1 /**************************************************************************
2 *
3 * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
4 * All Rights Reserved.
5 *
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:
13 *
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
16 * of the Software.
17 *
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.
25 *
26 **************************************************************************/
27
28
29 #include "i915_blit.h"
30 #include "i915_reg.h"
31 #include "i915_batch.h"
32 #include "i915_debug.h"
33
34
35 void
i915_fill_blit(struct i915_context * i915,unsigned cpp,unsigned rgba_mask,unsigned short dst_pitch,struct i915_winsys_buffer * dst_buffer,unsigned dst_offset,short x,short y,short w,short h,unsigned color)36 i915_fill_blit(struct i915_context *i915,
37 unsigned cpp,
38 unsigned rgba_mask,
39 unsigned short dst_pitch,
40 struct i915_winsys_buffer *dst_buffer,
41 unsigned dst_offset,
42 short x, short y,
43 short w, short h,
44 unsigned color)
45 {
46 unsigned BR13, CMD;
47
48
49 I915_DBG(DBG_BLIT, "%s dst:buf(%p)/%d+%d %d,%d sz:%dx%d\n",
50 __FUNCTION__, dst_buffer, dst_pitch, dst_offset, x, y, w, h);
51
52 if(!i915_winsys_validate_buffers(i915->batch, &dst_buffer, 1)) {
53 FLUSH_BATCH(NULL);
54 assert(i915_winsys_validate_buffers(i915->batch, &dst_buffer, 1));
55 }
56
57 switch (cpp) {
58 case 1:
59 case 2:
60 case 3:
61 BR13 = (((int) dst_pitch) & 0xffff) |
62 (0xF0 << 16) | (1 << 24);
63 CMD = XY_COLOR_BLT_CMD;
64 break;
65 case 4:
66 BR13 = (((int) dst_pitch) & 0xffff) |
67 (0xF0 << 16) | (1 << 24) | (1 << 25);
68 CMD = (XY_COLOR_BLT_CMD | rgba_mask);
69 break;
70 default:
71 return;
72 }
73
74 if (!BEGIN_BATCH(6)) {
75 FLUSH_BATCH(NULL);
76 assert(BEGIN_BATCH(6));
77 }
78 OUT_BATCH(CMD);
79 OUT_BATCH(BR13);
80 OUT_BATCH((y << 16) | x);
81 OUT_BATCH(((y + h) << 16) | (x + w));
82 OUT_RELOC_FENCED(dst_buffer, I915_USAGE_2D_TARGET, dst_offset);
83 OUT_BATCH(color);
84
85 i915_set_flush_dirty(i915, I915_FLUSH_CACHE);
86 }
87
88 void
i915_copy_blit(struct i915_context * i915,unsigned cpp,unsigned short src_pitch,struct i915_winsys_buffer * src_buffer,unsigned src_offset,unsigned short dst_pitch,struct i915_winsys_buffer * dst_buffer,unsigned dst_offset,short src_x,short src_y,short dst_x,short dst_y,short w,short h)89 i915_copy_blit(struct i915_context *i915,
90 unsigned cpp,
91 unsigned short src_pitch,
92 struct i915_winsys_buffer *src_buffer,
93 unsigned src_offset,
94 unsigned short dst_pitch,
95 struct i915_winsys_buffer *dst_buffer,
96 unsigned dst_offset,
97 short src_x, short src_y,
98 short dst_x, short dst_y,
99 short w, short h)
100 {
101 unsigned CMD, BR13;
102 int dst_y2 = dst_y + h;
103 int dst_x2 = dst_x + w;
104 struct i915_winsys_buffer *buffers[2] = {src_buffer, dst_buffer};
105
106
107 I915_DBG(DBG_BLIT,
108 "%s src:buf(%p)/%d+%d %d,%d dst:buf(%p)/%d+%d %d,%d sz:%dx%d\n",
109 __FUNCTION__,
110 src_buffer, src_pitch, src_offset, src_x, src_y,
111 dst_buffer, dst_pitch, dst_offset, dst_x, dst_y, w, h);
112
113 if(!i915_winsys_validate_buffers(i915->batch, buffers, 2)) {
114 FLUSH_BATCH(NULL);
115 assert(i915_winsys_validate_buffers(i915->batch, buffers, 2));
116 }
117
118 switch (cpp) {
119 case 1:
120 case 2:
121 case 3:
122 BR13 = (((int) dst_pitch) & 0xffff) |
123 (0xCC << 16) | (1 << 24);
124 CMD = XY_SRC_COPY_BLT_CMD;
125 break;
126 case 4:
127 BR13 = (((int) dst_pitch) & 0xffff) |
128 (0xCC << 16) | (1 << 24) | (1 << 25);
129 CMD = (XY_SRC_COPY_BLT_CMD | XY_SRC_COPY_BLT_WRITE_ALPHA |
130 XY_SRC_COPY_BLT_WRITE_RGB);
131 break;
132 default:
133 return;
134 }
135
136 if (dst_y2 < dst_y || dst_x2 < dst_x) {
137 return;
138 }
139
140 /* Hardware can handle negative pitches but loses the ability to do
141 * proper overlapping blits in that case. We don't really have a
142 * need for either at this stage.
143 */
144 assert (dst_pitch > 0 && src_pitch > 0);
145
146 if (!BEGIN_BATCH(8)) {
147 FLUSH_BATCH(NULL);
148 assert(BEGIN_BATCH(8));
149 }
150 OUT_BATCH(CMD);
151 OUT_BATCH(BR13);
152 OUT_BATCH((dst_y << 16) | dst_x);
153 OUT_BATCH((dst_y2 << 16) | dst_x2);
154 OUT_RELOC_FENCED(dst_buffer, I915_USAGE_2D_TARGET, dst_offset);
155 OUT_BATCH((src_y << 16) | src_x);
156 OUT_BATCH(((int) src_pitch & 0xffff));
157 OUT_RELOC_FENCED(src_buffer, I915_USAGE_2D_SOURCE, src_offset);
158
159 i915_set_flush_dirty(i915, I915_FLUSH_CACHE);
160 }
161