summaryrefslogtreecommitdiff
path: root/lib/rendercopy_i830.c
blob: 04215b1b0bb20fb45e7011e8222fe8adb6ffc20f (plain)
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
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
#include <stdlib.h>
#include <sys/ioctl.h>
#include <stdio.h>
#include <string.h>
#include <assert.h>
#include <fcntl.h>
#include <inttypes.h>
#include <errno.h>
#include <sys/stat.h>
#include <sys/time.h>
#include "drm.h"
#include "i915_drm.h"
#include "drmtest.h"
#include "intel_bufmgr.h"
#include "intel_batchbuffer.h"
#include "intel_io.h"

#include "i830_reg.h"
#include "rendercopy.h"

#define TB0C_LAST_STAGE	(1 << 31)
#define TB0C_RESULT_SCALE_1X		(0 << 29)
#define TB0C_RESULT_SCALE_2X		(1 << 29)
#define TB0C_RESULT_SCALE_4X		(2 << 29)
#define TB0C_OP_ARG1			(1 << 25)
#define TB0C_OP_MODULE			(3 << 25)
#define TB0C_OUTPUT_WRITE_CURRENT	(0 << 24)
#define TB0C_OUTPUT_WRITE_ACCUM		(1 << 24)
#define TB0C_ARG3_REPLICATE_ALPHA 	(1<<23)
#define TB0C_ARG3_INVERT		(1<<22)
#define TB0C_ARG3_SEL_XXX
#define TB0C_ARG2_REPLICATE_ALPHA 	(1<<17)
#define TB0C_ARG2_INVERT		(1<<16)
#define TB0C_ARG2_SEL_ONE		(0 << 12)
#define TB0C_ARG2_SEL_FACTOR		(1 << 12)
#define TB0C_ARG2_SEL_TEXEL0		(6 << 12)
#define TB0C_ARG2_SEL_TEXEL1		(7 << 12)
#define TB0C_ARG2_SEL_TEXEL2		(8 << 12)
#define TB0C_ARG2_SEL_TEXEL3		(9 << 12)
#define TB0C_ARG1_REPLICATE_ALPHA 	(1<<11)
#define TB0C_ARG1_INVERT		(1<<10)
#define TB0C_ARG1_SEL_ONE		(0 << 6)
#define TB0C_ARG1_SEL_TEXEL0		(6 << 6)
#define TB0C_ARG1_SEL_TEXEL1		(7 << 6)
#define TB0C_ARG1_SEL_TEXEL2		(8 << 6)
#define TB0C_ARG1_SEL_TEXEL3		(9 << 6)
#define TB0C_ARG0_REPLICATE_ALPHA 	(1<<5)
#define TB0C_ARG0_SEL_XXX

#define TB0A_CTR_STAGE_ENABLE 		(1<<31)
#define TB0A_RESULT_SCALE_1X		(0 << 29)
#define TB0A_RESULT_SCALE_2X		(1 << 29)
#define TB0A_RESULT_SCALE_4X		(2 << 29)
#define TB0A_OP_ARG1			(1 << 25)
#define TB0A_OP_MODULE			(3 << 25)
#define TB0A_OUTPUT_WRITE_CURRENT	(0<<24)
#define TB0A_OUTPUT_WRITE_ACCUM		(1<<24)
#define TB0A_CTR_STAGE_SEL_BITS_XXX
#define TB0A_ARG3_SEL_XXX
#define TB0A_ARG3_INVERT		(1<<17)
#define TB0A_ARG2_INVERT		(1<<16)
#define TB0A_ARG2_SEL_ONE		(0 << 12)
#define TB0A_ARG2_SEL_TEXEL0		(6 << 12)
#define TB0A_ARG2_SEL_TEXEL1		(7 << 12)
#define TB0A_ARG2_SEL_TEXEL2		(8 << 12)
#define TB0A_ARG2_SEL_TEXEL3		(9 << 12)
#define TB0A_ARG1_INVERT		(1<<10)
#define TB0A_ARG1_SEL_ONE		(0 << 6)
#define TB0A_ARG1_SEL_TEXEL0		(6 << 6)
#define TB0A_ARG1_SEL_TEXEL1		(7 << 6)
#define TB0A_ARG1_SEL_TEXEL2		(8 << 6)
#define TB0A_ARG1_SEL_TEXEL3		(9 << 6)


static void gen2_emit_invariant(struct intel_batchbuffer *batch)
{
	int i;

	for (i = 0; i < 4; i++) {
		OUT_BATCH(_3DSTATE_MAP_CUBE | MAP_UNIT(i));
		OUT_BATCH(_3DSTATE_MAP_TEX_STREAM_CMD | MAP_UNIT(i) |
			  DISABLE_TEX_STREAM_BUMP |
			  ENABLE_TEX_STREAM_COORD_SET | TEX_STREAM_COORD_SET(i) |
			  ENABLE_TEX_STREAM_MAP_IDX | TEX_STREAM_MAP_IDX(i));
		OUT_BATCH(_3DSTATE_MAP_COORD_TRANSFORM);
		OUT_BATCH(DISABLE_TEX_TRANSFORM | TEXTURE_SET(i));
	}

	OUT_BATCH(_3DSTATE_MAP_COORD_SETBIND_CMD);
	OUT_BATCH(TEXBIND_SET3(TEXCOORDSRC_VTXSET_3) |
		  TEXBIND_SET2(TEXCOORDSRC_VTXSET_2) |
		  TEXBIND_SET1(TEXCOORDSRC_VTXSET_1) |
		  TEXBIND_SET0(TEXCOORDSRC_VTXSET_0));

	OUT_BATCH(_3DSTATE_SCISSOR_ENABLE_CMD | DISABLE_SCISSOR_RECT);

	OUT_BATCH(_3DSTATE_VERTEX_TRANSFORM);
	OUT_BATCH(DISABLE_VIEWPORT_TRANSFORM | DISABLE_PERSPECTIVE_DIVIDE);

	OUT_BATCH(_3DSTATE_W_STATE_CMD);
	OUT_BATCH(MAGIC_W_STATE_DWORD1);
	OUT_BATCH(0x3f800000 /* 1.0 in IEEE float */ );

	OUT_BATCH(_3DSTATE_INDPT_ALPHA_BLEND_CMD |
		  DISABLE_INDPT_ALPHA_BLEND |
		  ENABLE_ALPHA_BLENDFUNC | ABLENDFUNC_ADD);

	OUT_BATCH(_3DSTATE_CONST_BLEND_COLOR_CMD);
	OUT_BATCH(0);

	OUT_BATCH(_3DSTATE_MODES_1_CMD |
		  ENABLE_COLR_BLND_FUNC | BLENDFUNC_ADD |
		  ENABLE_SRC_BLND_FACTOR | SRC_BLND_FACT(BLENDFACTOR_ONE) |
		  ENABLE_DST_BLND_FACTOR | DST_BLND_FACT(BLENDFACTOR_ZERO));

	OUT_BATCH(_3DSTATE_ENABLES_1_CMD |
		  DISABLE_LOGIC_OP |
		  DISABLE_STENCIL_TEST |
		  DISABLE_DEPTH_BIAS |
		  DISABLE_SPEC_ADD |
		  DISABLE_FOG |
		  DISABLE_ALPHA_TEST |
		  DISABLE_DEPTH_TEST |
		  ENABLE_COLOR_BLEND);

	OUT_BATCH(_3DSTATE_ENABLES_2_CMD |
		  DISABLE_STENCIL_WRITE |
		  DISABLE_DITHER |
		  DISABLE_DEPTH_WRITE |
		  ENABLE_COLOR_MASK |
		  ENABLE_COLOR_WRITE |
		  ENABLE_TEX_CACHE);
}

static void gen2_emit_target(struct intel_batchbuffer *batch,
			     struct igt_buf *dst)
{
	uint32_t tiling;

	tiling = 0;
	if (dst->tiling != I915_TILING_NONE)
		tiling = BUF_3D_TILED_SURFACE;
	if (dst->tiling == I915_TILING_Y)
		tiling |= BUF_3D_TILE_WALK_Y;

	OUT_BATCH(_3DSTATE_BUF_INFO_CMD);
	OUT_BATCH(BUF_3D_ID_COLOR_BACK | tiling | BUF_3D_PITCH(dst->stride));
	OUT_RELOC(dst->bo, I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER, 0);

	OUT_BATCH(_3DSTATE_DST_BUF_VARS_CMD);
	OUT_BATCH(COLR_BUF_ARGB8888 |
		  DSTORG_HORT_BIAS(0x8) |
		  DSTORG_VERT_BIAS(0x8));

	OUT_BATCH(_3DSTATE_DRAW_RECT_CMD);
	OUT_BATCH(0);
	OUT_BATCH(0);		/* ymin, xmin */
	OUT_BATCH(DRAW_YMAX(igt_buf_height(dst) - 1) |
		  DRAW_XMAX(igt_buf_width(dst) - 1));
	OUT_BATCH(0);		/* yorig, xorig */
}

static void gen2_emit_texture(struct intel_batchbuffer *batch,
			      struct igt_buf *src,
			      int unit)
{
	uint32_t tiling;

	tiling = 0;
	if (src->tiling != I915_TILING_NONE)
		tiling = TM0S1_TILED_SURFACE;
	if (src->tiling == I915_TILING_Y)
		tiling |= TM0S1_TILE_WALK;

	OUT_BATCH(_3DSTATE_LOAD_STATE_IMMEDIATE_2 | LOAD_TEXTURE_MAP(unit) | 4);
	OUT_RELOC(src->bo, I915_GEM_DOMAIN_SAMPLER, 0, 0);
	OUT_BATCH((igt_buf_height(src) - 1) << TM0S1_HEIGHT_SHIFT |
		  (igt_buf_width(src) - 1) << TM0S1_WIDTH_SHIFT |
		  MAPSURF_32BIT | MT_32BIT_ARGB8888 | tiling);
	OUT_BATCH((src->stride / 4 - 1) << TM0S2_PITCH_SHIFT | TM0S2_MAP_2D);
	OUT_BATCH(FILTER_NEAREST << TM0S3_MAG_FILTER_SHIFT |
		  FILTER_NEAREST << TM0S3_MIN_FILTER_SHIFT |
		  MIPFILTER_NONE << TM0S3_MIP_FILTER_SHIFT);
	OUT_BATCH(0);	/* default color */

	OUT_BATCH(_3DSTATE_MAP_COORD_SET_CMD | TEXCOORD_SET(unit) |
		  ENABLE_TEXCOORD_PARAMS | TEXCOORDS_ARE_NORMAL |
		  TEXCOORDTYPE_CARTESIAN |
		  ENABLE_ADDR_V_CNTL | TEXCOORD_ADDR_V_MODE(TEXCOORDMODE_CLAMP_BORDER) |
		  ENABLE_ADDR_U_CNTL | TEXCOORD_ADDR_U_MODE(TEXCOORDMODE_CLAMP_BORDER));
}

static void gen2_emit_copy_pipeline(struct intel_batchbuffer *batch)
{
	OUT_BATCH(_3DSTATE_INDPT_ALPHA_BLEND_CMD | DISABLE_INDPT_ALPHA_BLEND);
	OUT_BATCH(_3DSTATE_ENABLES_1_CMD | DISABLE_LOGIC_OP |
		  DISABLE_STENCIL_TEST | DISABLE_DEPTH_BIAS |
		  DISABLE_SPEC_ADD | DISABLE_FOG | DISABLE_ALPHA_TEST |
		  DISABLE_COLOR_BLEND | DISABLE_DEPTH_TEST);

	OUT_BATCH(_3DSTATE_LOAD_STATE_IMMEDIATE_2 |
		  LOAD_TEXTURE_BLEND_STAGE(0) | 1);
	OUT_BATCH(TB0C_LAST_STAGE | TB0C_RESULT_SCALE_1X |
		  TB0C_OUTPUT_WRITE_CURRENT |
		  TB0C_OP_ARG1 | TB0C_ARG1_SEL_TEXEL0);
	OUT_BATCH(TB0A_RESULT_SCALE_1X | TB0A_OUTPUT_WRITE_CURRENT |
		  TB0A_OP_ARG1 | TB0A_ARG1_SEL_TEXEL0);
}

void gen2_render_copyfunc(struct intel_batchbuffer *batch,
			  drm_intel_context *context,
			  struct igt_buf *src, unsigned src_x, unsigned src_y,
			  unsigned width, unsigned height,
			  struct igt_buf *dst, unsigned dst_x, unsigned dst_y)
{
	gen2_emit_invariant(batch);
	gen2_emit_copy_pipeline(batch);

	gen2_emit_target(batch, dst);
	gen2_emit_texture(batch, src, 0);

	OUT_BATCH(_3DSTATE_LOAD_STATE_IMMEDIATE_1 |
		  I1_LOAD_S(2) | I1_LOAD_S(3) | I1_LOAD_S(8) | 2);
	OUT_BATCH(1<<12);
	OUT_BATCH(S3_CULLMODE_NONE | S3_VERTEXHAS_XY);
	OUT_BATCH(S8_ENABLE_COLOR_BUFFER_WRITE);

	OUT_BATCH(_3DSTATE_VERTEX_FORMAT_2_CMD | TEXCOORDFMT_2D << 0);

	OUT_BATCH(PRIM3D_INLINE | PRIM3D_RECTLIST | (3*4 -1));
	emit_vertex(batch, dst_x + width);
	emit_vertex(batch, dst_y + height);
	emit_vertex_normalized(batch, src_x + width, igt_buf_width(src));
	emit_vertex_normalized(batch, src_y + height, igt_buf_height(src));

	emit_vertex(batch, dst_x);
	emit_vertex(batch, dst_y + height);
	emit_vertex_normalized(batch, src_x, igt_buf_width(src));
	emit_vertex_normalized(batch, src_y + height, igt_buf_height(src));

	emit_vertex(batch, dst_x);
	emit_vertex(batch, dst_y);
	emit_vertex_normalized(batch, src_x, igt_buf_width(src));
	emit_vertex_normalized(batch, src_y, igt_buf_height(src));

	intel_batchbuffer_flush(batch);
}