1 /**************************************************************************
3 * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
28 #include "i915_surface.h"
29 #include "i915_resource.h"
30 #include "i915_state.h"
31 #include "i915_blit.h"
33 #include "i915_screen.h"
34 #include "pipe/p_defines.h"
35 #include "util/u_inlines.h"
36 #include "util/u_math.h"
37 #include "util/u_format.h"
38 #include "util/u_memory.h"
39 #include "util/u_pack_color.h"
40 #include "util/u_surface.h"
43 * surface functions using the render engine
47 i915_util_blitter_save_states(struct i915_context
*i915
)
49 util_blitter_save_blend(i915
->blitter
, (void *)i915
->blend
);
50 util_blitter_save_depth_stencil_alpha(i915
->blitter
, (void *)i915
->depth_stencil
);
51 util_blitter_save_stencil_ref(i915
->blitter
, &i915
->stencil_ref
);
52 util_blitter_save_rasterizer(i915
->blitter
, (void *)i915
->rasterizer
);
53 util_blitter_save_fragment_shader(i915
->blitter
, i915
->fs
);
54 util_blitter_save_vertex_shader(i915
->blitter
, i915
->vs
);
55 util_blitter_save_viewport(i915
->blitter
, &i915
->viewport
);
56 util_blitter_save_scissor(i915
->blitter
, &i915
->scissor
);
57 util_blitter_save_vertex_elements(i915
->blitter
, i915
->velems
);
58 util_blitter_save_vertex_buffer_slot(i915
->blitter
,
59 i915
->vertex_buffers
);
61 util_blitter_save_framebuffer(i915
->blitter
, &i915
->framebuffer
);
63 util_blitter_save_fragment_sampler_states(i915
->blitter
,
65 (void**)i915
->sampler
);
66 util_blitter_save_fragment_sampler_views(i915
->blitter
,
67 i915
->num_fragment_sampler_views
,
68 i915
->fragment_sampler_views
);
72 i915_surface_copy_render(struct pipe_context
*pipe
,
73 struct pipe_resource
*dst
, unsigned dst_level
,
74 unsigned dstx
, unsigned dsty
, unsigned dstz
,
75 struct pipe_resource
*src
, unsigned src_level
,
76 const struct pipe_box
*src_box
)
78 struct i915_context
*i915
= i915_context(pipe
);
80 /* Fallback for buffers. */
81 if (dst
->target
== PIPE_BUFFER
&& src
->target
== PIPE_BUFFER
) {
82 util_resource_copy_region(pipe
, dst
, dst_level
, dstx
, dsty
, dstz
,
83 src
, src_level
, src_box
);
87 if (!util_blitter_is_copy_supported(i915
->blitter
, dst
, src
,
89 util_resource_copy_region(pipe
, dst
, dst_level
, dstx
, dsty
, dstz
,
90 src
, src_level
, src_box
);
94 i915_util_blitter_save_states(i915
);
96 util_blitter_copy_texture(i915
->blitter
, dst
, dst_level
, dstx
, dsty
, dstz
,
97 src
, src_level
, src_box
, PIPE_MASK_RGBAZS
, TRUE
);
101 i915_clear_render_target_render(struct pipe_context
*pipe
,
102 struct pipe_surface
*dst
,
103 const union pipe_color_union
*color
,
104 unsigned dstx
, unsigned dsty
,
105 unsigned width
, unsigned height
)
107 struct i915_context
*i915
= i915_context(pipe
);
108 struct pipe_framebuffer_state fb_state
;
110 util_blitter_save_framebuffer(i915
->blitter
, &i915
->framebuffer
);
112 fb_state
.width
= dst
->width
;
113 fb_state
.height
= dst
->height
;
114 fb_state
.nr_cbufs
= 1;
115 fb_state
.cbufs
[0] = dst
;
116 fb_state
.zsbuf
= NULL
;
117 pipe
->set_framebuffer_state(pipe
, &fb_state
);
120 i915_update_derived(i915
);
122 i915_clear_emit(pipe
, PIPE_CLEAR_COLOR
, color
, 0.0, 0x0,
123 dstx
, dsty
, width
, height
);
125 pipe
->set_framebuffer_state(pipe
, &i915
->blitter
->saved_fb_state
);
126 util_unreference_framebuffer_state(&i915
->blitter
->saved_fb_state
);
127 i915
->blitter
->saved_fb_state
.nr_cbufs
= ~0;
131 i915_clear_depth_stencil_render(struct pipe_context
*pipe
,
132 struct pipe_surface
*dst
,
133 unsigned clear_flags
,
136 unsigned dstx
, unsigned dsty
,
137 unsigned width
, unsigned height
)
139 struct i915_context
*i915
= i915_context(pipe
);
140 struct pipe_framebuffer_state fb_state
;
142 util_blitter_save_framebuffer(i915
->blitter
, &i915
->framebuffer
);
144 fb_state
.width
= dst
->width
;
145 fb_state
.height
= dst
->height
;
146 fb_state
.nr_cbufs
= 0;
147 fb_state
.zsbuf
= dst
;
148 pipe
->set_framebuffer_state(pipe
, &fb_state
);
151 i915_update_derived(i915
);
153 i915_clear_emit(pipe
, clear_flags
& PIPE_CLEAR_DEPTHSTENCIL
,
154 NULL
, depth
, stencil
,
155 dstx
, dsty
, width
, height
);
157 pipe
->set_framebuffer_state(pipe
, &i915
->blitter
->saved_fb_state
);
158 util_unreference_framebuffer_state(&i915
->blitter
->saved_fb_state
);
159 i915
->blitter
->saved_fb_state
.nr_cbufs
= ~0;
163 * surface functions using the blitter
166 /* Assumes all values are within bounds -- no checking at this level -
167 * do it higher up if required.
170 i915_surface_copy_blitter(struct pipe_context
*pipe
,
171 struct pipe_resource
*dst
, unsigned dst_level
,
172 unsigned dstx
, unsigned dsty
, unsigned dstz
,
173 struct pipe_resource
*src
, unsigned src_level
,
174 const struct pipe_box
*src_box
)
176 struct i915_texture
*dst_tex
= i915_texture(dst
);
177 struct i915_texture
*src_tex
= i915_texture(src
);
178 struct pipe_resource
*dpt
= &dst_tex
->b
.b
;
179 struct pipe_resource
*spt
= &src_tex
->b
.b
;
180 unsigned dst_offset
, src_offset
; /* in bytes */
182 /* Fallback for buffers. */
183 if (dst
->target
== PIPE_BUFFER
&& src
->target
== PIPE_BUFFER
) {
184 util_resource_copy_region(pipe
, dst
, dst_level
, dstx
, dsty
, dstz
,
185 src
, src_level
, src_box
);
189 /* XXX cannot copy 3d regions at this time */
190 assert(src_box
->depth
== 1);
191 if (dst
->target
!= PIPE_TEXTURE_CUBE
&&
192 dst
->target
!= PIPE_TEXTURE_3D
)
194 dst_offset
= i915_texture_offset(dst_tex
, dst_level
, dstz
);
196 if (src
->target
!= PIPE_TEXTURE_CUBE
&&
197 src
->target
!= PIPE_TEXTURE_3D
)
198 assert(src_box
->z
== 0);
199 src_offset
= i915_texture_offset(src_tex
, src_level
, src_box
->z
);
201 assert( util_format_get_blocksize(dpt
->format
) == util_format_get_blocksize(spt
->format
) );
202 assert( util_format_get_blockwidth(dpt
->format
) == util_format_get_blockwidth(spt
->format
) );
203 assert( util_format_get_blockheight(dpt
->format
) == util_format_get_blockheight(spt
->format
) );
204 assert( util_format_get_blockwidth(dpt
->format
) == 1 );
205 assert( util_format_get_blockheight(dpt
->format
) == 1 );
207 i915_copy_blit( i915_context(pipe
),
208 util_format_get_blocksize(dpt
->format
),
209 (unsigned short) src_tex
->stride
, src_tex
->buffer
, src_offset
,
210 (unsigned short) dst_tex
->stride
, dst_tex
->buffer
, dst_offset
,
211 (short) src_box
->x
, (short) src_box
->y
, (short) dstx
, (short) dsty
,
212 (short) src_box
->width
, (short) src_box
->height
);
216 i915_blit(struct pipe_context
*pipe
, const struct pipe_blit_info
*blit_info
)
218 struct i915_context
*i915
= i915_context(pipe
);
219 struct pipe_blit_info info
= *blit_info
;
221 if (util_try_blit_via_copy_region(pipe
, &info
)) {
225 if (info
.mask
& PIPE_MASK_S
) {
226 debug_printf("i915: cannot blit stencil, skipping\n");
227 info
.mask
&= ~PIPE_MASK_S
;
230 if (!util_blitter_is_blit_supported(i915
->blitter
, &info
)) {
231 debug_printf("i915: blit unsupported %s -> %s\n",
232 util_format_short_name(info
.src
.resource
->format
),
233 util_format_short_name(info
.dst
.resource
->format
));
237 i915_util_blitter_save_states(i915
);
239 util_blitter_blit(i915
->blitter
, &info
);
243 i915_clear_render_target_blitter(struct pipe_context
*pipe
,
244 struct pipe_surface
*dst
,
245 const union pipe_color_union
*color
,
246 unsigned dstx
, unsigned dsty
,
247 unsigned width
, unsigned height
)
249 struct i915_texture
*tex
= i915_texture(dst
->texture
);
250 struct pipe_resource
*pt
= &tex
->b
.b
;
252 unsigned offset
= i915_texture_offset(tex
, dst
->u
.tex
.level
, dst
->u
.tex
.first_layer
);
254 assert(util_format_get_blockwidth(pt
->format
) == 1);
255 assert(util_format_get_blockheight(pt
->format
) == 1);
257 util_pack_color(color
->f
, dst
->format
, &uc
);
258 i915_fill_blit( i915_context(pipe
),
259 util_format_get_blocksize(pt
->format
),
260 XY_COLOR_BLT_WRITE_ALPHA
| XY_COLOR_BLT_WRITE_RGB
,
261 (unsigned short) tex
->stride
,
263 (short) dstx
, (short) dsty
,
264 (short) width
, (short) height
,
269 i915_clear_depth_stencil_blitter(struct pipe_context
*pipe
,
270 struct pipe_surface
*dst
,
271 unsigned clear_flags
,
274 unsigned dstx
, unsigned dsty
,
275 unsigned width
, unsigned height
)
277 struct i915_texture
*tex
= i915_texture(dst
->texture
);
278 struct pipe_resource
*pt
= &tex
->b
.b
;
281 unsigned offset
= i915_texture_offset(tex
, dst
->u
.tex
.level
, dst
->u
.tex
.first_layer
);
283 assert(util_format_get_blockwidth(pt
->format
) == 1);
284 assert(util_format_get_blockheight(pt
->format
) == 1);
286 packedds
= util_pack_z_stencil(dst
->format
, depth
, stencil
);
288 if (clear_flags
& PIPE_CLEAR_DEPTH
)
289 mask
|= XY_COLOR_BLT_WRITE_RGB
;
290 /* XXX presumably this does read-modify-write
291 (otherwise this won't work anyway). Hence will only want to
292 do it if really have stencil and it isn't cleared */
293 if ((clear_flags
& PIPE_CLEAR_STENCIL
) ||
294 (dst
->format
!= PIPE_FORMAT_Z24_UNORM_S8_UINT
))
295 mask
|= XY_COLOR_BLT_WRITE_ALPHA
;
297 i915_fill_blit( i915_context(pipe
),
298 util_format_get_blocksize(pt
->format
),
300 (unsigned short) tex
->stride
,
302 (short) dstx
, (short) dsty
,
303 (short) width
, (short) height
,
308 * Screen surface functions
312 static struct pipe_surface
*
313 i915_create_surface(struct pipe_context
*ctx
,
314 struct pipe_resource
*pt
,
315 const struct pipe_surface
*surf_tmpl
)
317 struct pipe_surface
*ps
;
319 assert(surf_tmpl
->u
.tex
.first_layer
== surf_tmpl
->u
.tex
.last_layer
);
320 if (pt
->target
!= PIPE_TEXTURE_CUBE
&&
321 pt
->target
!= PIPE_TEXTURE_3D
)
322 assert(surf_tmpl
->u
.tex
.first_layer
== 0);
324 ps
= CALLOC_STRUCT(pipe_surface
);
326 /* could subclass pipe_surface and store offset as it used to do */
327 pipe_reference_init(&ps
->reference
, 1);
328 pipe_resource_reference(&ps
->texture
, pt
);
329 ps
->format
= surf_tmpl
->format
;
330 ps
->width
= u_minify(pt
->width0
, surf_tmpl
->u
.tex
.level
);
331 ps
->height
= u_minify(pt
->height0
, surf_tmpl
->u
.tex
.level
);
332 ps
->u
.tex
.level
= surf_tmpl
->u
.tex
.level
;
333 ps
->u
.tex
.first_layer
= surf_tmpl
->u
.tex
.first_layer
;
334 ps
->u
.tex
.last_layer
= surf_tmpl
->u
.tex
.last_layer
;
341 i915_surface_destroy(struct pipe_context
*ctx
,
342 struct pipe_surface
*surf
)
344 pipe_resource_reference(&surf
->texture
, NULL
);
350 i915_init_surface_functions(struct i915_context
*i915
)
352 if (i915_screen(i915
->base
.screen
)->debug
.use_blitter
) {
353 i915
->base
.resource_copy_region
= i915_surface_copy_blitter
;
354 i915
->base
.clear_render_target
= i915_clear_render_target_blitter
;
355 i915
->base
.clear_depth_stencil
= i915_clear_depth_stencil_blitter
;
357 i915
->base
.resource_copy_region
= i915_surface_copy_render
;
358 i915
->base
.clear_render_target
= i915_clear_render_target_render
;
359 i915
->base
.clear_depth_stencil
= i915_clear_depth_stencil_render
;
361 i915
->base
.blit
= i915_blit
;
362 i915
->base
.create_surface
= i915_create_surface
;
363 i915
->base
.surface_destroy
= i915_surface_destroy
;