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/**************************************************************************
*
* Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
* All Rights Reserved.
*
* 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 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 TUNGSTEN GRAPHICS AND/OR ITS 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 "i915_reg.h"
#include "i915_context.h"
#include "i915_batch.h"
#include "i915_debug.h"
#include "i915_resource.h"
#include "pipe/p_context.h"
#include "pipe/p_defines.h"
#include "util/u_math.h"
#include "util/u_memory.h"
struct i915_tracked_hw_state {
const char *name;
void (*validate)(struct i915_context *);
void (*emit)(struct i915_context *);
unsigned dirty;
};
static void
validate_immediate(struct i915_context *i915)
{
if (i915->immediate_dirty & (1 << I915_IMMEDIATE_S0))
i915->validation_buffers[i915->num_validation_buffers++] = i915->vbo;
}
static void
validate_static(struct i915_context *i915)
{
if (i915->current.cbuf_bo)
i915->validation_buffers[i915->num_validation_buffers++]
= i915->current.cbuf_bo;
if (i915->current.depth_bo)
i915->validation_buffers[i915->num_validation_buffers++]
= i915->current.depth_bo;
}
static void
validate_map(struct i915_context *i915)
{
const uint enabled = i915->current.sampler_enable_flags;
uint unit;
struct i915_texture *tex;
for (unit = 0; unit < I915_TEX_UNITS; unit++) {
if (enabled & (1 << unit)) {
tex = i915_texture(i915->fragment_sampler_views[unit]->texture);
i915->validation_buffers[i915->num_validation_buffers++] = tex->buffer;
}
}
}
const static struct i915_tracked_hw_state hw_atoms[] = {
{ "immediate", validate_immediate, NULL, I915_HW_IMMEDIATE },
{ "static", validate_static, NULL, I915_HW_STATIC },
{ "map", validate_map, NULL, I915_HW_MAP }
};
static boolean
i915_validate_state(struct i915_context *i915)
{
int i;
i915->num_validation_buffers = 0;
for (i = 0; i < Elements(hw_atoms); i++)
if ((i915->hardware_dirty & hw_atoms[i].dirty) && hw_atoms[i].validate)
hw_atoms[i].validate(i915);
if (i915->num_validation_buffers == 0)
return TRUE;
if (!i915_winsys_validate_buffers(i915->batch, i915->validation_buffers,
i915->num_validation_buffers))
return FALSE;
return TRUE;
}
/* Push the state into the sarea and/or texture memory.
*/
void
i915_emit_hardware_state(struct i915_context *i915 )
{
/* XXX: there must be an easier way */
const unsigned dwords = ( 14 +
7 +
I915_MAX_DYNAMIC +
8 +
2 + I915_TEX_UNITS*3 +
2 + I915_TEX_UNITS*3 +
2 + I915_MAX_CONSTANT*4 +
#if 0
i915->current.program_len +
#else
i915->fs->program_len +
#endif
6
) * 3/2; /* plus 50% margin */
const unsigned relocs = ( I915_TEX_UNITS +
3
) * 3/2; /* plus 50% margin */
uintptr_t save_ptr;
size_t save_relocs;
if (I915_DBG_ON(DBG_ATOMS))
i915_dump_hardware_dirty(i915, __FUNCTION__);
if (!i915_validate_state(i915)) {
FLUSH_BATCH(NULL);
assert(i915_validate_state(i915));
}
if(!BEGIN_BATCH(dwords, relocs)) {
FLUSH_BATCH(NULL);
assert(i915_validate_state(i915));
assert(BEGIN_BATCH(dwords, relocs));
}
save_ptr = (uintptr_t)i915->batch->ptr;
save_relocs = i915->batch->relocs;
/* 14 dwords, 0 relocs */
if (i915->hardware_dirty & I915_HW_INVARIANT)
{
OUT_BATCH(_3DSTATE_AA_CMD |
AA_LINE_ECAAR_WIDTH_ENABLE |
AA_LINE_ECAAR_WIDTH_1_0 |
AA_LINE_REGION_WIDTH_ENABLE | AA_LINE_REGION_WIDTH_1_0);
OUT_BATCH(_3DSTATE_DFLT_DIFFUSE_CMD);
OUT_BATCH(0);
OUT_BATCH(_3DSTATE_DFLT_SPEC_CMD);
OUT_BATCH(0);
OUT_BATCH(_3DSTATE_DFLT_Z_CMD);
OUT_BATCH(0);
OUT_BATCH(_3DSTATE_COORD_SET_BINDINGS |
CSB_TCB(0, 0) |
CSB_TCB(1, 1) |
CSB_TCB(2, 2) |
CSB_TCB(3, 3) |
CSB_TCB(4, 4) |
CSB_TCB(5, 5) |
CSB_TCB(6, 6) |
CSB_TCB(7, 7));
OUT_BATCH(_3DSTATE_RASTER_RULES_CMD |
ENABLE_POINT_RASTER_RULE |
OGL_POINT_RASTER_RULE |
ENABLE_LINE_STRIP_PROVOKE_VRTX |
ENABLE_TRI_FAN_PROVOKE_VRTX |
LINE_STRIP_PROVOKE_VRTX(1) |
TRI_FAN_PROVOKE_VRTX(2) |
ENABLE_TEXKILL_3D_4D |
TEXKILL_4D);
OUT_BATCH(_3DSTATE_DEPTH_SUBRECT_DISABLE);
/* disable indirect state for now
*/
OUT_BATCH(_3DSTATE_LOAD_INDIRECT | 0);
OUT_BATCH(0);
}
/* 7 dwords, 1 relocs */
if (i915->hardware_dirty & I915_HW_IMMEDIATE)
{
/* remove unwatned bits and S7 */
unsigned dirty = (1 << I915_IMMEDIATE_S0 | 1 << I915_IMMEDIATE_S1 |
1 << I915_IMMEDIATE_S2 | 1 << I915_IMMEDIATE_S3 |
1 << I915_IMMEDIATE_S3 | 1 << I915_IMMEDIATE_S4 |
1 << I915_IMMEDIATE_S5 | 1 << I915_IMMEDIATE_S6) &
i915->immediate_dirty;
int i, num = util_bitcount(dirty);
assert(num && num <= I915_MAX_IMMEDIATE);
OUT_BATCH(_3DSTATE_LOAD_STATE_IMMEDIATE_1 |
dirty << 4 | (num - 1));
if (i915->immediate_dirty & (1 << I915_IMMEDIATE_S0)) {
if (i915->vbo)
OUT_RELOC(i915->vbo, I915_USAGE_VERTEX,
i915->current.immediate[I915_IMMEDIATE_S0]);
else
OUT_BATCH(0);
}
for (i = 1; i < I915_MAX_IMMEDIATE; i++) {
if (dirty & (1 << i))
OUT_BATCH(i915->current.immediate[i]);
}
}
#if 01
/* I915_MAX_DYNAMIC dwords, 0 relocs */
if (i915->hardware_dirty & I915_HW_DYNAMIC)
{
int i;
for (i = 0; i < I915_MAX_DYNAMIC; i++) {
if (i915->dynamic_dirty & (1 << i))
OUT_BATCH(i915->current.dynamic[i]);
}
}
#endif
#if 01
/* 8 dwords, 2 relocs */
if (i915->hardware_dirty & I915_HW_STATIC)
{
if (i915->current.cbuf_bo) {
OUT_BATCH(_3DSTATE_BUF_INFO_CMD);
OUT_BATCH(i915->current.cbuf_flags);
OUT_RELOC(i915->current.cbuf_bo,
I915_USAGE_RENDER,
0);
}
/* What happens if no zbuf??
*/
if (i915->current.depth_bo) {
OUT_BATCH(_3DSTATE_BUF_INFO_CMD);
OUT_BATCH(i915->current.depth_flags);
OUT_RELOC(i915->current.depth_bo,
I915_USAGE_RENDER,
0);
}
{
OUT_BATCH(_3DSTATE_DST_BUF_VARS_CMD);
OUT_BATCH(i915->current.dst_buf_vars);
}
}
#endif
#if 01
/* texture images */
/* 2 + I915_TEX_UNITS*3 dwords, I915_TEX_UNITS relocs */
if (i915->hardware_dirty & (I915_HW_MAP | I915_HW_SAMPLER))
{
const uint nr = i915->current.sampler_enable_nr;
if (nr) {
const uint enabled = i915->current.sampler_enable_flags;
uint unit;
uint count = 0;
OUT_BATCH(_3DSTATE_MAP_STATE | (3 * nr));
OUT_BATCH(enabled);
for (unit = 0; unit < I915_TEX_UNITS; unit++) {
if (enabled & (1 << unit)) {
struct i915_texture *texture = i915_texture(i915->fragment_sampler_views[unit]->texture);
struct i915_winsys_buffer *buf = texture->buffer;
assert(buf);
count++;
OUT_RELOC(buf, I915_USAGE_SAMPLER, 0);
OUT_BATCH(i915->current.texbuffer[unit][0]); /* MS3 */
OUT_BATCH(i915->current.texbuffer[unit][1]); /* MS4 */
}
}
assert(count == nr);
}
}
#endif
#if 01
/* samplers */
/* 2 + I915_TEX_UNITS*3 dwords, 0 relocs */
if (i915->hardware_dirty & I915_HW_SAMPLER)
{
if (i915->current.sampler_enable_nr) {
int i;
OUT_BATCH( _3DSTATE_SAMPLER_STATE |
(3 * i915->current.sampler_enable_nr) );
OUT_BATCH( i915->current.sampler_enable_flags );
for (i = 0; i < I915_TEX_UNITS; i++) {
if (i915->current.sampler_enable_flags & (1<<i)) {
OUT_BATCH( i915->current.sampler[i][0] );
OUT_BATCH( i915->current.sampler[i][1] );
OUT_BATCH( i915->current.sampler[i][2] );
}
}
}
}
#endif
#if 01
/* constants */
/* 2 + I915_MAX_CONSTANT*4 dwords, 0 relocs */
if (i915->hardware_dirty & I915_HW_CONSTANTS)
{
/* Collate the user-defined constants with the fragment shader's
* immediates according to the constant_flags[] array.
*/
const uint nr = i915->fs->num_constants;
if (nr) {
uint i;
OUT_BATCH( _3DSTATE_PIXEL_SHADER_CONSTANTS | (nr * 4) );
OUT_BATCH((1 << nr) - 1);
for (i = 0; i < nr; i++) {
const uint *c;
if (i915->fs->constant_flags[i] == I915_CONSTFLAG_USER) {
/* grab user-defined constant */
c = (uint *) i915_buffer(i915->constants[PIPE_SHADER_FRAGMENT])->data;
c += 4 * i;
}
else {
/* emit program constant */
c = (uint *) i915->fs->constants[i];
}
#if 0 /* debug */
{
float *f = (float *) c;
printf("Const %2d: %f %f %f %f %s\n", i, f[0], f[1], f[2], f[3],
(i915->fs->constant_flags[i] == I915_CONSTFLAG_USER
? "user" : "immediate"));
}
#endif
OUT_BATCH(*c++);
OUT_BATCH(*c++);
OUT_BATCH(*c++);
OUT_BATCH(*c++);
}
}
}
#endif
#if 01
/* Fragment program */
/* i915->current.program_len dwords, 0 relocs */
if (i915->hardware_dirty & I915_HW_PROGRAM)
{
uint i;
/* we should always have, at least, a pass-through program */
assert(i915->fs->program_len > 0);
for (i = 0; i < i915->fs->program_len; i++) {
OUT_BATCH(i915->fs->program[i]);
}
}
#endif
#if 01
/* drawing surface size */
/* 6 dwords, 0 relocs */
if (i915->hardware_dirty & I915_HW_STATIC)
{
/* XXX flush only required when the draw_offset changes! */
OUT_BATCH(MI_FLUSH | INHIBIT_FLUSH_RENDER_CACHE);
OUT_BATCH(_3DSTATE_DRAW_RECT_CMD);
OUT_BATCH(DRAW_RECT_DIS_DEPTH_OFS);
OUT_BATCH(i915->current.draw_offset);
OUT_BATCH(i915->current.draw_size);
OUT_BATCH(i915->current.draw_offset);
}
#endif
I915_DBG(DBG_EMIT, "%s: used %d dwords, %d relocs\n", __FUNCTION__,
((uintptr_t)i915->batch->ptr - save_ptr) / 4,
i915->batch->relocs - save_relocs);
i915->hardware_dirty = 0;
i915->immediate_dirty = 0;
i915->dynamic_dirty = 0;
}
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