diff options
| -rw-r--r-- | src/gallium/drivers/i915simple/i915_texture.c | 62 |
1 files changed, 33 insertions, 29 deletions
diff --git a/src/gallium/drivers/i915simple/i915_texture.c b/src/gallium/drivers/i915simple/i915_texture.c index 935bc742b1..b216e3bfb9 100644 --- a/src/gallium/drivers/i915simple/i915_texture.c +++ b/src/gallium/drivers/i915simple/i915_texture.c @@ -104,48 +104,49 @@ i915_miptree_set_image_offset(struct i915_texture *tex, */ } -#if 0 -/* Hack it up to use the old winsys->surface_alloc_storage() - * method for now: +static unsigned +power_of_two(unsigned x) +{ + int value = 1; + while (value <= x) + value = value << 1; + return value; +} + +static unsigned +round_up(unsigned n, unsigned multiple) +{ + return (n + multiple - 1) & ~(multiple - 1); +} + +/** + * Special case to deal with display targets. */ 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); - + struct pipe_texture *pt = &tex->base; - memset(&surf, 0, sizeof(surf)); + if (pt->last_level > 1 || pt->cpp != 4) + return 0; - ws->surface_alloc_storage( ws, - &surf, - tex->base.width[0], - tex->base.height[0], - tex->base.format, - flags, - tex->base.tex_usage); - - /* Now extract the goodies: - */ i915_miptree_set_level_info( tex, 0, 1, 0, 0, tex->base.width[0], tex->base.height[0], 1 ); i915_miptree_set_image_offset( tex, 0, 0, 0, 0 ); - tex->buffer = surf.buffer; - tex->pitch = surf.pitch; - tex->total_height = 0; - +#if 0 + tex->pitch = MAX2(512, power_of_two(tex->base.width[0] * pt->cpp)) / pt->cpp; + tex->total_height = round_up(tex->base.height[0], 8); +#else + tex->pitch = round_up(tex->base.width[0], 64 / pt->cpp); + tex->total_height = tex->base.height[0]; +#endif - return tex->buffer != NULL; + return 1; } -#endif static void i945_miptree_layout_2d( struct i915_texture *tex ) @@ -529,14 +530,17 @@ i915_texture_create(struct pipe_screen *screen, struct pipe_winsys *ws = screen->winsys; struct i915_texture *tex = CALLOC_STRUCT(i915_texture); - if (!tex) + if (!tex) return NULL; tex->base = *templat; tex->base.refcount = 1; tex->base.screen = screen; - if (i915screen->is_i945) { + 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 { |