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 bool flushed = false;
41
42 I915_DBG(DBG_BLIT, "%s dst:buf(%p)/%d+%d %d,%d sz:%dx%d\n", __func__,
43 dst_buffer, dst_pitch, dst_offset, x, y, w, h);
44
45 switch (cpp) {
46 case 1:
47 case 2:
48 case 3:
49 BR13 = (((int)dst_pitch) & 0xffff) | (0xF0 << 16) | (1 << 24);
50 CMD = XY_COLOR_BLT_CMD;
51 break;
52 case 4:
53 BR13 = (((int)dst_pitch) & 0xffff) | (0xF0 << 16) | (1 << 24) | (1 << 25);
54 CMD = (XY_COLOR_BLT_CMD | rgba_mask);
55 break;
56 default:
57 return;
58 }
59
60 i915_winsys_batchbuffer_emit_start(i915->batch);
61 while (true) {
62 if (!BEGIN_BATCH(6)) {
63 FLUSH_BATCH(NULL, I915_FLUSH_ASYNC);
64 assert(BEGIN_BATCH(6));
65 }
66 OUT_BATCH(CMD);
67 OUT_BATCH(BR13);
68 OUT_BATCH((y << 16) | x);
69 OUT_BATCH(((y + h) << 16) | (x + w));
70 OUT_RELOC_FENCED(dst_buffer, I915_USAGE_2D_TARGET, dst_offset);
71 OUT_BATCH(color);
72 if (flushed || i915_winsys_validate_buffers(i915->batch, &dst_buffer, 0))
73 break;
74 i915_winsys_batchbuffer_emit_restart(i915->batch);
75 FLUSH_BATCH(NULL, I915_FLUSH_ASYNC);
76 assert(i915_winsys_validate_buffers(i915->batch, &dst_buffer, 0));
77 flushed = true;
78 }
79 i915_set_flush_dirty(i915, I915_FLUSH_CACHE);
80 }
81
82 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)83 i915_copy_blit(struct i915_context *i915, unsigned cpp,
84 unsigned short src_pitch, struct i915_winsys_buffer *src_buffer,
85 unsigned src_offset, unsigned short dst_pitch,
86 struct i915_winsys_buffer *dst_buffer, unsigned dst_offset,
87 short src_x, short src_y, short dst_x, short dst_y, short w,
88 short h)
89 {
90 unsigned CMD, BR13;
91 int dst_y2 = dst_y + h;
92 int dst_x2 = dst_x + w;
93 bool flushed = false;
94
95 I915_DBG(DBG_BLIT,
96 "%s src:buf(%p)/%d+%d %d,%d dst:buf(%p)/%d+%d %d,%d sz:%dx%d\n",
97 __func__, src_buffer, src_pitch, src_offset, src_x, src_y,
98 dst_buffer, dst_pitch, dst_offset, dst_x, dst_y, w, h);
99
100 switch (cpp) {
101 case 1:
102 case 2:
103 case 3:
104 BR13 = (((int)dst_pitch) & 0xffff) | (0xCC << 16) | (1 << 24);
105 CMD = XY_SRC_COPY_BLT_CMD;
106 break;
107 case 4:
108 BR13 = (((int)dst_pitch) & 0xffff) | (0xCC << 16) | (1 << 24) | (1 << 25);
109 CMD = (XY_SRC_COPY_BLT_CMD | XY_SRC_COPY_BLT_WRITE_ALPHA |
110 XY_SRC_COPY_BLT_WRITE_RGB);
111 break;
112 default:
113 return;
114 }
115
116 if (dst_y2 < dst_y || dst_x2 < dst_x) {
117 return;
118 }
119
120 /* Hardware can handle negative pitches but loses the ability to do
121 * proper overlapping blits in that case. We don't really have a
122 * need for either at this stage.
123 */
124 assert(dst_pitch > 0 && src_pitch > 0);
125
126 i915_winsys_batchbuffer_emit_start(i915->batch);
127 while (true) {
128 if (!BEGIN_BATCH(8)) {
129 FLUSH_BATCH(NULL, I915_FLUSH_ASYNC);
130 assert(BEGIN_BATCH(8));
131 }
132 OUT_BATCH(CMD);
133 OUT_BATCH(BR13);
134 OUT_BATCH((dst_y << 16) | dst_x);
135 OUT_BATCH((dst_y2 << 16) | dst_x2);
136 OUT_RELOC_FENCED(dst_buffer, I915_USAGE_2D_TARGET, dst_offset);
137 OUT_BATCH((src_y << 16) | src_x);
138 OUT_BATCH(((int)src_pitch & 0xffff));
139 OUT_RELOC_FENCED(src_buffer, I915_USAGE_2D_SOURCE, src_offset);
140 if (flushed || i915_winsys_validate_buffers(i915->batch, &dst_buffer, 0))
141 break;
142 i915_winsys_batchbuffer_emit_restart(i915->batch);
143 FLUSH_BATCH(NULL, I915_FLUSH_ASYNC);
144 assert(i915_winsys_validate_buffers(i915->batch, &dst_buffer, 0));
145 flushed = true;
146 }
147 i915_set_flush_dirty(i915, I915_FLUSH_CACHE);
148 }
149