diff options
author | Zack Rusin <zackr@vmware.com> | 2009-12-07 18:13:57 -0500 |
---|---|---|
committer | Zack Rusin <zackr@vmware.com> | 2009-12-07 18:13:57 -0500 |
commit | 45412c2343a3ed1de388aca6a5ae25c49918c9bc (patch) | |
tree | 44303c67e10949cad86ed1bf1fe818c397288e7b /src/gallium/drivers/svga/svga_screen_texture.h | |
parent | 9b5f260756356a73984d60c907c525b8a2f8cf94 (diff) | |
parent | cad14c2542698de144bb5434cefa02d7a00aaa74 (diff) |
Merge remote branch 'origin/master' into arb_geometry_shader4arb_geometry_shader4
Conflicts:
src/gallium/auxiliary/tgsi/tgsi_exec.c
src/mesa/glapi/glapitemp.h
src/mesa/glapi/glprocs.h
src/mesa/main/enums.c
src/mesa/main/remap_helper.h
src/mesa/state_tracker/st_atom_shader.c
src/mesa/state_tracker/st_program.c
src/mesa/state_tracker/st_program.h
Diffstat (limited to 'src/gallium/drivers/svga/svga_screen_texture.h')
-rw-r--r-- | src/gallium/drivers/svga/svga_screen_texture.h | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/src/gallium/drivers/svga/svga_screen_texture.h b/src/gallium/drivers/svga/svga_screen_texture.h new file mode 100644 index 0000000000..1e6fef59a3 --- /dev/null +++ b/src/gallium/drivers/svga/svga_screen_texture.h @@ -0,0 +1,177 @@ +/********************************************************** + * Copyright 2008-2009 VMware, Inc. All rights reserved. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + **********************************************************/ + +#ifndef SVGA_TEXTURE_H +#define SVGA_TEXTURE_H + + +#include "pipe/p_compiler.h" +#include "pipe/p_state.h" + + +struct pipe_context; +struct pipe_screen; +struct svga_context; +struct svga_winsys_surface; +enum SVGA3dSurfaceFormat; + + +#define SVGA_MAX_TEXTURE_LEVELS 12 /* 2048x2048 */ + + +/** + * A sampler's view into a texture + * + * We currently cache one sampler view on + * the texture and in there by holding a reference + * from the texture to the sampler view. + * + * Because of this we can not hold a refernce to the + * texture from the sampler view. So the user + * of the sampler views must make sure that the + * texture has a reference take for as long as + * the sampler view is refrenced. + * + * Just unreferencing the sampler_view before the + * texture is enough. + */ +struct svga_sampler_view +{ + struct pipe_reference reference; + + struct svga_texture *texture; + + int min_lod; + int max_lod; + + unsigned age; + + struct svga_winsys_surface *handle; +}; + + +struct svga_texture +{ + struct pipe_texture base; + + struct svga_winsys_surface *handle; + + boolean defined[6][PIPE_MAX_TEXTURE_LEVELS]; + + struct svga_sampler_view *cached_view; + + unsigned view_age[SVGA_MAX_TEXTURE_LEVELS]; + unsigned age; + + boolean views_modified; +}; + + +struct svga_surface +{ + struct pipe_surface base; + + struct svga_winsys_surface *handle; + + unsigned real_face; + unsigned real_level; + unsigned real_zslice; + + boolean dirty; +}; + + +struct svga_transfer +{ + struct pipe_transfer base; + + struct svga_winsys_buffer *hwbuf; + + /* Height of the hardware buffer in pixel blocks */ + unsigned hw_nblocksy; + + /* Temporary malloc buffer when we can't allocate a hardware buffer + * big enough */ + void *swbuf; +}; + + +static INLINE struct svga_texture * +svga_texture(struct pipe_texture *texture) +{ + return (struct svga_texture *)texture; +} + +static INLINE struct svga_surface * +svga_surface(struct pipe_surface *surface) +{ + assert(surface); + return (struct svga_surface *)surface; +} + +static INLINE struct svga_transfer * +svga_transfer(struct pipe_transfer *transfer) +{ + assert(transfer); + return (struct svga_transfer *)transfer; +} + +extern struct svga_sampler_view * +svga_get_tex_sampler_view(struct pipe_context *pipe, + struct pipe_texture *pt, + unsigned min_lod, unsigned max_lod); + +void +svga_validate_sampler_view(struct svga_context *svga, struct svga_sampler_view *v); + +void +svga_destroy_sampler_view_priv(struct svga_sampler_view *v); + +static INLINE void +svga_sampler_view_reference(struct svga_sampler_view **ptr, struct svga_sampler_view *v) +{ + struct svga_sampler_view *old = *ptr; + + if (pipe_reference((struct pipe_reference **)ptr, &v->reference)) + svga_destroy_sampler_view_priv(old); +} + +extern void +svga_propagate_surface(struct pipe_context *pipe, struct pipe_surface *surf); + +extern boolean +svga_surface_needs_propagation(struct pipe_surface *surf); + +extern void +svga_screen_init_texture_functions(struct pipe_screen *screen); + +enum SVGA3dSurfaceFormat +svga_translate_format(enum pipe_format format); + +enum SVGA3dSurfaceFormat +svga_translate_format_render(enum pipe_format format); + + +#endif /* SVGA_TEXTURE_H */ |