display_front_buffer(st);
}
}
void
nouveau_context_destroy(__DRIcontextPrivate *driContextPriv)
{
struct nouveau_context *nv = driContextPriv->driverPrivate;
assert(nv);
st_finish(nv->st);
st_destroy_context(nv->st);
FREE(nv);
}
/**
* Called via ctx->Driver.AllocTextureImageBuffer().
* If the texture object/buffer already has space for the indicated image,
* we're done. Otherwise, allocate memory for the new texture image.
*/
static GLboolean
st_AllocTextureImageBuffer(struct gl_context *ctx,
struct gl_texture_image *texImage)
{
struct st_context *st = st_context(ctx);
struct st_texture_image *stImage = st_texture_image(texImage);
struct st_texture_object *stObj = st_texture_object(texImage->TexObject);
const GLuint level = texImage->Level;
GLuint width = texImage->Width;
GLuint height = texImage->Height;
GLuint depth = texImage->Depth;
DBG("%s\n", __FUNCTION__);
assert(!stImage->TexData);
assert(!stImage->pt); /* xxx this might be wrong */
/* Look if the parent texture object has space for this image */
if (stObj->pt &&
level <= stObj->pt->last_level &&
st_texture_match_image(stObj->pt, texImage)) {
/* this image will fit in the existing texture object's memory */
pipe_resource_reference(&stImage->pt, stObj->pt);
return GL_TRUE;
}
/* The parent texture object does not have space for this image */
pipe_resource_reference(&stObj->pt, NULL);
pipe_sampler_view_release(st->pipe, &stObj->sampler_view);
if (!guess_and_alloc_texture(st, stObj, stImage)) {
/* Probably out of memory.
* Try flushing any pending rendering, then retry.
*/
st_finish(st);
if (!guess_and_alloc_texture(st, stObj, stImage)) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage");
return GL_FALSE;
}
}
if (stObj->pt &&
st_texture_match_image(stObj->pt, texImage)) {
/* The image will live in the object's mipmap memory */
pipe_resource_reference(&stImage->pt, stObj->pt);
assert(stImage->pt);
return GL_TRUE;
}
else {
/* Create a new, temporary texture/resource/buffer to hold this
* one texture image. Note that when we later access this image
* (either for mapping or copying) we'll want to always specify
* mipmap level=0, even if the image represents some other mipmap
* level.
*/
enum pipe_format format =
st_mesa_format_to_pipe_format(texImage->TexFormat);
GLuint bindings = default_bindings(st, format);
GLuint ptWidth, ptHeight, ptDepth, ptLayers;
st_gl_texture_dims_to_pipe_dims(stObj->base.Target,
width, height, depth,
&ptWidth, &ptHeight, &ptDepth, &ptLayers);
stImage->pt = st_texture_create(st,
gl_target_to_pipe(stObj->base.Target),
format,
0, /* lastLevel */
ptWidth,
ptHeight,
ptDepth,
ptLayers,
bindings);
return stImage->pt != NULL;
}
}
