diff options
| -rw-r--r-- | src/gallium/drivers/i915simple/i915_texture.c | 91 |
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; } |