diff options
Diffstat (limited to 'src/gallium/drivers/i915simple/i915_texture.c')
| -rw-r--r-- | src/gallium/drivers/i915simple/i915_texture.c | 154 |
1 files changed, 85 insertions, 69 deletions
diff --git a/src/gallium/drivers/i915simple/i915_texture.c b/src/gallium/drivers/i915simple/i915_texture.c index 3e23e540f9..4c0c7ce3f3 100644 --- a/src/gallium/drivers/i915simple/i915_texture.c +++ b/src/gallium/drivers/i915simple/i915_texture.c @@ -104,52 +104,50 @@ i915_miptree_set_image_offset(struct i915_texture *tex, */ } +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); +} -/* Hack it up to use the old winsys->surface_alloc_storage() - * method for now: +/** + * 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); - - - memset(&surf, 0, sizeof(surf)); - - 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_image_offset( tex, 0, 0, 0, 0 ); - i915_miptree_set_level_info( tex, 0, 0, 0, 0, + struct pipe_texture *pt = &tex->base; + + if (pt->last_level > 0 || pt->cpp != 4) + return 0; + + 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; } - - - - static void i945_miptree_layout_2d( struct i915_texture *tex ) { @@ -179,7 +177,7 @@ i945_miptree_layout_2d( struct i915_texture *tex ) /* Pitch must be a whole number of dwords, even though we * express it in texels. */ - tex->pitch = align_int(tex->pitch * pt->cpp, 4) / pt->cpp; + tex->pitch = align_int(tex->pitch * pt->cpp, 64) / pt->cpp; tex->total_height = 0; for (level = 0; level <= pt->last_level; level++) { @@ -525,54 +523,47 @@ i945_miptree_layout(struct i915_texture * tex) static struct pipe_texture * -i915_texture_create_screen(struct pipe_screen *screen, - const struct pipe_texture *templat) +i915_texture_create(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) + if (!tex) return NULL; tex->base = *templat; tex->base.refcount = 1; tex->base.screen = screen; - 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; + 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: +fail: FREE(tex); return NULL; } static void -i915_texture_release_screen(struct pipe_screen *screen, - struct pipe_texture **pt) +i915_texture_release(struct pipe_screen *screen, + struct pipe_texture **pt) { if (!*pt) return; @@ -606,10 +597,10 @@ i915_texture_release_screen(struct pipe_screen *screen, * XXX note: same as code in sp_surface.c */ static struct pipe_surface * -i915_get_tex_surface_screen(struct pipe_screen *screen, - struct pipe_texture *pt, - unsigned face, unsigned level, unsigned zslice, - unsigned flags) +i915_get_tex_surface(struct pipe_screen *screen, + struct pipe_texture *pt, + unsigned face, unsigned level, unsigned zslice, + unsigned flags) { struct i915_texture *tex = (struct i915_texture *)pt; struct pipe_winsys *ws = screen->winsys; @@ -629,10 +620,11 @@ i915_get_tex_surface_screen(struct pipe_screen *screen, assert(zslice == 0); } - ps = ws->surface_alloc(ws); + ps = CALLOC_STRUCT(pipe_surface);//ws->surface_alloc(ws); if (ps) { assert(ps->refcount); assert(ps->winsys); + pipe_texture_reference(&ps->texture, pt); pipe_buffer_reference(ws, &ps->buffer, tex->buffer); ps->format = pt->format; ps->cpp = pt->cpp; @@ -652,11 +644,35 @@ i915_init_texture_functions(struct i915_context *i915) // i915->pipe.texture_update = i915_texture_update; } +static void +i915_tex_surface_release(struct pipe_screen *screen, + struct pipe_surface **surface) +{ + struct pipe_surface *surf = *surface; + + if (--surf->refcount == 0) { + + /* This really should not be possible, but it's actually + * happening quite a bit... Will fix. + */ + if (surf->status == PIPE_SURFACE_STATUS_CLEAR) { + debug_printf("XXX destroying a surface with pending clears...\n"); + assert(0); + } + + pipe_texture_reference(&surf->texture, NULL); + pipe_buffer_reference(screen->winsys, &surf->buffer, NULL); + FREE(surf); + } + + *surface = NULL; +} void i915_init_screen_texture_functions(struct pipe_screen *screen) { - screen->texture_create = i915_texture_create_screen; - screen->texture_release = i915_texture_release_screen; - screen->get_tex_surface = i915_get_tex_surface_screen; + screen->texture_create = i915_texture_create; + screen->texture_release = i915_texture_release; + screen->get_tex_surface = i915_get_tex_surface; + screen->tex_surface_release = i915_tex_surface_release; } |