1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
|
/*
* Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com>
* Joakim Sindholt <opensource@zhasha.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* on the rights to use, copy, modify, merge, publish, distribute, sub
* license, and/or sell copies of the Software, and to permit persons to whom
* the Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
* THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
* USE OR OTHER DEALINGS IN THE SOFTWARE. */
#include "r300_surface.h"
static void r300_surface_setup(struct pipe_context* pipe,
struct pipe_surface* dest,
unsigned x, unsigned y,
unsigned w, unsigned h)
{
struct r300_context* r300 = r300_context(pipe);
CS_LOCALS(r300);
struct r300_capabilities* caps = r300_screen(pipe->screen)->caps;
struct r300_texture* tex = (struct r300_texture*)dest->texture;
unsigned pixpitch = tex->stride / tex->tex.block.size;
r300_emit_blend_state(r300, &blend_clear_state);
r300_emit_blend_color_state(r300, &blend_color_clear_state);
r300_emit_dsa_state(r300, &dsa_clear_state);
r300_emit_rs_state(r300, &rs_clear_state);
BEGIN_CS(15);
/* Pixel scissors. */
OUT_CS_REG_SEQ(R300_SC_SCISSORS_TL, 2);
if (caps->is_r500) {
OUT_CS((x << R300_SCISSORS_X_SHIFT) | (y << R300_SCISSORS_Y_SHIFT));
OUT_CS((w << R300_SCISSORS_X_SHIFT) | (h << R300_SCISSORS_Y_SHIFT));
} else {
/* Non-R500 chipsets have an offset of 1440 in their scissors. */
OUT_CS(((x + 1440) << R300_SCISSORS_X_SHIFT) |
((y + 1440) << R300_SCISSORS_Y_SHIFT));
OUT_CS(((w + 1440) << R300_SCISSORS_X_SHIFT) |
((h + 1440) << R300_SCISSORS_Y_SHIFT));
}
/* Flush colorbuffer and blend caches. */
OUT_CS_REG(R300_RB3D_DSTCACHE_CTLSTAT,
R300_RB3D_DSTCACHE_CTLSTAT_DC_FLUSH_FLUSH_DIRTY_3D |
R300_RB3D_DSTCACHE_CTLSTAT_DC_FINISH_SIGNAL);
OUT_CS_REG(R300_ZB_ZCACHE_CTLSTAT,
R300_ZB_ZCACHE_CTLSTAT_ZC_FLUSH_FLUSH_AND_FREE |
R300_ZB_ZCACHE_CTLSTAT_ZC_FREE_FREE);
/* Setup colorbuffer. */
OUT_CS_REG_SEQ(R300_RB3D_COLOROFFSET0, 1);
OUT_CS_RELOC(tex->buffer, 0, 0, RADEON_GEM_DOMAIN_VRAM, 0);
OUT_CS_REG(R300_RB3D_COLORPITCH0, pixpitch |
r300_translate_colorformat(tex->tex.format));
OUT_CS_REG(RB3D_COLOR_CHANNEL_MASK, 0xf);
END_CS;
}
/* Provides pipe_context's "surface_fill". Commonly used for clearing
* buffers. */
static void r300_surface_fill(struct pipe_context* pipe,
struct pipe_surface* dest,
unsigned x, unsigned y,
unsigned w, unsigned h,
unsigned color)
{
struct r300_context* r300 = r300_context(pipe);
CS_LOCALS(r300);
struct r300_capabilities* caps = r300_screen(pipe->screen)->caps;
struct r300_texture* tex = (struct r300_texture*)dest->texture;
int i;
float r, g, b, a, depth;
unsigned pixpitch = tex->stride / tex->tex.block.size;
r = (float)((color >> 16) & 0xff) / 255.0f;
g = (float)((color >> 8) & 0xff) / 255.0f;
b = (float)((color >> 0) & 0xff) / 255.0f;
debug_printf("r300: Filling surface %p at (%d,%d),"
" dimensions %dx%d (pixel pitch %d), color 0x%x\n",
dest, x, y, w, h, pixpitch, color);
/* Fallback? */
if (tex->tex.format != PIPE_FORMAT_A8R8G8B8_UNORM) {
debug_printf("r300: Falling back on surface clear...");
util_surface_fill(pipe, dest, x, y, w, h, color);
return;
}
r300_surface_setup(r300, dest, x, y, w, h);
/* Fragment shader setup */
if (caps->is_r500) {
r500_emit_fragment_shader(r300, &r500_passthrough_fragment_shader);
r300_emit_rs_block_state(r300, &r500_rs_block_clear_state);
} else {
r300_emit_fragment_shader(r300, &r300_passthrough_fragment_shader);
r300_emit_rs_block_state(r300, &r300_rs_block_clear_state);
}
BEGIN_CS(21);
/* Viewport setup */
OUT_CS_REG_SEQ(R300_SE_VPORT_XSCALE, 6);
OUT_CS_32F(1.0);
OUT_CS_32F((float)x);
OUT_CS_32F(1.0);
OUT_CS_32F((float)y);
OUT_CS_32F(1.0);
OUT_CS_32F(0.0);
/* The size of the point we're about to draw, in sixths of pixels */
OUT_CS_REG(R300_GA_POINT_SIZE,
((h * 6) & R300_POINTSIZE_Y_MASK) |
((w * 6) << R300_POINTSIZE_X_SHIFT));
/* Packet3 with our point vertex */
OUT_CS_PKT3(R200_3D_DRAW_IMMD_2, 8);
OUT_CS(R300_PRIM_TYPE_POINT | R300_PRIM_WALK_RING |
(1 << R300_PRIM_NUM_VERTICES_SHIFT));
OUT_CS_32F(w / 2.0);
OUT_CS_32F(h / 2.0);
/* XXX this should be the depth value to clear to */
OUT_CS_32F(1.0);
OUT_CS_32F(1.0);
OUT_CS_32F(r);
OUT_CS_32F(g);
OUT_CS_32F(b);
OUT_CS_32F(1.0);
/* XXX figure out why this is 0xA and not 0x2 */
OUT_CS_REG(R300_RB3D_DSTCACHE_CTLSTAT, 0xA);
/* XXX OUT_CS_REG(R300_ZB_ZCACHE_CTLSTAT,
R300_ZB_ZCACHE_CTLSTAT_ZC_FLUSH_FLUSH_AND_FREE |
R300_ZB_ZCACHE_CTLSTAT_ZC_FREE_FREE); */
END_CS;
r300->dirty_hw++;
}
static void r300_surface_copy(struct pipe_context* pipe,
struct pipe_surface* dest,
unsigned destx, unsigned desty,
struct pipe_surface* src,
unsigned srcx, unsigned srcy,
unsigned w, unsigned h)
{
struct r300_context* r300 = r300_context(pipe);
CS_LOCALS(r300);
struct r300_texture* srctex = (struct r300_texture*)src->texture;
struct r300_texture* desttex = (struct r300_texture*)dest->texture;
unsigned pixpitch = srctex->stride / srctex->tex.block.size;
debug_printf("r300: Copying surface %p at (%d,%d) to %p at (%d, %d),"
" dimensions %dx%d (pixel pitch %d)\n",
src, srcx, srcy, dest, destx, desty, w, h, pixpitch);
/* if ((srctex == desttex) &&
((destx < srcx + w) || (srcx < destx + w)) &&
((desty < srcy + h) || (srcy < destx + h))) { */
if (TRUE) {
debug_printf("r300: Falling back on surface_copy\n");
return util_surface_copy(pipe, FALSE, dest, destx, desty, src,
srcx, srcy, w, h);
}
}
void r300_init_surface_functions(struct r300_context* r300)
{
r300->context.surface_fill = r300_surface_fill;
r300->context.surface_copy = r300_surface_copy;
}
|
