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i915: update to new display target allocation

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This commit is contained in:
Keith Whitwell
2008-05-02 16:56:06 +01:00
parent a73ae3d5eb
commit 5cb29dae06
1 changed files with 75 additions and 16 deletions
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91
src/gallium/drivers/i915simple/i915_texture.c
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@@ -105,6 +105,50 @@ i915_miptree_set_image_offset(struct i915_texture *tex,
}
/* Hack it up to use the old winsys->surface_alloc_storage()
* method for now:
*/
static boolean
i915_displaytarget_layout(struct pipe_screen *screen,
struct i915_texture *tex)
{
struct pipe_winsys *ws = screen->winsys;
struct pipe_surface surf;
unsigned flags = (PIPE_BUFFER_USAGE_CPU_READ |
PIPE_BUFFER_USAGE_CPU_WRITE |
PIPE_BUFFER_USAGE_GPU_READ |
PIPE_BUFFER_USAGE_GPU_WRITE);
memset(&surf, 0, sizeof(surf));
ws->surface_alloc_storage( ws,
&surf,
tex->base.width[0],
tex->base.height[0],
tex->base.format,
flags);
/* Now extract the goodies:
*/
i915_miptree_set_image_offset( tex, 0, 0, 0, 0 );
i915_miptree_set_level_info( tex, 0, 0, 0, 0,
tex->base.width[0],
tex->base.height[0],
1 );
tex->buffer = surf.buffer;
tex->pitch = surf.pitch;
tex->total_height = 0;
return tex->buffer != NULL;
}
static void
i945_miptree_layout_2d( struct i915_texture *tex )
{
@@ -483,30 +527,45 @@ static struct pipe_texture *
i915_texture_create_screen(struct pipe_screen *screen,
const struct pipe_texture *templat)
{
struct i915_screen *i915screen = i915_screen(screen);
struct pipe_winsys *ws = screen->winsys;
struct i915_texture *tex = CALLOC_STRUCT(i915_texture);
if (tex) {
struct i915_screen *i915screen = i915_screen(screen);
struct pipe_winsys *ws = screen->winsys;
if (!tex)
return NULL;
tex->base = *templat;
tex->base.refcount = 1;
tex->base.screen = screen;
tex->base = *templat;
tex->base.refcount = 1;
tex->base.screen = screen;
if (i915screen->is_i945 ? i945_miptree_layout(tex) :
i915_miptree_layout(tex))
tex->buffer = ws->buffer_create(ws, 64,
PIPE_BUFFER_USAGE_PIXEL,
tex->pitch * tex->base.cpp *
tex->total_height);
if (!tex->buffer) {
FREE(tex);
return NULL;
if (tex->base.tex_usage & PIPE_TEXTURE_USAGE_DISPLAY_TARGET) {
if (!i915_displaytarget_layout(screen, tex))
goto fail;
}
else {
if (i915screen->is_i945) {
if (!i945_miptree_layout(tex))
goto fail;
}
else {
if (!i915_miptree_layout(tex))
goto fail;
}
tex->buffer = ws->buffer_create(ws, 64,
PIPE_BUFFER_USAGE_PIXEL,
tex->pitch * tex->base.cpp *
tex->total_height);
if (!tex->buffer)
goto fail;
}
return &tex->base;
fail:
FREE(tex);
return NULL;
}