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 **************************************************************************/
30 #include "i915_context.h"
31 #include "i915_batch.h"
32 #include "i915_debug.h"
33 #include "i915_resource.h"
35 #include "pipe/p_context.h"
36 #include "pipe/p_defines.h"
38 static unsigned translate_format( enum pipe_format format
)
41 case PIPE_FORMAT_B8G8R8A8_UNORM
:
42 return COLOR_BUF_ARGB8888
;
43 case PIPE_FORMAT_B5G6R5_UNORM
:
44 return COLOR_BUF_RGB565
;
51 static unsigned translate_depth_format( enum pipe_format zformat
)
54 case PIPE_FORMAT_Z24X8_UNORM
:
55 case PIPE_FORMAT_Z24_UNORM_S8_USCALED
:
56 return DEPTH_FRMT_24_FIXED_8_OTHER
;
57 case PIPE_FORMAT_Z16_UNORM
:
58 return DEPTH_FRMT_16_FIXED
;
67 * Examine framebuffer state to determine width, height.
70 framebuffer_size(const struct pipe_framebuffer_state
*fb
,
71 uint
*width
, uint
*height
)
74 *width
= fb
->cbufs
[0]->width
;
75 *height
= fb
->cbufs
[0]->height
;
79 *width
= fb
->zsbuf
->width
;
80 *height
= fb
->zsbuf
->height
;
90 /* Push the state into the sarea and/or texture memory.
93 i915_emit_hardware_state(struct i915_context
*i915
)
95 /* XXX: there must be an easier way */
96 const unsigned dwords
= ( 14 +
100 2 + I915_TEX_UNITS
*3 +
101 2 + I915_TEX_UNITS
*3 +
102 2 + I915_MAX_CONSTANT
*4 +
104 i915
->current
.program_len
+
106 i915
->fs
->program_len
+
109 ) * 3/2; /* plus 50% margin */
110 const unsigned relocs
= ( I915_TEX_UNITS
+
112 ) * 3/2; /* plus 50% margin */
117 if (I915_DBG_ON(DBG_ATOMS
))
118 i915_dump_hardware_dirty(i915
, __FUNCTION__
);
120 if(!BEGIN_BATCH(dwords
, relocs
)) {
122 assert(BEGIN_BATCH(dwords
, relocs
));
125 save_ptr
= (uintptr_t)i915
->batch
->ptr
;
126 save_relocs
= i915
->batch
->relocs
;
128 /* 14 dwords, 0 relocs */
129 if (i915
->hardware_dirty
& I915_HW_INVARIENT
)
131 OUT_BATCH(_3DSTATE_AA_CMD
|
132 AA_LINE_ECAAR_WIDTH_ENABLE
|
133 AA_LINE_ECAAR_WIDTH_1_0
|
134 AA_LINE_REGION_WIDTH_ENABLE
| AA_LINE_REGION_WIDTH_1_0
);
136 OUT_BATCH(_3DSTATE_DFLT_DIFFUSE_CMD
);
139 OUT_BATCH(_3DSTATE_DFLT_SPEC_CMD
);
142 OUT_BATCH(_3DSTATE_DFLT_Z_CMD
);
145 OUT_BATCH(_3DSTATE_COORD_SET_BINDINGS
|
155 OUT_BATCH(_3DSTATE_RASTER_RULES_CMD
|
156 ENABLE_POINT_RASTER_RULE
|
157 OGL_POINT_RASTER_RULE
|
158 ENABLE_LINE_STRIP_PROVOKE_VRTX
|
159 ENABLE_TRI_FAN_PROVOKE_VRTX
|
160 LINE_STRIP_PROVOKE_VRTX(1) |
161 TRI_FAN_PROVOKE_VRTX(2) |
162 ENABLE_TEXKILL_3D_4D
|
165 /* Need to initialize this to zero.
167 OUT_BATCH(_3DSTATE_LOAD_STATE_IMMEDIATE_1
| I1_LOAD_S(3) | (0));
170 OUT_BATCH(_3DSTATE_DEPTH_SUBRECT_DISABLE
);
172 /* disable indirect state for now
174 OUT_BATCH(_3DSTATE_LOAD_INDIRECT
| 0);
178 /* 7 dwords, 1 relocs */
179 if (i915
->hardware_dirty
& I915_HW_IMMEDIATE
)
181 OUT_BATCH(_3DSTATE_LOAD_STATE_IMMEDIATE_1
|
193 i915
->current
.immediate
[I915_IMMEDIATE_S0
]);
195 /* FIXME: we should not do this */
197 OUT_BATCH(i915
->current
.immediate
[I915_IMMEDIATE_S1
]);
198 OUT_BATCH(i915
->current
.immediate
[I915_IMMEDIATE_S2
]);
199 OUT_BATCH(i915
->current
.immediate
[I915_IMMEDIATE_S4
]);
200 OUT_BATCH(i915
->current
.immediate
[I915_IMMEDIATE_S5
]);
201 OUT_BATCH(i915
->current
.immediate
[I915_IMMEDIATE_S6
]);
205 /* I915_MAX_DYNAMIC dwords, 0 relocs */
206 if (i915
->hardware_dirty
& I915_HW_DYNAMIC
)
209 for (i
= 0; i
< I915_MAX_DYNAMIC
; i
++) {
210 OUT_BATCH(i915
->current
.dynamic
[i
]);
216 /* 8 dwords, 2 relocs */
217 if (i915
->hardware_dirty
& I915_HW_STATIC
)
219 struct pipe_surface
*cbuf_surface
= i915
->framebuffer
.cbufs
[0];
220 struct pipe_surface
*depth_surface
= i915
->framebuffer
.zsbuf
;
223 unsigned ctile
= BUF_3D_USE_FENCE
;
224 struct i915_texture
*tex
= i915_texture(cbuf_surface
->texture
);
227 if (tex
&& tex
->sw_tiled
) {
228 ctile
= BUF_3D_TILED_SURFACE
;
231 OUT_BATCH(_3DSTATE_BUF_INFO_CMD
);
233 OUT_BATCH(BUF_3D_ID_COLOR_BACK
|
234 BUF_3D_PITCH(tex
->stride
) | /* pitch in bytes */
237 OUT_RELOC(tex
->buffer
,
239 cbuf_surface
->offset
);
242 /* What happens if no zbuf??
245 unsigned ztile
= BUF_3D_USE_FENCE
;
246 struct i915_texture
*tex
= i915_texture(depth_surface
->texture
);
249 if (tex
&& tex
->sw_tiled
) {
250 ztile
= BUF_3D_TILED_SURFACE
;
253 OUT_BATCH(_3DSTATE_BUF_INFO_CMD
);
256 OUT_BATCH(BUF_3D_ID_DEPTH
|
257 BUF_3D_PITCH(tex
->stride
) | /* pitch in bytes */
260 OUT_RELOC(tex
->buffer
,
262 depth_surface
->offset
);
266 unsigned cformat
, zformat
= 0;
269 cformat
= cbuf_surface
->format
;
271 cformat
= PIPE_FORMAT_B8G8R8A8_UNORM
; /* arbitrary */
272 cformat
= translate_format(cformat
);
275 zformat
= translate_depth_format( i915
->framebuffer
.zsbuf
->format
);
277 OUT_BATCH(_3DSTATE_DST_BUF_VARS_CMD
);
278 OUT_BATCH(DSTORG_HORT_BIAS(0x8) | /* .5 */
279 DSTORG_VERT_BIAS(0x8) | /* .5 */
281 TEX_DEFAULT_COLOR_OGL
|
290 /* 2 + I915_TEX_UNITS*3 dwords, I915_TEX_UNITS relocs */
291 if (i915
->hardware_dirty
& (I915_HW_MAP
| I915_HW_SAMPLER
))
293 const uint nr
= i915
->current
.sampler_enable_nr
;
295 const uint enabled
= i915
->current
.sampler_enable_flags
;
298 OUT_BATCH(_3DSTATE_MAP_STATE
| (3 * nr
));
300 for (unit
= 0; unit
< I915_TEX_UNITS
; unit
++) {
301 if (enabled
& (1 << unit
)) {
302 struct i915_texture
*texture
= i915_texture(i915
->fragment_sampler_views
[unit
]->texture
);
303 struct i915_winsys_buffer
*buf
= texture
->buffer
;
309 OUT_RELOC(buf
, I915_USAGE_SAMPLER
, offset
);
310 OUT_BATCH(i915
->current
.texbuffer
[unit
][0]); /* MS3 */
311 OUT_BATCH(i915
->current
.texbuffer
[unit
][1]); /* MS4 */
321 /* 2 + I915_TEX_UNITS*3 dwords, 0 relocs */
322 if (i915
->hardware_dirty
& I915_HW_SAMPLER
)
324 if (i915
->current
.sampler_enable_nr
) {
327 OUT_BATCH( _3DSTATE_SAMPLER_STATE
|
328 (3 * i915
->current
.sampler_enable_nr
) );
330 OUT_BATCH( i915
->current
.sampler_enable_flags
);
332 for (i
= 0; i
< I915_TEX_UNITS
; i
++) {
333 if (i915
->current
.sampler_enable_flags
& (1<<i
)) {
334 OUT_BATCH( i915
->current
.sampler
[i
][0] );
335 OUT_BATCH( i915
->current
.sampler
[i
][1] );
336 OUT_BATCH( i915
->current
.sampler
[i
][2] );
345 /* 2 + I915_MAX_CONSTANT*4 dwords, 0 relocs */
346 if (i915
->hardware_dirty
& I915_HW_CONSTANTS
)
348 /* Collate the user-defined constants with the fragment shader's
349 * immediates according to the constant_flags[] array.
351 const uint nr
= i915
->fs
->num_constants
;
355 OUT_BATCH( _3DSTATE_PIXEL_SHADER_CONSTANTS
| (nr
* 4) );
356 OUT_BATCH( (1 << (nr
- 1)) | ((1 << (nr
- 1)) - 1) );
358 for (i
= 0; i
< nr
; i
++) {
360 if (i915
->fs
->constant_flags
[i
] == I915_CONSTFLAG_USER
) {
361 /* grab user-defined constant */
362 c
= (uint
*) i915
->current
.constants
[PIPE_SHADER_FRAGMENT
][i
];
365 /* emit program constant */
366 c
= (uint
*) i915
->fs
->constants
[i
];
370 float *f
= (float *) c
;
371 printf("Const %2d: %f %f %f %f %s\n", i
, f
[0], f
[1], f
[2], f
[3],
372 (i915
->fs
->constant_flags
[i
] == I915_CONSTFLAG_USER
373 ? "user" : "immediate"));
386 /* Fragment program */
387 /* i915->current.program_len dwords, 0 relocs */
388 if (i915
->hardware_dirty
& I915_HW_PROGRAM
)
391 /* we should always have, at least, a pass-through program */
392 assert(i915
->fs
->program_len
> 0);
393 for (i
= 0; i
< i915
->fs
->program_len
; i
++) {
394 OUT_BATCH(i915
->fs
->program
[i
]);
400 /* drawing surface size */
401 /* 6 dwords, 0 relocs */
404 boolean k
= framebuffer_size(&i915
->framebuffer
, &w
, &h
);
408 OUT_BATCH(_3DSTATE_DRAW_RECT_CMD
);
411 OUT_BATCH(((w
- 1) & 0xffff) | ((h
- 1) << 16));
417 I915_DBG(DBG_EMIT
, "%s: used %d dwords, %d relocs\n", __FUNCTION__
,
418 ((uintptr_t)i915
->batch
->ptr
- save_ptr
) / 4,
419 i915
->batch
->relocs
- save_relocs
);
421 i915
->hardware_dirty
= 0;