1 /**************************************************************************
3 * Copyright © 2010 Jakob Bornecrantz
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 * DEALINGS IN THE SOFTWARE.
24 **************************************************************************/
28 #include "i915_context.h"
29 #include "i915_state.h"
30 #include "i915_resource.h"
31 #include "i915_screen.h"
35 /***********************************************************************
36 * Update framebuffer state
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
;
45 case PIPE_FORMAT_B5G5R5A1_UNORM
:
46 return COLOR_BUF_ARGB1555
;
47 case PIPE_FORMAT_R8G8B8A8_UNORM
:
48 return COLOR_BUF_ARGB8888
;
49 case PIPE_FORMAT_B4G4R4A4_UNORM
:
50 return COLOR_BUF_ARGB4444
;
51 case PIPE_FORMAT_B10G10R10A2_UNORM
:
52 return COLOR_BUF_ARGB2101010
;
53 case PIPE_FORMAT_L8_UNORM
:
54 case PIPE_FORMAT_A8_UNORM
:
55 case PIPE_FORMAT_I8_UNORM
:
56 return COLOR_BUF_8BIT
;
63 static unsigned translate_depth_format(enum pipe_format zformat
)
66 case PIPE_FORMAT_Z24X8_UNORM
:
67 case PIPE_FORMAT_Z24_UNORM_S8_USCALED
:
68 return DEPTH_FRMT_24_FIXED_8_OTHER
;
69 case PIPE_FORMAT_Z16_UNORM
:
70 return DEPTH_FRMT_16_FIXED
;
77 static inline uint32_t
78 buf_3d_tiling_bits(enum i915_winsys_buffer_tile tiling
)
80 uint32_t tiling_bits
= 0;
84 tiling_bits
|= BUF_3D_TILE_WALK_Y
;
86 tiling_bits
|= BUF_3D_TILED_SURFACE
;
94 static void update_framebuffer(struct i915_context
*i915
)
96 struct pipe_surface
*cbuf_surface
= i915
->framebuffer
.cbufs
[0];
97 struct pipe_surface
*depth_surface
= i915
->framebuffer
.zsbuf
;
100 uint32_t draw_offset
, draw_size
;
103 struct i915_texture
*tex
= i915_texture(cbuf_surface
->texture
);
106 i915
->current
.cbuf_bo
= tex
->buffer
;
107 i915
->current
.cbuf_flags
= BUF_3D_ID_COLOR_BACK
|
108 BUF_3D_PITCH(tex
->stride
) | /* pitch in bytes */
109 buf_3d_tiling_bits(tex
->tiling
);
111 layer
= cbuf_surface
->u
.tex
.first_layer
;
113 x
= tex
->image_offset
[cbuf_surface
->u
.tex
.level
][layer
].nblocksx
;
114 y
= tex
->image_offset
[cbuf_surface
->u
.tex
.level
][layer
].nblocksy
;
116 i915
->current
.cbuf_bo
= NULL
;
119 i915
->static_dirty
|= I915_DST_BUF_COLOR
;
121 /* What happens if no zbuf??
124 struct i915_texture
*tex
= i915_texture(depth_surface
->texture
);
125 unsigned offset
= i915_texture_offset(tex
, depth_surface
->u
.tex
.level
,
126 depth_surface
->u
.tex
.first_layer
);
130 i915
->current
.depth_bo
= tex
->buffer
;
131 i915
->current
.depth_flags
= BUF_3D_ID_DEPTH
|
132 BUF_3D_PITCH(tex
->stride
) | /* pitch in bytes */
133 buf_3d_tiling_bits(tex
->tiling
);
135 i915
->current
.depth_bo
= NULL
;
136 i915
->static_dirty
|= I915_DST_BUF_DEPTH
;
138 /* drawing rect calculations */
139 draw_offset
= x
| (y
<< 16);
140 draw_size
= (i915
->framebuffer
.width
- 1 + x
) |
141 ((i915
->framebuffer
.height
- 1 + y
) << 16);
142 if (i915
->current
.draw_offset
!= draw_offset
) {
143 i915
->current
.draw_offset
= draw_offset
;
144 i915_set_flush_dirty(i915
, I915_PIPELINE_FLUSH
);
145 i915
->static_dirty
|= I915_DST_RECT
;
147 if (i915
->current
.draw_size
!= draw_size
) {
148 i915
->current
.draw_size
= draw_size
;
149 i915
->static_dirty
|= I915_DST_RECT
;
152 /* we also send a new program to make sure the fixup for RGBA surfaces happens */
153 i915
->hardware_dirty
|= I915_HW_STATIC
| I915_HW_PROGRAM
;
155 /* flush the cache in case we sample from the old renderbuffers */
156 i915_set_flush_dirty(i915
, I915_FLUSH_CACHE
);
159 struct i915_tracked_state i915_hw_framebuffer
= {
165 static void update_dst_buf_vars(struct i915_context
*i915
)
167 struct pipe_surface
*cbuf_surface
= i915
->framebuffer
.cbufs
[0];
168 struct pipe_surface
*depth_surface
= i915
->framebuffer
.zsbuf
;
169 uint32_t dst_buf_vars
, cformat
, zformat
;
170 uint32_t early_z
= 0;
173 cformat
= cbuf_surface
->format
;
175 cformat
= PIPE_FORMAT_B8G8R8A8_UNORM
; /* arbitrary */
176 cformat
= translate_format(cformat
);
179 struct i915_texture
*tex
= i915_texture(depth_surface
->texture
);
180 struct i915_screen
*is
= i915_screen(i915
->base
.screen
);
182 zformat
= translate_depth_format(depth_surface
->format
);
184 if (is
->is_i945
&& tex
->tiling
!= I915_TILE_NONE
185 && !i915
->fs
->info
.writes_z
)
186 early_z
= CLASSIC_EARLY_DEPTH
;
190 dst_buf_vars
= DSTORG_HORT_BIAS(0x8) | /* .5 */
191 DSTORG_VERT_BIAS(0x8) | /* .5 */
193 TEX_DEFAULT_COLOR_OGL
|
198 if (i915
->current
.dst_buf_vars
!= dst_buf_vars
) {
199 if (early_z
!= (i915
->current
.dst_buf_vars
& CLASSIC_EARLY_DEPTH
))
200 i915_set_flush_dirty(i915
, I915_PIPELINE_FLUSH
);
202 i915
->current
.dst_buf_vars
= dst_buf_vars
;
203 i915
->static_dirty
|= I915_DST_VARS
;
204 i915
->hardware_dirty
|= I915_HW_STATIC
;
208 struct i915_tracked_state i915_hw_dst_buf_vars
= {
211 I915_NEW_FRAMEBUFFER
| I915_NEW_FS