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_batch.h"
29 #include "i915_state_inlines.h"
30 #include "i915_context.h"
32 #include "i915_state.h"
33 #include "util/u_math.h"
34 #include "util/u_memory.h"
35 #include "util/u_pack_color.h"
38 /* State that we have chosen to store in the DYNAMIC segment of the
39 * i915 indirect state mechanism.
41 * Can't cache these in the way we do the static state, as there is no
42 * start/size in the command packet, instead an 'end' value that gets
45 * Additionally, there seems to be a requirement to re-issue the full
46 * (active) state every time a 4kb boundary is crossed.
49 static INLINE
void set_dynamic_indirect(struct i915_context
*i915
,
56 for (i
= 0; i
< dwords
; i
++)
57 i915
->current
.dynamic
[offset
+ i
] = src
[i
];
59 i915
->hardware_dirty
|= I915_HW_DYNAMIC
;
64 /***********************************************************************
65 * Modes4: stencil masks and logicop
67 static void upload_MODES4(struct i915_context
*i915
)
73 modes4
|= i915
->depth_stencil
->stencil_modes4
;
77 modes4
|= i915
->blend
->modes4
;
79 /* Always, so that we know when state is in-active:
81 set_dynamic_indirect(i915
,
87 const struct i915_tracked_state i915_upload_MODES4
= {
90 I915_NEW_BLEND
| I915_NEW_DEPTH_STENCIL
95 /***********************************************************************
97 static void upload_BFO(struct i915_context
*i915
)
100 bfo
[0] = i915
->depth_stencil
->bfo
[0];
101 bfo
[1] = i915
->depth_stencil
->bfo
[1];
102 /* I don't get it only allowed to set a ref mask when the enable bit is set? */
103 if (bfo
[0] & BFO_ENABLE_STENCIL_REF
) {
104 bfo
[0] |= i915
->stencil_ref
.ref_value
[1] << BFO_STENCIL_REF_SHIFT
;
107 set_dynamic_indirect(i915
,
113 const struct i915_tracked_state i915_upload_BFO
= {
116 I915_NEW_DEPTH_STENCIL
121 /***********************************************************************
123 static void upload_BLENDCOLOR(struct i915_context
*i915
)
127 memset(bc
, 0, sizeof(bc
));
132 const float *color
= i915
->blend_color
.color
;
134 bc
[0] = _3DSTATE_CONST_BLEND_COLOR_CMD
;
135 bc
[1] = pack_ui32_float4(color
[0],
141 set_dynamic_indirect(i915
,
147 const struct i915_tracked_state i915_upload_BLENDCOLOR
= {
155 /***********************************************************************
157 static void upload_IAB(struct i915_context
*i915
)
159 unsigned iab
= i915
->blend
->iab
;
161 set_dynamic_indirect(i915
,
167 const struct i915_tracked_state i915_upload_IAB
= {
175 /***********************************************************************
177 static void upload_DEPTHSCALE(struct i915_context
*i915
)
179 set_dynamic_indirect(i915
,
180 I915_DYNAMIC_DEPTHSCALE_0
,
181 &(i915
->rasterizer
->ds
[0].u
),
185 const struct i915_tracked_state i915_upload_DEPTHSCALE
= {
193 /***********************************************************************
196 * The i915 supports a 4x4 stipple natively, GL wants 32x32.
197 * Fortunately stipple is usually a repeating pattern.
199 * XXX: does stipple pattern need to be adjusted according to
200 * the window position?
202 * XXX: possibly need workaround for conform paths test.
204 static void upload_STIPPLE(struct i915_context
*i915
)
208 st
[0] = _3DSTATE_STIPPLE
;
211 /* I915_NEW_RASTERIZER
213 st
[1] |= i915
->rasterizer
->st
;
218 const ubyte
*mask
= (const ubyte
*)i915
->poly_stipple
.stipple
;
221 p
[0] = mask
[12] & 0xf;
222 p
[1] = mask
[8] & 0xf;
223 p
[2] = mask
[4] & 0xf;
224 p
[3] = mask
[0] & 0xf;
226 /* Not sure what to do about fallbacks, so for now just dont:
228 st
[1] |= ((p
[0] << 0) |
234 set_dynamic_indirect(i915
,
240 const struct i915_tracked_state i915_upload_STIPPLE
= {
243 I915_NEW_RASTERIZER
| I915_NEW_STIPPLE
248 /***********************************************************************
251 static void upload_SCISSOR_ENABLE( struct i915_context
*i915
)
253 set_dynamic_indirect(i915
,
254 I915_DYNAMIC_SC_ENA_0
,
255 &(i915
->rasterizer
->sc
[0]),
259 const struct i915_tracked_state i915_upload_SCISSOR_ENABLE
= {
261 upload_SCISSOR_ENABLE
,
267 /***********************************************************************
270 static void upload_SCISSOR_RECT(struct i915_context
*i915
)
272 unsigned x1
= i915
->scissor
.minx
;
273 unsigned y1
= i915
->scissor
.miny
;
274 unsigned x2
= i915
->scissor
.maxx
;
275 unsigned y2
= i915
->scissor
.maxy
;
278 sc
[0] = _3DSTATE_SCISSOR_RECT_0_CMD
;
279 sc
[1] = (y1
<< 16) | (x1
& 0xffff);
280 sc
[2] = (y2
<< 16) | (x2
& 0xffff);
282 set_dynamic_indirect(i915
,
283 I915_DYNAMIC_SC_RECT_0
,
288 const struct i915_tracked_state i915_upload_SCISSOR_RECT
= {
296 /***********************************************************************
298 static const struct i915_tracked_state
*atoms
[] = {
301 &i915_upload_BLENDCOLOR
,
303 &i915_upload_DEPTHSCALE
,
304 &i915_upload_STIPPLE
,
305 &i915_upload_SCISSOR_ENABLE
,
306 &i915_upload_SCISSOR_RECT
309 /* These will be dynamic indirect state commands, but for now just end
310 * up on the batch buffer with everything else.
312 static void update_dynamic(struct i915_context
*i915
)
316 for (i
= 0; i
< Elements(atoms
); i
++)
317 if (i915
->dirty
& atoms
[i
]->dirty
)
318 atoms
[i
]->update(i915
);
321 struct i915_tracked_state i915_hw_dynamic
= {
324 ~0 /* all state atoms, becuase we do internal checking */