1
/**************************************************************************
3
* Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
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:
14
* The above copyright notice and this permission notice (including the
15
* next paragraph) shall be included in all copies or substantial portions
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.
26
**************************************************************************/
29
#include "i830_context.h"
31
#include "intel_batchbuffer.h"
32
#include "intel_regions.h"
33
#include "tnl/t_context.h"
34
#include "tnl/t_vertex.h"
36
#define FILE_DEBUG_FLAG DEBUG_STATE
38
static GLboolean i830_check_vertex_size(struct intel_context *intel,
41
#define SZ_TO_HW(sz) ((sz-2)&0x3)
42
#define EMIT_SZ(sz) (EMIT_1F + (sz) - 1)
43
#define EMIT_ATTR( ATTR, STYLE, V0 ) \
45
intel->vertex_attrs[intel->vertex_attr_count].attrib = (ATTR); \
46
intel->vertex_attrs[intel->vertex_attr_count].format = (STYLE); \
47
intel->vertex_attr_count++; \
51
#define EMIT_PAD( N ) \
53
intel->vertex_attrs[intel->vertex_attr_count].attrib = 0; \
54
intel->vertex_attrs[intel->vertex_attr_count].format = EMIT_PAD; \
55
intel->vertex_attrs[intel->vertex_attr_count].offset = (N); \
56
intel->vertex_attr_count++; \
60
#define VRTX_TEX_SET_FMT(n, x) ((x)<<((n)*2))
61
#define TEXBIND_SET(n, x) ((x)<<((n)*4))
64
i830_render_start(struct intel_context *intel)
66
GLcontext *ctx = &intel->ctx;
67
struct i830_context *i830 = i830_context(ctx);
68
TNLcontext *tnl = TNL_CONTEXT(ctx);
69
struct vertex_buffer *VB = &tnl->vb;
70
DECLARE_RENDERINPUTS(index_bitset);
71
GLuint v0 = _3DSTATE_VFT0_CMD;
72
GLuint v2 = _3DSTATE_VFT1_CMD;
75
RENDERINPUTS_COPY(index_bitset, tnl->render_inputs_bitset);
79
VB->AttribPtr[VERT_ATTRIB_POS] = VB->NdcPtr;
80
intel->vertex_attr_count = 0;
82
/* EMIT_ATTR's must be in order as they tell t_vertex.c how to
83
* build up a hardware vertex.
85
if (RENDERINPUTS_TEST_RANGE(index_bitset, _TNL_FIRST_TEX, _TNL_LAST_TEX)) {
86
EMIT_ATTR(_TNL_ATTRIB_POS, EMIT_4F_VIEWPORT, VFT0_XYZW);
87
intel->coloroffset = 4;
90
EMIT_ATTR(_TNL_ATTRIB_POS, EMIT_3F_VIEWPORT, VFT0_XYZ);
91
intel->coloroffset = 3;
94
if (RENDERINPUTS_TEST(index_bitset, _TNL_ATTRIB_POINTSIZE)) {
95
EMIT_ATTR(_TNL_ATTRIB_POINTSIZE, EMIT_1F, VFT0_POINT_WIDTH);
98
EMIT_ATTR(_TNL_ATTRIB_COLOR0, EMIT_4UB_4F_BGRA, VFT0_DIFFUSE);
100
intel->specoffset = 0;
101
if (RENDERINPUTS_TEST(index_bitset, _TNL_ATTRIB_COLOR1) ||
102
RENDERINPUTS_TEST(index_bitset, _TNL_ATTRIB_FOG)) {
103
if (RENDERINPUTS_TEST(index_bitset, _TNL_ATTRIB_COLOR1)) {
104
intel->specoffset = intel->coloroffset + 1;
105
EMIT_ATTR(_TNL_ATTRIB_COLOR1, EMIT_3UB_3F_BGR, VFT0_SPEC);
110
if (RENDERINPUTS_TEST(index_bitset, _TNL_ATTRIB_FOG))
111
EMIT_ATTR(_TNL_ATTRIB_FOG, EMIT_1UB_1F, VFT0_SPEC);
116
if (RENDERINPUTS_TEST_RANGE(index_bitset, _TNL_FIRST_TEX, _TNL_LAST_TEX)) {
119
for (i = 0; i < I830_TEX_UNITS; i++) {
120
if (RENDERINPUTS_TEST(index_bitset, _TNL_ATTRIB_TEX(i))) {
121
GLuint sz = VB->TexCoordPtr[i]->size;
123
GLuint mcs = (i830->state.Tex[i][I830_TEXREG_MCS] &
131
mcs |= TEXCOORDTYPE_CARTESIAN;
136
mcs |= TEXCOORDTYPE_VECTOR;
141
mcs |= TEXCOORDTYPE_HOMOGENEOUS;
148
EMIT_ATTR(_TNL_ATTRIB_TEX0 + i, emit, 0);
149
v2 |= VRTX_TEX_SET_FMT(count, SZ_TO_HW(sz));
150
mcsb1 |= (count + 8) << (i * 4);
152
if (mcs != i830->state.Tex[i][I830_TEXREG_MCS]) {
153
I830_STATECHANGE(i830, I830_UPLOAD_TEX(i));
154
i830->state.Tex[i][I830_TEXREG_MCS] = mcs;
161
v0 |= VFT0_TEX_COUNT(count);
164
/* Only need to change the vertex emit code if there has been a
165
* statechange to a new hardware vertex format:
167
if (v0 != i830->state.Ctx[I830_CTXREG_VF] ||
168
v2 != i830->state.Ctx[I830_CTXREG_VF2] ||
169
mcsb1 != i830->state.Ctx[I830_CTXREG_MCSB1] ||
170
!RENDERINPUTS_EQUAL(index_bitset, i830->last_index_bitset)) {
173
I830_STATECHANGE(i830, I830_UPLOAD_CTX);
175
/* Must do this *after* statechange, so as not to affect
176
* buffered vertices reliant on the old state:
179
_tnl_install_attrs(ctx,
181
intel->vertex_attr_count,
182
intel->ViewportMatrix.m, 0);
184
intel->vertex_size >>= 2;
186
i830->state.Ctx[I830_CTXREG_VF] = v0;
187
i830->state.Ctx[I830_CTXREG_VF2] = v2;
188
i830->state.Ctx[I830_CTXREG_MCSB1] = mcsb1;
189
RENDERINPUTS_COPY(i830->last_index_bitset, index_bitset);
191
k = i830_check_vertex_size(intel, intel->vertex_size);
197
i830_reduced_primitive_state(struct intel_context *intel, GLenum rprim)
199
struct i830_context *i830 = i830_context(&intel->ctx);
200
GLuint st1 = i830->state.Stipple[I830_STPREG_ST1];
206
if (intel->ctx.Polygon.StippleFlag && intel->hw_stipple)
215
i830->intel.reduced_primitive = rprim;
217
if (st1 != i830->state.Stipple[I830_STPREG_ST1]) {
218
INTEL_FIREVERTICES(intel);
220
I830_STATECHANGE(i830, I830_UPLOAD_STIPPLE);
221
i830->state.Stipple[I830_STPREG_ST1] = st1;
225
/* Pull apart the vertex format registers and figure out how large a
226
* vertex is supposed to be.
229
i830_check_vertex_size(struct intel_context *intel, GLuint expected)
231
struct i830_context *i830 = i830_context(&intel->ctx);
232
int vft0 = i830->current->Ctx[I830_CTXREG_VF];
233
int vft1 = i830->current->Ctx[I830_CTXREG_VF2];
234
int nrtex = (vft0 & VFT0_TEX_COUNT_MASK) >> VFT0_TEX_COUNT_SHIFT;
237
switch (vft0 & VFT0_XYZW_MASK) {
251
fprintf(stderr, "no xyzw specified\n");
255
if (vft0 & VFT0_SPEC)
257
if (vft0 & VFT0_DIFFUSE)
259
if (vft0 & VFT0_DEPTH_OFFSET)
261
if (vft0 & VFT0_POINT_WIDTH)
264
for (i = 0; i < nrtex; i++) {
265
switch (vft1 & VFT1_TEX0_MASK) {
279
vft1 >>= VFT1_TEX1_SHIFT;
283
fprintf(stderr, "vertex size mismatch %d/%d\n", sz, expected);
285
return sz == expected;
289
i830_emit_invarient_state(struct intel_context *intel)
295
OUT_BATCH(_3DSTATE_DFLT_DIFFUSE_CMD);
298
OUT_BATCH(_3DSTATE_DFLT_SPEC_CMD);
301
OUT_BATCH(_3DSTATE_DFLT_Z_CMD);
304
OUT_BATCH(_3DSTATE_FOG_MODE_CMD);
305
OUT_BATCH(FOGFUNC_ENABLE |
306
FOG_LINEAR_CONST | FOGSRC_INDEX_Z | ENABLE_FOG_DENSITY);
311
OUT_BATCH(_3DSTATE_MAP_TEX_STREAM_CMD |
313
DISABLE_TEX_STREAM_BUMP |
314
ENABLE_TEX_STREAM_COORD_SET |
315
TEX_STREAM_COORD_SET(0) |
316
ENABLE_TEX_STREAM_MAP_IDX | TEX_STREAM_MAP_IDX(0));
317
OUT_BATCH(_3DSTATE_MAP_TEX_STREAM_CMD |
319
DISABLE_TEX_STREAM_BUMP |
320
ENABLE_TEX_STREAM_COORD_SET |
321
TEX_STREAM_COORD_SET(1) |
322
ENABLE_TEX_STREAM_MAP_IDX | TEX_STREAM_MAP_IDX(1));
323
OUT_BATCH(_3DSTATE_MAP_TEX_STREAM_CMD |
325
DISABLE_TEX_STREAM_BUMP |
326
ENABLE_TEX_STREAM_COORD_SET |
327
TEX_STREAM_COORD_SET(2) |
328
ENABLE_TEX_STREAM_MAP_IDX | TEX_STREAM_MAP_IDX(2));
329
OUT_BATCH(_3DSTATE_MAP_TEX_STREAM_CMD |
331
DISABLE_TEX_STREAM_BUMP |
332
ENABLE_TEX_STREAM_COORD_SET |
333
TEX_STREAM_COORD_SET(3) |
334
ENABLE_TEX_STREAM_MAP_IDX | TEX_STREAM_MAP_IDX(3));
336
OUT_BATCH(_3DSTATE_MAP_COORD_TRANSFORM);
337
OUT_BATCH(DISABLE_TEX_TRANSFORM | TEXTURE_SET(0));
338
OUT_BATCH(_3DSTATE_MAP_COORD_TRANSFORM);
339
OUT_BATCH(DISABLE_TEX_TRANSFORM | TEXTURE_SET(1));
340
OUT_BATCH(_3DSTATE_MAP_COORD_TRANSFORM);
341
OUT_BATCH(DISABLE_TEX_TRANSFORM | TEXTURE_SET(2));
342
OUT_BATCH(_3DSTATE_MAP_COORD_TRANSFORM);
343
OUT_BATCH(DISABLE_TEX_TRANSFORM | TEXTURE_SET(3));
345
OUT_BATCH(_3DSTATE_RASTER_RULES_CMD |
346
ENABLE_POINT_RASTER_RULE |
347
OGL_POINT_RASTER_RULE |
348
ENABLE_LINE_STRIP_PROVOKE_VRTX |
349
ENABLE_TRI_FAN_PROVOKE_VRTX |
350
ENABLE_TRI_STRIP_PROVOKE_VRTX |
351
LINE_STRIP_PROVOKE_VRTX(1) |
352
TRI_FAN_PROVOKE_VRTX(2) | TRI_STRIP_PROVOKE_VRTX(2));
354
OUT_BATCH(_3DSTATE_VERTEX_TRANSFORM);
355
OUT_BATCH(DISABLE_VIEWPORT_TRANSFORM | DISABLE_PERSPECTIVE_DIVIDE);
357
OUT_BATCH(_3DSTATE_W_STATE_CMD);
358
OUT_BATCH(MAGIC_W_STATE_DWORD1);
359
OUT_BATCH(0x3f800000 /* 1.0 in IEEE float */ );
362
OUT_BATCH(_3DSTATE_COLOR_FACTOR_CMD);
363
OUT_BATCH(0x80808080); /* .5 required in alpha for GL_DOT3_RGBA_EXT */
369
#define emit( intel, state, size ) \
372
BEGIN_BATCH(size / sizeof(GLuint), 0); \
373
for (k = 0 ; k < size / sizeof(GLuint) ; k++) { \
374
if (0) _mesa_printf(" 0x%08x\n", state[k]); \
375
OUT_BATCH(state[k]); \
381
get_state_size(struct i830_hw_state *state)
383
GLuint dirty = state->active & ~state->emitted;
387
if (dirty & I830_UPLOAD_INVARIENT)
388
sz += 40 * sizeof(int);
390
if (dirty & I830_UPLOAD_CTX)
391
sz += sizeof(state->Ctx);
393
if (dirty & I830_UPLOAD_BUFFERS)
394
sz += sizeof(state->Buffer);
396
if (dirty & I830_UPLOAD_STIPPLE)
397
sz += sizeof(state->Stipple);
399
for (i = 0; i < I830_TEX_UNITS; i++) {
400
if ((dirty & I830_UPLOAD_TEX(i)))
401
sz += sizeof(state->Tex[i]);
403
if (dirty & I830_UPLOAD_TEXBLEND(i))
404
sz += state->TexBlendWordsUsed[i] * 4;
411
/* Push the state into the sarea and/or texture memory.
414
i830_emit_state(struct intel_context *intel)
416
struct i830_context *i830 = i830_context(&intel->ctx);
417
struct i830_hw_state *state = i830->current;
422
/* We don't hold the lock at this point, so want to make sure that
423
* there won't be a buffer wrap.
425
* It might be better to talk about explicit places where
426
* scheduling is allowed, rather than assume that it is whenever a
427
* batchbuffer fills up.
429
intel_batchbuffer_require_space(intel->batch, get_state_size(state), 0);
431
/* Do this here as we may have flushed the batchbuffer above,
432
* causing more state to be dirty!
434
dirty = state->active & ~state->emitted;
436
if (dirty & I830_UPLOAD_INVARIENT) {
437
DBG("I830_UPLOAD_INVARIENT:\n");
438
i830_emit_invarient_state(intel);
441
if (dirty & I830_UPLOAD_CTX) {
442
DBG("I830_UPLOAD_CTX:\n");
443
emit(i830, state->Ctx, sizeof(state->Ctx));
447
if (dirty & I830_UPLOAD_BUFFERS) {
448
DBG("I830_UPLOAD_BUFFERS:\n");
449
BEGIN_BATCH(I830_DEST_SETUP_SIZE + 2, 0);
450
OUT_BATCH(state->Buffer[I830_DESTREG_CBUFADDR0]);
451
OUT_BATCH(state->Buffer[I830_DESTREG_CBUFADDR1]);
452
OUT_RELOC(state->draw_region->buffer,
453
DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_WRITE,
454
DRM_BO_MASK_MEM | DRM_BO_FLAG_WRITE,
455
state->draw_region->draw_offset);
457
if (state->depth_region) {
458
OUT_BATCH(state->Buffer[I830_DESTREG_DBUFADDR0]);
459
OUT_BATCH(state->Buffer[I830_DESTREG_DBUFADDR1]);
460
OUT_RELOC(state->depth_region->buffer,
461
DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_WRITE,
462
DRM_BO_MASK_MEM | DRM_BO_FLAG_WRITE,
463
state->depth_region->draw_offset);
466
OUT_BATCH(state->Buffer[I830_DESTREG_DV0]);
467
OUT_BATCH(state->Buffer[I830_DESTREG_DV1]);
468
OUT_BATCH(state->Buffer[I830_DESTREG_SENABLE]);
469
OUT_BATCH(state->Buffer[I830_DESTREG_SR0]);
470
OUT_BATCH(state->Buffer[I830_DESTREG_SR1]);
471
OUT_BATCH(state->Buffer[I830_DESTREG_SR2]);
475
if (dirty & I830_UPLOAD_STIPPLE) {
476
DBG("I830_UPLOAD_STIPPLE:\n");
477
emit(i830, state->Stipple, sizeof(state->Stipple));
480
for (i = 0; i < I830_TEX_UNITS; i++) {
481
if ((dirty & I830_UPLOAD_TEX(i))) {
482
DBG("I830_UPLOAD_TEX(%d):\n", i);
484
BEGIN_BATCH(I830_TEX_SETUP_SIZE + 1, 0);
485
OUT_BATCH(state->Tex[i][I830_TEXREG_TM0LI]);
487
if (state->tex_buffer[i]) {
488
OUT_RELOC(state->tex_buffer[i],
489
DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_READ,
490
DRM_BO_MASK_MEM | DRM_BO_FLAG_READ,
491
state->tex_offset[i] | TM0S0_USE_FENCE);
495
assert(state == &i830->meta);
499
OUT_BATCH(state->Tex[i][I830_TEXREG_TM0S1]);
500
OUT_BATCH(state->Tex[i][I830_TEXREG_TM0S2]);
501
OUT_BATCH(state->Tex[i][I830_TEXREG_TM0S3]);
502
OUT_BATCH(state->Tex[i][I830_TEXREG_TM0S4]);
503
OUT_BATCH(state->Tex[i][I830_TEXREG_MCS]);
504
OUT_BATCH(state->Tex[i][I830_TEXREG_CUBE]);
507
if (dirty & I830_UPLOAD_TEXBLEND(i)) {
508
DBG("I830_UPLOAD_TEXBLEND(%d): %d words\n", i,
509
state->TexBlendWordsUsed[i]);
510
emit(i830, state->TexBlend[i], state->TexBlendWordsUsed[i] * 4);
514
state->emitted |= dirty;
518
i830_destroy_context(struct intel_context *intel)
520
_tnl_free_vertices(&intel->ctx);
525
i830_state_draw_region(struct intel_context *intel,
526
struct i830_hw_state *state,
527
struct intel_region *color_region,
528
struct intel_region *depth_region)
530
struct i830_context *i830 = i830_context(&intel->ctx);
533
ASSERT(state == &i830->state || state == &i830->meta);
535
if (state->draw_region != color_region) {
536
intel_region_release(&state->draw_region);
537
intel_region_reference(&state->draw_region, color_region);
539
if (state->depth_region != depth_region) {
540
intel_region_release(&state->depth_region);
541
intel_region_reference(&state->depth_region, depth_region);
545
* Set stride/cpp values
548
state->Buffer[I830_DESTREG_CBUFADDR0] = _3DSTATE_BUF_INFO_CMD;
549
state->Buffer[I830_DESTREG_CBUFADDR1] =
550
(BUF_3D_ID_COLOR_BACK |
551
BUF_3D_PITCH(color_region->pitch * color_region->cpp) |
556
state->Buffer[I830_DESTREG_DBUFADDR0] = _3DSTATE_BUF_INFO_CMD;
557
state->Buffer[I830_DESTREG_DBUFADDR1] =
559
BUF_3D_PITCH(depth_region->pitch * depth_region->cpp) |
564
* Compute/set I830_DESTREG_DV1 value
566
value = (DSTORG_HORT_BIAS(0x8) | /* .5 */
567
DSTORG_VERT_BIAS(0x8) | DEPTH_IS_Z); /* .5 */
569
if (color_region && color_region->cpp == 4) {
575
if (depth_region && depth_region->cpp == 4) {
576
value |= DEPTH_FRMT_24_FIXED_8_OTHER;
579
value |= DEPTH_FRMT_16_FIXED;
581
state->Buffer[I830_DESTREG_DV1] = value;
583
I830_STATECHANGE(i830, I830_UPLOAD_BUFFERS);
590
i830_set_draw_region(struct intel_context *intel,
591
struct intel_region *color_region,
592
struct intel_region *depth_region)
594
struct i830_context *i830 = i830_context(&intel->ctx);
595
i830_state_draw_region(intel, &i830->state, color_region, depth_region);
600
i830_update_color_z_regions(intelContextPtr intel,
601
const intelRegion * colorRegion,
602
const intelRegion * depthRegion)
604
i830ContextPtr i830 = I830_CONTEXT(intel);
606
i830->state.Buffer[I830_DESTREG_CBUFADDR1] =
607
(BUF_3D_ID_COLOR_BACK | BUF_3D_PITCH(colorRegion->pitch) |
609
i830->state.Buffer[I830_DESTREG_CBUFADDR2] = colorRegion->offset;
611
i830->state.Buffer[I830_DESTREG_DBUFADDR1] =
612
(BUF_3D_ID_DEPTH | BUF_3D_PITCH(depthRegion->pitch) | BUF_3D_USE_FENCE);
613
i830->state.Buffer[I830_DESTREG_DBUFADDR2] = depthRegion->offset;
618
/* This isn't really handled at the moment.
621
i830_lost_hardware(struct intel_context *intel)
623
struct i830_context *i830 = i830_context(&intel->ctx);
624
i830->state.emitted = 0;
632
return MI_FLUSH | FLUSH_MAP_CACHE;
637
i830_assert_not_dirty( struct intel_context *intel )
639
struct i830_context *i830 = i830_context(&intel->ctx);
640
struct i830_hw_state *state = i830->current;
641
GLuint dirty = state->active & ~state->emitted;
647
i830InitVtbl(struct i830_context *i830)
649
i830->intel.vtbl.check_vertex_size = i830_check_vertex_size;
650
i830->intel.vtbl.destroy = i830_destroy_context;
651
i830->intel.vtbl.emit_state = i830_emit_state;
652
i830->intel.vtbl.lost_hardware = i830_lost_hardware;
653
i830->intel.vtbl.reduced_primitive_state = i830_reduced_primitive_state;
654
i830->intel.vtbl.set_draw_region = i830_set_draw_region;
655
i830->intel.vtbl.update_texture_state = i830UpdateTextureState;
656
i830->intel.vtbl.flush_cmd = i830_flush_cmd;
657
i830->intel.vtbl.render_start = i830_render_start;
658
i830->intel.vtbl.assert_not_dirty = i830_assert_not_dirty;