2 * Copyright © 2011 Intel Corporation
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
24 #include "brw_context.h"
25 #include "brw_state.h"
26 #include "brw_defines.h"
28 #include "main/macros.h"
29 #include "main/fbobject.h"
30 #include "main/framebuffer.h"
31 #include "intel_batchbuffer.h"
34 upload_sbe_state(struct brw_context
*brw
)
36 struct gl_context
*ctx
= &brw
->ctx
;
37 /* BRW_NEW_FS_PROG_DATA */
38 uint32_t num_outputs
= brw
->wm
.prog_data
->num_varying_inputs
;
40 uint32_t point_sprite_enables
;
42 uint16_t attr_overrides
[16];
44 bool render_to_fbo
= _mesa_is_user_fbo(ctx
->DrawBuffer
);
45 uint32_t point_sprite_origin
;
47 /* FINISHME: Attribute Swizzle Control Mode? */
48 dw1
= GEN7_SBE_SWIZZLE_ENABLE
| num_outputs
<< GEN7_SBE_NUM_OUTPUTS_SHIFT
;
52 * Window coordinates in an FBO are inverted, which means point
53 * sprite origin must be inverted.
55 if ((ctx
->Point
.SpriteOrigin
== GL_LOWER_LEFT
) != render_to_fbo
) {
56 point_sprite_origin
= GEN6_SF_POINT_SPRITE_LOWERLEFT
;
58 point_sprite_origin
= GEN6_SF_POINT_SPRITE_UPPERLEFT
;
60 dw1
|= point_sprite_origin
;
62 /* BRW_NEW_VUE_MAP_GEOM_OUT | BRW_NEW_FRAGMENT_PROGRAM
63 * _NEW_POINT | _NEW_LIGHT | _NEW_PROGRAM | BRW_NEW_FS_PROG_DATA
65 uint32_t urb_entry_read_length
;
66 uint32_t urb_entry_read_offset
;
67 calculate_attr_overrides(brw
, attr_overrides
, &point_sprite_enables
,
68 &urb_entry_read_length
, &urb_entry_read_offset
);
69 dw1
|= urb_entry_read_length
<< GEN7_SBE_URB_ENTRY_READ_LENGTH_SHIFT
|
70 urb_entry_read_offset
<< GEN7_SBE_URB_ENTRY_READ_OFFSET_SHIFT
;
73 OUT_BATCH(_3DSTATE_SBE
<< 16 | (14 - 2));
76 /* Output dwords 2 through 9 */
77 for (i
= 0; i
< 8; i
++) {
78 OUT_BATCH(attr_overrides
[i
* 2] | attr_overrides
[i
* 2 + 1] << 16);
81 OUT_BATCH(point_sprite_enables
); /* dw10 */
82 OUT_BATCH(brw
->wm
.prog_data
->flat_inputs
);
83 OUT_BATCH(0); /* wrapshortest enables 0-7 */
84 OUT_BATCH(0); /* wrapshortest enables 8-15 */
88 const struct brw_tracked_state gen7_sbe_state
= {
90 .mesa
= _NEW_BUFFERS
|
94 .brw
= BRW_NEW_BLORP
|
96 BRW_NEW_FRAGMENT_PROGRAM
|
97 BRW_NEW_FS_PROG_DATA
|
98 BRW_NEW_GEOMETRY_PROGRAM
|
100 BRW_NEW_VUE_MAP_GEOM_OUT
,
102 .emit
= upload_sbe_state
,
106 upload_sf_state(struct brw_context
*brw
)
108 struct gl_context
*ctx
= &brw
->ctx
;
109 uint32_t dw1
, dw2
, dw3
;
112 bool render_to_fbo
= _mesa_is_user_fbo(ctx
->DrawBuffer
);
113 const bool multisampled_fbo
= _mesa_geometric_samples(ctx
->DrawBuffer
) > 1;
115 dw1
= GEN6_SF_STATISTICS_ENABLE
;
117 if (brw
->sf
.viewport_transform_enable
)
118 dw1
|= GEN6_SF_VIEWPORT_TRANSFORM_ENABLE
;
121 dw1
|= (brw_depthbuffer_format(brw
) << GEN7_SF_DEPTH_BUFFER_SURFACE_FORMAT_SHIFT
);
124 if (ctx
->Polygon
._FrontBit
== render_to_fbo
)
125 dw1
|= GEN6_SF_WINDING_CCW
;
127 if (ctx
->Polygon
.OffsetFill
)
128 dw1
|= GEN6_SF_GLOBAL_DEPTH_OFFSET_SOLID
;
130 if (ctx
->Polygon
.OffsetLine
)
131 dw1
|= GEN6_SF_GLOBAL_DEPTH_OFFSET_WIREFRAME
;
133 if (ctx
->Polygon
.OffsetPoint
)
134 dw1
|= GEN6_SF_GLOBAL_DEPTH_OFFSET_POINT
;
136 switch (ctx
->Polygon
.FrontMode
) {
138 dw1
|= GEN6_SF_FRONT_SOLID
;
142 dw1
|= GEN6_SF_FRONT_WIREFRAME
;
146 dw1
|= GEN6_SF_FRONT_POINT
;
150 unreachable("not reached");
153 switch (ctx
->Polygon
.BackMode
) {
155 dw1
|= GEN6_SF_BACK_SOLID
;
159 dw1
|= GEN6_SF_BACK_WIREFRAME
;
163 dw1
|= GEN6_SF_BACK_POINT
;
167 unreachable("not reached");
172 if (ctx
->Polygon
.CullFlag
) {
173 switch (ctx
->Polygon
.CullFaceMode
) {
175 dw2
|= GEN6_SF_CULL_FRONT
;
178 dw2
|= GEN6_SF_CULL_BACK
;
180 case GL_FRONT_AND_BACK
:
181 dw2
|= GEN6_SF_CULL_BOTH
;
184 unreachable("not reached");
187 dw2
|= GEN6_SF_CULL_NONE
;
190 /* _NEW_SCISSOR _NEW_POLYGON BRW_NEW_GEOMETRY_PROGRAM BRW_NEW_PRIMITIVE */
191 if (ctx
->Scissor
.EnableFlags
||
192 brw_is_drawing_points(brw
) || brw_is_drawing_lines(brw
))
193 dw2
|= GEN6_SF_SCISSOR_ENABLE
;
197 uint32_t line_width_u3_7
= brw_get_line_width(brw
);
198 dw2
|= line_width_u3_7
<< GEN6_SF_LINE_WIDTH_SHIFT
;
200 if (ctx
->Line
.SmoothFlag
) {
201 dw2
|= GEN6_SF_LINE_AA_ENABLE
;
202 dw2
|= GEN6_SF_LINE_END_CAP_WIDTH_1_0
;
204 if (ctx
->Line
.StippleFlag
&& brw
->is_haswell
) {
205 dw2
|= HSW_SF_LINE_STIPPLE_ENABLE
;
207 /* _NEW_MULTISAMPLE */
208 if (multisampled_fbo
&& ctx
->Multisample
.Enabled
)
209 dw2
|= GEN6_SF_MSRAST_ON_PATTERN
;
211 /* FINISHME: Last Pixel Enable? Vertex Sub Pixel Precision Select?
214 dw3
= GEN6_SF_LINE_AA_MODE_TRUE
;
216 /* _NEW_PROGRAM | _NEW_POINT, BRW_NEW_VUE_MAP_GEOM_OUT */
217 if (use_state_point_size(brw
))
218 dw3
|= GEN6_SF_USE_STATE_POINT_WIDTH
;
220 /* _NEW_POINT - Clamp to ARB_point_parameters user limits */
221 point_size
= CLAMP(ctx
->Point
.Size
, ctx
->Point
.MinSize
, ctx
->Point
.MaxSize
);
223 /* Clamp to the hardware limits and convert to fixed point */
224 dw3
|= U_FIXED(CLAMP(point_size
, 0.125f
, 255.875f
), 3);
227 if (ctx
->Light
.ProvokingVertex
!= GL_FIRST_VERTEX_CONVENTION
) {
229 (2 << GEN6_SF_TRI_PROVOKE_SHIFT
) |
230 (2 << GEN6_SF_TRIFAN_PROVOKE_SHIFT
) |
231 (1 << GEN6_SF_LINE_PROVOKE_SHIFT
);
233 dw3
|= (1 << GEN6_SF_TRIFAN_PROVOKE_SHIFT
);
237 OUT_BATCH(_3DSTATE_SF
<< 16 | (7 - 2));
241 OUT_BATCH_F(ctx
->Polygon
.OffsetUnits
* 2); /* constant. copied from gen4 */
242 OUT_BATCH_F(ctx
->Polygon
.OffsetFactor
); /* scale */
243 OUT_BATCH_F(ctx
->Polygon
.OffsetClamp
); /* global depth offset clamp */
247 const struct brw_tracked_state gen7_sf_state
= {
249 .mesa
= _NEW_BUFFERS
|
257 .brw
= BRW_NEW_BLORP
|
260 BRW_NEW_VUE_MAP_GEOM_OUT
,
262 .emit
= upload_sf_state
,