1 /**************************************************************************
2 *
3 * Copyright 2003 VMware, Inc.
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 VMWARE 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 #include "i915_blit.h"
29 #include "i915_batch.h"
30 #include "i915_debug.h"
31 #include "i915_reg.h"
32
33 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)34 i915_fill_blit(struct i915_context *i915, unsigned cpp, unsigned rgba_mask,
35 unsigned short dst_pitch, struct i915_winsys_buffer *dst_buffer,
36 unsigned dst_offset, short x, short y, short w, short h,
37 unsigned color)
38 {
39 unsigned BR13, CMD;
40
41 I915_DBG(DBG_BLIT, "%s dst:buf(%p)/%d+%d %d,%d sz:%dx%d\n", __FUNCTION__,
42 dst_buffer, dst_pitch, dst_offset, x, y, w, h);
43
44 if (!i915_winsys_validate_buffers(i915->batch, &dst_buffer, 1)) {
45 FLUSH_BATCH(NULL, I915_FLUSH_ASYNC);
46 assert(i915_winsys_validate_buffers(i915->batch, &dst_buffer, 1));
47 }
48
49 switch (cpp) {
50 case 1:
51 case 2:
52 case 3:
53 BR13 = (((int)dst_pitch) & 0xffff) | (0xF0 << 16) | (1 << 24);
54 CMD = XY_COLOR_BLT_CMD;
55 break;
56 case 4:
57 BR13 = (((int)dst_pitch) & 0xffff) | (0xF0 << 16) | (1 << 24) | (1 << 25);
58 CMD = (XY_COLOR_BLT_CMD | rgba_mask);
59 break;
60 default:
61 return;
62 }
63
64 if (!BEGIN_BATCH(6)) {
65 FLUSH_BATCH(NULL, I915_FLUSH_ASYNC);
66 assert(BEGIN_BATCH(6));
67 }
68 OUT_BATCH(CMD);
69 OUT_BATCH(BR13);
70 OUT_BATCH((y << 16) | x);
71 OUT_BATCH(((y + h) << 16) | (x + w));
72 OUT_RELOC_FENCED(dst_buffer, I915_USAGE_2D_TARGET, dst_offset);
73 OUT_BATCH(color);
74
75 i915_set_flush_dirty(i915, I915_FLUSH_CACHE);
76 }
77
78 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)79 i915_copy_blit(struct i915_context *i915, unsigned cpp,
80 unsigned short src_pitch, struct i915_winsys_buffer *src_buffer,
81 unsigned src_offset, unsigned short dst_pitch,
82 struct i915_winsys_buffer *dst_buffer, unsigned dst_offset,
83 short src_x, short src_y, short dst_x, short dst_y, short w,
84 short h)
85 {
86 unsigned CMD, BR13;
87 int dst_y2 = dst_y + h;
88 int dst_x2 = dst_x + w;
89 struct i915_winsys_buffer *buffers[2] = {src_buffer, dst_buffer};
90
91 I915_DBG(DBG_BLIT,
92 "%s src:buf(%p)/%d+%d %d,%d dst:buf(%p)/%d+%d %d,%d sz:%dx%d\n",
93 __FUNCTION__, src_buffer, src_pitch, src_offset, src_x, src_y,
94 dst_buffer, dst_pitch, dst_offset, dst_x, dst_y, w, h);
95
96 if (!i915_winsys_validate_buffers(i915->batch, buffers, 2)) {
97 FLUSH_BATCH(NULL, I915_FLUSH_ASYNC);
98 assert(i915_winsys_validate_buffers(i915->batch, buffers, 2));
99 }
100
101 switch (cpp) {
102 case 1:
103 case 2:
104 case 3:
105 BR13 = (((int)dst_pitch) & 0xffff) | (0xCC << 16) | (1 << 24);
106 CMD = XY_SRC_COPY_BLT_CMD;
107 break;
108 case 4:
109 BR13 = (((int)dst_pitch) & 0xffff) | (0xCC << 16) | (1 << 24) | (1 << 25);
110 CMD = (XY_SRC_COPY_BLT_CMD | XY_SRC_COPY_BLT_WRITE_ALPHA |
111 XY_SRC_COPY_BLT_WRITE_RGB);
112 break;
113 default:
114 return;
115 }
116
117 if (dst_y2 < dst_y || dst_x2 < dst_x) {
118 return;
119 }
120
121 /* Hardware can handle negative pitches but loses the ability to do
122 * proper overlapping blits in that case. We don't really have a
123 * need for either at this stage.
124 */
125 assert(dst_pitch > 0 && src_pitch > 0);
126
127 if (!BEGIN_BATCH(8)) {
128 FLUSH_BATCH(NULL, I915_FLUSH_ASYNC);
129 assert(BEGIN_BATCH(8));
130 }
131 OUT_BATCH(CMD);
132 OUT_BATCH(BR13);
133 OUT_BATCH((dst_y << 16) | dst_x);
134 OUT_BATCH((dst_y2 << 16) | dst_x2);
135 OUT_RELOC_FENCED(dst_buffer, I915_USAGE_2D_TARGET, dst_offset);
136 OUT_BATCH((src_y << 16) | src_x);
137 OUT_BATCH(((int)src_pitch & 0xffff));
138 OUT_RELOC_FENCED(src_buffer, I915_USAGE_2D_SOURCE, src_offset);
139
140 i915_set_flush_dirty(i915, I915_FLUSH_CACHE);
141 }
142