1 /**************************************************************************
3 * Copyright 2003 VMware, Inc.
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 VMWARE 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"
42 static struct pipe_surface
*
43 i915_create_surface_custom(struct pipe_context
*ctx
,
44 struct pipe_resource
*pt
,
45 const struct pipe_surface
*surf_tmpl
,
49 * surface functions using the render engine
53 i915_util_blitter_save_states(struct i915_context
*i915
)
55 util_blitter_save_blend(i915
->blitter
, (void *)i915
->blend
);
56 util_blitter_save_depth_stencil_alpha(i915
->blitter
, (void *)i915
->depth_stencil
);
57 util_blitter_save_stencil_ref(i915
->blitter
, &i915
->stencil_ref
);
58 util_blitter_save_rasterizer(i915
->blitter
, (void *)i915
->rasterizer
);
59 util_blitter_save_fragment_shader(i915
->blitter
, i915
->fs
);
60 util_blitter_save_vertex_shader(i915
->blitter
, i915
->vs
);
61 util_blitter_save_viewport(i915
->blitter
, &i915
->viewport
);
62 util_blitter_save_scissor(i915
->blitter
, &i915
->scissor
);
63 util_blitter_save_vertex_elements(i915
->blitter
, i915
->velems
);
64 util_blitter_save_vertex_buffer_slot(i915
->blitter
,
65 i915
->vertex_buffers
);
67 util_blitter_save_framebuffer(i915
->blitter
, &i915
->framebuffer
);
69 util_blitter_save_fragment_sampler_states(i915
->blitter
,
71 (void**)i915
->fragment_sampler
);
72 util_blitter_save_fragment_sampler_views(i915
->blitter
,
73 i915
->num_fragment_sampler_views
,
74 i915
->fragment_sampler_views
);
78 i915_surface_copy_render(struct pipe_context
*pipe
,
79 struct pipe_resource
*dst
, unsigned dst_level
,
80 unsigned dstx
, unsigned dsty
, unsigned dstz
,
81 struct pipe_resource
*src
, unsigned src_level
,
82 const struct pipe_box
*src_box
)
84 struct pipe_screen
*screen
= pipe
->screen
;
85 struct i915_context
*i915
= i915_context(pipe
);
86 struct i915_texture
*dst_tex
= i915_texture(dst
);
87 struct i915_texture
*src_tex
= i915_texture(src
);
88 unsigned src_width0
= src
->width0
;
89 unsigned src_height0
= src
->height0
;
90 unsigned dst_width0
= dst
->width0
;
91 unsigned dst_height0
= dst
->height0
;
93 struct pipe_box dstbox
;
94 struct pipe_sampler_view src_templ
, *src_view
;
95 struct pipe_surface dst_templ
, *dst_view
;
97 /* Fallback for buffers. */
98 if ((dst
->target
== PIPE_BUFFER
&& src
->target
== PIPE_BUFFER
)) {
99 util_resource_copy_region(pipe
, dst
, dst_level
, dstx
, dsty
, dstz
,
100 src
, src_level
, src_box
);
104 layout
= util_format_description(dst_templ
.format
)->layout
;
106 if (!util_blitter_is_copy_supported(i915
->blitter
, dst
, src
)) {
107 switch (util_format_get_blocksize(dst_templ
.format
)) {
109 dst_templ
.format
= PIPE_FORMAT_I8_UNORM
;
112 dst_templ
.format
= PIPE_FORMAT_B5G6R5_UNORM
;
115 dst_templ
.format
= PIPE_FORMAT_B8G8R8A8_UNORM
;
118 debug_printf("i915: copy_region: Unhandled format: %s. Falling back to software.\n"
119 "i915: copy_region: Software fallback doesn't work for tiled textures.\n",
120 util_format_short_name(dst_templ
.format
));
122 src_templ
.format
= dst_templ
.format
;
125 i915_util_blitter_save_states(i915
);
127 util_blitter_default_dst_texture(&dst_templ
, dst
, dst_level
, dstz
);
128 util_blitter_default_src_texture(&src_templ
, src
, src_level
);
130 dst_view
= i915_create_surface_custom(pipe
, dst
, &dst_templ
, dst_width0
, dst_height0
);
131 src_view
= i915_create_sampler_view_custom(pipe
, src
, &src_templ
, src_width0
, src_height0
);
133 u_box_3d(dstx
, dsty
, dstz
, abs(src_box
->width
), abs(src_box
->height
),
134 abs(src_box
->depth
), &dstbox
);
136 util_blitter_blit_generic(i915
->blitter
, dst_view
, &dstbox
,
137 src_view
, src_box
, src_width0
, src_height0
,
138 PIPE_MASK_RGBAZS
, PIPE_TEX_FILTER_NEAREST
, NULL
);
142 i915_clear_render_target_render(struct pipe_context
*pipe
,
143 struct pipe_surface
*dst
,
144 const union pipe_color_union
*color
,
145 unsigned dstx
, unsigned dsty
,
146 unsigned width
, unsigned height
)
148 struct i915_context
*i915
= i915_context(pipe
);
149 struct pipe_framebuffer_state fb_state
;
151 util_blitter_save_framebuffer(i915
->blitter
, &i915
->framebuffer
);
153 fb_state
.width
= dst
->width
;
154 fb_state
.height
= dst
->height
;
155 fb_state
.nr_cbufs
= 1;
156 fb_state
.cbufs
[0] = dst
;
157 fb_state
.zsbuf
= NULL
;
158 pipe
->set_framebuffer_state(pipe
, &fb_state
);
161 i915_update_derived(i915
);
163 i915_clear_emit(pipe
, PIPE_CLEAR_COLOR
, color
, 0.0, 0x0,
164 dstx
, dsty
, width
, height
);
166 pipe
->set_framebuffer_state(pipe
, &i915
->blitter
->saved_fb_state
);
167 util_unreference_framebuffer_state(&i915
->blitter
->saved_fb_state
);
168 i915
->blitter
->saved_fb_state
.nr_cbufs
= ~0;
172 i915_clear_depth_stencil_render(struct pipe_context
*pipe
,
173 struct pipe_surface
*dst
,
174 unsigned clear_flags
,
177 unsigned dstx
, unsigned dsty
,
178 unsigned width
, unsigned height
)
180 struct i915_context
*i915
= i915_context(pipe
);
181 struct pipe_framebuffer_state fb_state
;
183 util_blitter_save_framebuffer(i915
->blitter
, &i915
->framebuffer
);
185 fb_state
.width
= dst
->width
;
186 fb_state
.height
= dst
->height
;
187 fb_state
.nr_cbufs
= 0;
188 fb_state
.zsbuf
= dst
;
189 pipe
->set_framebuffer_state(pipe
, &fb_state
);
192 i915_update_derived(i915
);
194 i915_clear_emit(pipe
, clear_flags
& PIPE_CLEAR_DEPTHSTENCIL
,
195 NULL
, depth
, stencil
,
196 dstx
, dsty
, width
, height
);
198 pipe
->set_framebuffer_state(pipe
, &i915
->blitter
->saved_fb_state
);
199 util_unreference_framebuffer_state(&i915
->blitter
->saved_fb_state
);
200 i915
->blitter
->saved_fb_state
.nr_cbufs
= ~0;
204 * surface functions using the blitter
207 /* Assumes all values are within bounds -- no checking at this level -
208 * do it higher up if required.
211 i915_surface_copy_blitter(struct pipe_context
*pipe
,
212 struct pipe_resource
*dst
, unsigned dst_level
,
213 unsigned dstx
, unsigned dsty
, unsigned dstz
,
214 struct pipe_resource
*src
, unsigned src_level
,
215 const struct pipe_box
*src_box
)
217 struct i915_texture
*dst_tex
= i915_texture(dst
);
218 struct i915_texture
*src_tex
= i915_texture(src
);
219 struct pipe_resource
*dpt
= &dst_tex
->b
.b
;
220 struct pipe_resource
*spt
= &src_tex
->b
.b
;
221 unsigned dst_offset
, src_offset
; /* in bytes */
223 /* Fallback for buffers. */
224 if (dst
->target
== PIPE_BUFFER
&& src
->target
== PIPE_BUFFER
) {
225 util_resource_copy_region(pipe
, dst
, dst_level
, dstx
, dsty
, dstz
,
226 src
, src_level
, src_box
);
230 /* XXX cannot copy 3d regions at this time */
231 assert(src_box
->depth
== 1);
232 if (dst
->target
!= PIPE_TEXTURE_CUBE
&&
233 dst
->target
!= PIPE_TEXTURE_3D
)
235 dst_offset
= i915_texture_offset(dst_tex
, dst_level
, dstz
);
237 if (src
->target
!= PIPE_TEXTURE_CUBE
&&
238 src
->target
!= PIPE_TEXTURE_3D
)
239 assert(src_box
->z
== 0);
240 src_offset
= i915_texture_offset(src_tex
, src_level
, src_box
->z
);
242 assert( util_format_get_blocksize(dpt
->format
) == util_format_get_blocksize(spt
->format
) );
243 assert( util_format_get_blockwidth(dpt
->format
) == util_format_get_blockwidth(spt
->format
) );
244 assert( util_format_get_blockheight(dpt
->format
) == util_format_get_blockheight(spt
->format
) );
245 assert( util_format_get_blockwidth(dpt
->format
) == 1 );
246 assert( util_format_get_blockheight(dpt
->format
) == 1 );
248 i915_copy_blit( i915_context(pipe
),
249 util_format_get_blocksize(dpt
->format
),
250 (unsigned short) src_tex
->stride
, src_tex
->buffer
, src_offset
,
251 (unsigned short) dst_tex
->stride
, dst_tex
->buffer
, dst_offset
,
252 (short) src_box
->x
, (short) src_box
->y
, (short) dstx
, (short) dsty
,
253 (short) src_box
->width
, (short) src_box
->height
);
257 i915_blit(struct pipe_context
*pipe
, const struct pipe_blit_info
*blit_info
)
259 struct i915_context
*i915
= i915_context(pipe
);
260 struct pipe_blit_info info
= *blit_info
;
262 if (util_try_blit_via_copy_region(pipe
, &info
)) {
266 if (info
.mask
& PIPE_MASK_S
) {
267 debug_printf("i915: cannot blit stencil, skipping\n");
268 info
.mask
&= ~PIPE_MASK_S
;
271 if (!util_blitter_is_blit_supported(i915
->blitter
, &info
)) {
272 debug_printf("i915: blit unsupported %s -> %s\n",
273 util_format_short_name(info
.src
.resource
->format
),
274 util_format_short_name(info
.dst
.resource
->format
));
278 i915_util_blitter_save_states(i915
);
280 util_blitter_blit(i915
->blitter
, &info
);
284 i915_flush_resource(struct pipe_context
*ctx
, struct pipe_resource
*resource
)
289 i915_clear_render_target_blitter(struct pipe_context
*pipe
,
290 struct pipe_surface
*dst
,
291 const union pipe_color_union
*color
,
292 unsigned dstx
, unsigned dsty
,
293 unsigned width
, unsigned height
)
295 struct i915_texture
*tex
= i915_texture(dst
->texture
);
296 struct pipe_resource
*pt
= &tex
->b
.b
;
298 unsigned offset
= i915_texture_offset(tex
, dst
->u
.tex
.level
, dst
->u
.tex
.first_layer
);
300 assert(util_format_get_blockwidth(pt
->format
) == 1);
301 assert(util_format_get_blockheight(pt
->format
) == 1);
303 util_pack_color(color
->f
, dst
->format
, &uc
);
304 i915_fill_blit( i915_context(pipe
),
305 util_format_get_blocksize(pt
->format
),
306 XY_COLOR_BLT_WRITE_ALPHA
| XY_COLOR_BLT_WRITE_RGB
,
307 (unsigned short) tex
->stride
,
309 (short) dstx
, (short) dsty
,
310 (short) width
, (short) height
,
315 i915_clear_depth_stencil_blitter(struct pipe_context
*pipe
,
316 struct pipe_surface
*dst
,
317 unsigned clear_flags
,
320 unsigned dstx
, unsigned dsty
,
321 unsigned width
, unsigned height
)
323 struct i915_texture
*tex
= i915_texture(dst
->texture
);
324 struct pipe_resource
*pt
= &tex
->b
.b
;
327 unsigned offset
= i915_texture_offset(tex
, dst
->u
.tex
.level
, dst
->u
.tex
.first_layer
);
329 assert(util_format_get_blockwidth(pt
->format
) == 1);
330 assert(util_format_get_blockheight(pt
->format
) == 1);
332 packedds
= util_pack_z_stencil(dst
->format
, depth
, stencil
);
334 if (clear_flags
& PIPE_CLEAR_DEPTH
)
335 mask
|= XY_COLOR_BLT_WRITE_RGB
;
336 /* XXX presumably this does read-modify-write
337 (otherwise this won't work anyway). Hence will only want to
338 do it if really have stencil and it isn't cleared */
339 if ((clear_flags
& PIPE_CLEAR_STENCIL
) ||
340 (dst
->format
!= PIPE_FORMAT_Z24_UNORM_S8_UINT
))
341 mask
|= XY_COLOR_BLT_WRITE_ALPHA
;
343 i915_fill_blit( i915_context(pipe
),
344 util_format_get_blocksize(pt
->format
),
346 (unsigned short) tex
->stride
,
348 (short) dstx
, (short) dsty
,
349 (short) width
, (short) height
,
354 * Screen surface functions
358 static struct pipe_surface
*
359 i915_create_surface_custom(struct pipe_context
*ctx
,
360 struct pipe_resource
*pt
,
361 const struct pipe_surface
*surf_tmpl
,
365 struct pipe_surface
*ps
;
367 assert(surf_tmpl
->u
.tex
.first_layer
== surf_tmpl
->u
.tex
.last_layer
);
368 if (pt
->target
!= PIPE_TEXTURE_CUBE
&&
369 pt
->target
!= PIPE_TEXTURE_3D
)
370 assert(surf_tmpl
->u
.tex
.first_layer
== 0);
372 ps
= CALLOC_STRUCT(pipe_surface
);
374 /* could subclass pipe_surface and store offset as it used to do */
375 pipe_reference_init(&ps
->reference
, 1);
376 pipe_resource_reference(&ps
->texture
, pt
);
377 ps
->format
= surf_tmpl
->format
;
378 ps
->width
= u_minify(width0
, surf_tmpl
->u
.tex
.level
);
379 ps
->height
= u_minify(height0
, surf_tmpl
->u
.tex
.level
);
380 ps
->u
.tex
.level
= surf_tmpl
->u
.tex
.level
;
381 ps
->u
.tex
.first_layer
= surf_tmpl
->u
.tex
.first_layer
;
382 ps
->u
.tex
.last_layer
= surf_tmpl
->u
.tex
.last_layer
;
388 static struct pipe_surface
*
389 i915_create_surface(struct pipe_context
*ctx
,
390 struct pipe_resource
*pt
,
391 const struct pipe_surface
*surf_tmpl
)
393 return i915_create_surface_custom(ctx
, pt
, surf_tmpl
,
394 pt
->width0
, pt
->height0
);
398 i915_surface_destroy(struct pipe_context
*ctx
,
399 struct pipe_surface
*surf
)
401 pipe_resource_reference(&surf
->texture
, NULL
);
407 i915_init_surface_functions(struct i915_context
*i915
)
409 if (i915_screen(i915
->base
.screen
)->debug
.use_blitter
) {
410 i915
->base
.resource_copy_region
= i915_surface_copy_blitter
;
411 i915
->base
.clear_render_target
= i915_clear_render_target_blitter
;
412 i915
->base
.clear_depth_stencil
= i915_clear_depth_stencil_blitter
;
414 i915
->base
.resource_copy_region
= i915_surface_copy_render
;
415 i915
->base
.clear_render_target
= i915_clear_render_target_render
;
416 i915
->base
.clear_depth_stencil
= i915_clear_depth_stencil_render
;
418 i915
->base
.blit
= i915_blit
;
419 i915
->base
.flush_resource
= i915_flush_resource
;
420 i915
->base
.create_surface
= i915_create_surface
;
421 i915
->base
.surface_destroy
= i915_surface_destroy
;