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-rw-r--r--src/gallium/drivers/i915simple/i915_texture.c91
1 files changed, 75 insertions, 16 deletions
diff --git a/src/gallium/drivers/i915simple/i915_texture.c b/src/gallium/drivers/i915simple/i915_texture.c
index 7b9359a0fe..f668e2e7d7 100644
--- a/src/gallium/drivers/i915simple/i915_texture.c
+++ b/src/gallium/drivers/i915simple/i915_texture.c
@@ -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;
-
- tex->base = *templat;
- tex->base.refcount = 1;
- tex->base.screen = screen;
+ if (!tex)
+ return NULL;
- 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);
+ tex->base = *templat;
+ tex->base.refcount = 1;
+ tex->base.screen = screen;
- 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;
}