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xf86-video-intel/src/i965_video.c

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/*
* Copyright © 2006 Intel Corporation
*
* 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, sublicense,
* 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 NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS 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.
*
* Authors:
* Eric Anholt <eric@anholt.net>
* Keith Packard <keithp@keithp.com>
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "xf86.h"
#include "xf86_OSproc.h"
#include "xf86xv.h"
#include "fourcc.h"
#include "i830.h"
#include "i830_video.h"
#include "i830_hwmc.h"
#include "brw_defines.h"
#include "brw_structs.h"
#include <string.h>
/* Make assert() work. */
#undef NDEBUG
#include <assert.h>
static const uint32_t sip_kernel_static[][4] = {
/* wait (1) a0<1>UW a145<0,1,0>UW { align1 + } */
{ 0x00000030, 0x20000108, 0x00001220, 0x00000000 },
/* nop (4) g0<1>UD { align1 + } */
{ 0x0040007e, 0x20000c21, 0x00690000, 0x00000000 },
/* nop (4) g0<1>UD { align1 + } */
{ 0x0040007e, 0x20000c21, 0x00690000, 0x00000000 },
/* nop (4) g0<1>UD { align1 + } */
{ 0x0040007e, 0x20000c21, 0x00690000, 0x00000000 },
/* nop (4) g0<1>UD { align1 + } */
{ 0x0040007e, 0x20000c21, 0x00690000, 0x00000000 },
/* nop (4) g0<1>UD { align1 + } */
{ 0x0040007e, 0x20000c21, 0x00690000, 0x00000000 },
/* nop (4) g0<1>UD { align1 + } */
{ 0x0040007e, 0x20000c21, 0x00690000, 0x00000000 },
/* nop (4) g0<1>UD { align1 + } */
{ 0x0040007e, 0x20000c21, 0x00690000, 0x00000000 },
/* nop (4) g0<1>UD { align1 + } */
{ 0x0040007e, 0x20000c21, 0x00690000, 0x00000000 },
/* nop (4) g0<1>UD { align1 + } */
{ 0x0040007e, 0x20000c21, 0x00690000, 0x00000000 },
};
/*
* this program computes dA/dx and dA/dy for the texture coordinates along
* with the base texture coordinate. It was extracted from the Mesa driver.
* It uses about 10 GRF registers.
*/
#define SF_KERNEL_NUM_GRF 16
#define SF_MAX_THREADS 1
static const uint32_t sf_kernel_static[][4] = {
#include "exa_sf.g4b"
};
/*
* Ok, this kernel picks up the required data flow values in g0 and g1
* and passes those along in m0 and m1. In m2-m9, it sticks constant
* values (bright pink).
*/
/* Our PS kernel uses less than 32 GRF registers (about 20) */
#define PS_KERNEL_NUM_GRF 32
#define PS_MAX_THREADS 32
#define BRW_GRF_BLOCKS(nreg) ((nreg + 15) / 16 - 1)
static const uint32_t ps_kernel_packed_static[][4] = {
#include "exa_wm_xy.g4b"
#include "exa_wm_src_affine.g4b"
#include "exa_wm_src_sample_argb.g4b"
#include "exa_wm_yuv_rgb.g4b"
#include "exa_wm_write.g4b"
};
static const uint32_t ps_kernel_planar_static[][4] = {
#include "exa_wm_xy.g4b"
#include "exa_wm_src_affine.g4b"
#include "exa_wm_src_sample_planar.g4b"
#include "exa_wm_yuv_rgb.g4b"
#include "exa_wm_write.g4b"
};
#define ALIGN(i,m) (((i) + (m) - 1) & ~((m) - 1))
#define MIN(a,b) ((a) < (b) ? (a) : (b))
static uint32_t float_to_uint (float f) {
union {uint32_t i; float f;} x;
x.f = f;
return x.i;
}
#if 0
static struct {
uint32_t svg_ctl;
char *name;
} svg_ctl_bits[] = {
{ BRW_SVG_CTL_GS_BA, "General State Base Address" },
{ BRW_SVG_CTL_SS_BA, "Surface State Base Address" },
{ BRW_SVG_CTL_IO_BA, "Indirect Object Base Address" },
{ BRW_SVG_CTL_GS_AUB, "Generate State Access Upper Bound" },
{ BRW_SVG_CTL_IO_AUB, "Indirect Object Access Upper Bound" },
{ BRW_SVG_CTL_SIP, "System Instruction Pointer" },
{ 0, 0 },
};
static void
brw_debug (ScrnInfoPtr pScrn, char *when)
{
I830Ptr pI830 = I830PTR(pScrn);
int i;
uint32_t v;
I830Sync (pScrn);
ErrorF("brw_debug: %s\n", when);
for (i = 0; svg_ctl_bits[i].name; i++) {
OUTREG(BRW_SVG_CTL, svg_ctl_bits[i].svg_ctl);
v = INREG(BRW_SVG_RDATA);
ErrorF("\t%34.34s: 0x%08x\n", svg_ctl_bits[i].name, v);
}
}
#endif
#define WATCH_SF 0
#define WATCH_WIZ 0
#define WATCH_STATS 0
static void
i965_pre_draw_debug(ScrnInfoPtr scrn)
{
#if 0
I830Ptr pI830 = I830PTR(scrn);
#endif
#if 0
ErrorF ("before EU_ATT 0x%08x%08x EU_ATT_DATA 0x%08x%08x\n",
INREG(BRW_EU_ATT_1), INREG(BRW_EU_ATT_0),
INREG(BRW_EU_ATT_DATA_1), INREG(BRW_EU_ATT_DATA_0));
OUTREG(BRW_VF_CTL,
BRW_VF_CTL_SNAPSHOT_MUX_SELECT_THREADID |
BRW_VF_CTL_SNAPSHOT_TYPE_VERTEX_INDEX |
BRW_VF_CTL_SNAPSHOT_ENABLE);
OUTREG(BRW_VF_STRG_VAL, 0);
#endif
#if 0
OUTREG(BRW_VS_CTL,
BRW_VS_CTL_SNAPSHOT_ALL_THREADS |
BRW_VS_CTL_SNAPSHOT_MUX_VALID_COUNT |
BRW_VS_CTL_THREAD_SNAPSHOT_ENABLE);
OUTREG(BRW_VS_STRG_VAL, 0);
#endif
#if WATCH_SF
OUTREG(BRW_SF_CTL,
BRW_SF_CTL_SNAPSHOT_MUX_VERTEX_COUNT |
BRW_SF_CTL_SNAPSHOT_ALL_THREADS |
BRW_SF_CTL_THREAD_SNAPSHOT_ENABLE);
OUTREG(BRW_SF_STRG_VAL, 0);
#endif
#if WATCH_WIZ
OUTREG(BRW_WIZ_CTL,
BRW_WIZ_CTL_SNAPSHOT_MUX_SUBSPAN_INSTANCE |
BRW_WIZ_CTL_SNAPSHOT_ALL_THREADS |
BRW_WIZ_CTL_SNAPSHOT_ENABLE);
OUTREG(BRW_WIZ_STRG_VAL,
(box_x1) | (box_y1 << 16));
#endif
#if 0
OUTREG(BRW_TS_CTL,
BRW_TS_CTL_SNAPSHOT_MESSAGE_ERROR |
BRW_TS_CTL_SNAPSHOT_ALL_CHILD_THREADS |
BRW_TS_CTL_SNAPSHOT_ALL_ROOT_THREADS |
BRW_TS_CTL_SNAPSHOT_ENABLE);
#endif
}
static void
i965_post_draw_debug(ScrnInfoPtr scrn)
{
#if 0
I830Ptr pI830 = I830PTR(scrn);
#endif
#if 0
for (j = 0; j < 100000; j++) {
ctl = INREG(BRW_VF_CTL);
if (ctl & BRW_VF_CTL_SNAPSHOT_COMPLETE)
break;
}
rdata = INREG(BRW_VF_RDATA);
OUTREG(BRW_VF_CTL, 0);
ErrorF ("VF_CTL: 0x%08x VF_RDATA: 0x%08x\n", ctl, rdata);
#endif
#if 0
for (j = 0; j < 1000000; j++) {
ctl = INREG(BRW_VS_CTL);
if (ctl & BRW_VS_CTL_SNAPSHOT_COMPLETE)
break;
}
rdata = INREG(BRW_VS_RDATA);
for (k = 0; k <= 3; k++) {
OUTREG(BRW_VS_CTL,
BRW_VS_CTL_SNAPSHOT_COMPLETE |
(k << 8));
rdata = INREG(BRW_VS_RDATA);
ErrorF ("VS_CTL: 0x%08x VS_RDATA(%d): 0x%08x\n", ctl, k, rdata);
}
OUTREG(BRW_VS_CTL, 0);
#endif
#if WATCH_SF
for (j = 0; j < 1000000; j++) {
ctl = INREG(BRW_SF_CTL);
if (ctl & BRW_SF_CTL_SNAPSHOT_COMPLETE)
break;
}
for (k = 0; k <= 7; k++) {
OUTREG(BRW_SF_CTL,
BRW_SF_CTL_SNAPSHOT_COMPLETE |
(k << 8));
rdata = INREG(BRW_SF_RDATA);
ErrorF("SF_CTL: 0x%08x SF_RDATA(%d): 0x%08x\n", ctl, k, rdata);
}
OUTREG(BRW_SF_CTL, 0);
#endif
#if WATCH_WIZ
for (j = 0; j < 100000; j++) {
ctl = INREG(BRW_WIZ_CTL);
if (ctl & BRW_WIZ_CTL_SNAPSHOT_COMPLETE)
break;
}
rdata = INREG(BRW_WIZ_RDATA);
OUTREG(BRW_WIZ_CTL, 0);
ErrorF("WIZ_CTL: 0x%08x WIZ_RDATA: 0x%08x\n", ctl, rdata);
#endif
#if 0
for (j = 0; j < 100000; j++) {
ctl = INREG(BRW_TS_CTL);
if (ctl & BRW_TS_CTL_SNAPSHOT_COMPLETE)
break;
}
rdata = INREG(BRW_TS_RDATA);
OUTREG(BRW_TS_CTL, 0);
ErrorF("TS_CTL: 0x%08x TS_RDATA: 0x%08x\n", ctl, rdata);
ErrorF("after EU_ATT 0x%08x%08x EU_ATT_DATA 0x%08x%08x\n",
INREG(BRW_EU_ATT_1), INREG(BRW_EU_ATT_0),
INREG(BRW_EU_ATT_DATA_1), INREG(BRW_EU_ATT_DATA_0));
#endif
#if 0
for (j = 0; j < 256; j++) {
OUTREG(BRW_TD_CTL, j << BRW_TD_CTL_MUX_SHIFT);
rdata = INREG(BRW_TD_RDATA);
ErrorF ("TD_RDATA(%d): 0x%08x\n", j, rdata);
}
#endif
}
/* For 3D, the VS must have 8, 12, 16, 24, or 32 VUEs allocated to it.
* A VUE consists of a 256-bit vertex header followed by the vertex data,
* which in our case is 4 floats (128 bits), thus a single 512-bit URB
* entry.
*/
#define URB_VS_ENTRIES 8
#define URB_VS_ENTRY_SIZE 1
#define URB_GS_ENTRIES 0
#define URB_GS_ENTRY_SIZE 0
#define URB_CLIP_ENTRIES 0
#define URB_CLIP_ENTRY_SIZE 0
/* The SF kernel we use outputs only 4 256-bit registers, leading to an
* entry size of 2 512-bit URBs. We don't need to have many entries to
* output as we're generally working on large rectangles and don't care
* about having WM threads running on different rectangles simultaneously.
*/
#define URB_SF_ENTRIES 1
#define URB_SF_ENTRY_SIZE 2
#define URB_CS_ENTRIES 0
#define URB_CS_ENTRY_SIZE 0
/**
* Little wrapper around drm_intel_bo_reloc to return the initial value you
* should stuff into the relocation entry.
*
* If only we'd done this before settling on the library API.
*/
static uint32_t
intel_emit_reloc(drm_intel_bo *bo, uint32_t offset,
drm_intel_bo *target_bo, uint32_t target_offset,
uint32_t read_domains, uint32_t write_domain)
{
drm_intel_bo_emit_reloc(bo, offset, target_bo, target_offset,
read_domains, write_domain);
return target_bo->offset + target_offset;
}
static drm_intel_bo *
i965_create_dst_surface_state(ScrnInfoPtr scrn,
PixmapPtr pixmap)
{
I830Ptr pI830 = I830PTR(scrn);
struct brw_surface_state *dest_surf_state;
drm_intel_bo *surf_bo;
surf_bo = drm_intel_bo_alloc(pI830->bufmgr,
"textured video surface state",
4096, 4096);
drm_intel_bo_map(surf_bo, TRUE);
dest_surf_state = surf_bo->virtual;
memset(dest_surf_state, 0, sizeof(*dest_surf_state));
dest_surf_state->ss0.surface_type = BRW_SURFACE_2D;
dest_surf_state->ss0.data_return_format = BRW_SURFACERETURNFORMAT_FLOAT32;
if (pI830->cpp == 2) {
dest_surf_state->ss0.surface_format = BRW_SURFACEFORMAT_B5G6R5_UNORM;
} else {
dest_surf_state->ss0.surface_format = BRW_SURFACEFORMAT_B8G8R8A8_UNORM;
}
dest_surf_state->ss0.writedisable_alpha = 0;
dest_surf_state->ss0.writedisable_red = 0;
dest_surf_state->ss0.writedisable_green = 0;
dest_surf_state->ss0.writedisable_blue = 0;
dest_surf_state->ss0.color_blend = 1;
dest_surf_state->ss0.vert_line_stride = 0;
dest_surf_state->ss0.vert_line_stride_ofs = 0;
dest_surf_state->ss0.mipmap_layout_mode = 0;
dest_surf_state->ss0.render_cache_read_mode = 0;
dest_surf_state->ss1.base_addr = intel_get_pixmap_offset(pixmap);
dest_surf_state->ss2.height = scrn->virtualY - 1;
dest_surf_state->ss2.width = scrn->virtualX - 1;
dest_surf_state->ss2.mip_count = 0;
dest_surf_state->ss2.render_target_rotation = 0;
dest_surf_state->ss3.pitch = intel_get_pixmap_pitch(pixmap) - 1;
dest_surf_state->ss3.tiled_surface = i830_pixmap_tiled(pixmap);
dest_surf_state->ss3.tile_walk = 0; /* TileX */
drm_intel_bo_unmap(surf_bo);
return surf_bo;
}
static drm_intel_bo *
i965_create_src_surface_state(ScrnInfoPtr scrn,
uint32_t src_offset,
int src_width,
int src_height,
int src_pitch,
uint32_t src_surf_format)
{
I830Ptr pI830 = I830PTR(scrn);
drm_intel_bo *surface_bo;
struct brw_surface_state *src_surf_state;
surface_bo = drm_intel_bo_alloc(pI830->bufmgr,
"textured video surface state",
4096, 4096);
drm_intel_bo_map(surface_bo, TRUE);
src_surf_state = surface_bo->virtual;
/* Set up the source surface state buffer */
memset(src_surf_state, 0, sizeof(struct brw_surface_state));
src_surf_state->ss0.surface_type = BRW_SURFACE_2D;
src_surf_state->ss0.surface_format = src_surf_format;
src_surf_state->ss0.writedisable_alpha = 0;
src_surf_state->ss0.writedisable_red = 0;
src_surf_state->ss0.writedisable_green = 0;
src_surf_state->ss0.writedisable_blue = 0;
src_surf_state->ss0.color_blend = 1;
src_surf_state->ss0.vert_line_stride = 0;
src_surf_state->ss0.vert_line_stride_ofs = 0;
src_surf_state->ss0.mipmap_layout_mode = 0;
src_surf_state->ss0.render_cache_read_mode = 0;
src_surf_state->ss1.base_addr = src_offset;
src_surf_state->ss2.width = src_width - 1;
src_surf_state->ss2.height = src_height - 1;
src_surf_state->ss2.mip_count = 0;
src_surf_state->ss2.render_target_rotation = 0;
src_surf_state->ss3.pitch = src_pitch - 1;
drm_intel_bo_unmap(surface_bo);
return surface_bo;
}
static drm_intel_bo *
i965_create_binding_table(ScrnInfoPtr scrn, drm_intel_bo **surf_bos, int n_surf)
{
I830Ptr pI830 = I830PTR(scrn);
drm_intel_bo *bind_bo;
uint32_t *binding_table;
int i;
/* Set up a binding table for our surfaces. Only the PS will use it */
bind_bo = drm_intel_bo_alloc(pI830->bufmgr,
"textured video binding table",
4096, 4096);
drm_intel_bo_map(bind_bo, TRUE);
binding_table = bind_bo->virtual;
for (i = 0; i < n_surf; i++)
binding_table[i] = intel_emit_reloc(bind_bo, i * sizeof(uint32_t),
surf_bos[i], 0,
I915_GEM_DOMAIN_INSTRUCTION, 0);
drm_intel_bo_unmap(bind_bo);
return bind_bo;
}
static drm_intel_bo *
i965_create_sampler_state(ScrnInfoPtr scrn)
{
I830Ptr pI830 = I830PTR(scrn);
drm_intel_bo *sampler_bo;
struct brw_sampler_state *sampler_state;
sampler_bo = drm_intel_bo_alloc(pI830->bufmgr,
"textured video sampler state",
4096, 4096);
drm_intel_bo_map(sampler_bo, TRUE);
sampler_state = sampler_bo->virtual;
memset(sampler_state, 0, sizeof(struct brw_sampler_state));
sampler_state->ss0.min_filter = BRW_MAPFILTER_LINEAR;
sampler_state->ss0.mag_filter = BRW_MAPFILTER_LINEAR;
sampler_state->ss1.r_wrap_mode = BRW_TEXCOORDMODE_CLAMP;
sampler_state->ss1.s_wrap_mode = BRW_TEXCOORDMODE_CLAMP;
sampler_state->ss1.t_wrap_mode = BRW_TEXCOORDMODE_CLAMP;
drm_intel_bo_unmap(sampler_bo);
return sampler_bo;
}
static drm_intel_bo *
i965_create_vs_state(ScrnInfoPtr scrn)
{
I830Ptr pI830 = I830PTR(scrn);
drm_intel_bo *vs_bo;
struct brw_vs_unit_state *vs_state;
vs_bo = drm_intel_bo_alloc(pI830->bufmgr, "textured video vs state",
4096, 4096);
drm_intel_bo_map(vs_bo, TRUE);
vs_state = vs_bo->virtual;
/* Set up the vertex shader to be disabled (passthrough) */
memset(vs_state, 0, sizeof(*vs_state));
vs_state->thread4.nr_urb_entries = URB_VS_ENTRIES;
vs_state->thread4.urb_entry_allocation_size = URB_VS_ENTRY_SIZE - 1;
vs_state->vs6.vs_enable = 0;
vs_state->vs6.vert_cache_disable = 1;
drm_intel_bo_unmap(vs_bo);
return vs_bo;
}
static drm_intel_bo *
i965_create_program(ScrnInfoPtr scrn, const uint32_t *program,
unsigned int program_size)
{
I830Ptr pI830 = I830PTR(scrn);
drm_intel_bo *prog_bo;
prog_bo = drm_intel_bo_alloc(pI830->bufmgr, "textured video program",
program_size, 4096);
drm_intel_bo_subdata(prog_bo, 0, program_size, program);
return prog_bo;
}
static drm_intel_bo *
i965_create_sf_state(ScrnInfoPtr scrn)
{
I830Ptr pI830 = I830PTR(scrn);
drm_intel_bo *sf_bo, *kernel_bo;
struct brw_sf_unit_state *sf_state;
kernel_bo = i965_create_program(scrn, &sf_kernel_static[0][0],
sizeof(sf_kernel_static));
sf_bo = drm_intel_bo_alloc(pI830->bufmgr, "textured video sf state",
4096, 4096);
drm_intel_bo_map(sf_bo, TRUE);
sf_state = sf_bo->virtual;
/* Set up the SF kernel to do coord interp: for each attribute,
* calculate dA/dx and dA/dy. Hand these interpolation coefficients
* back to SF which then hands pixels off to WM.
*/
memset(sf_state, 0, sizeof(*sf_state));
sf_state->thread0.grf_reg_count = BRW_GRF_BLOCKS(SF_KERNEL_NUM_GRF);
sf_state->thread0.kernel_start_pointer =
intel_emit_reloc(sf_bo, offsetof(struct brw_sf_unit_state, thread0),
kernel_bo, sf_state->thread0.grf_reg_count << 1,
I915_GEM_DOMAIN_INSTRUCTION, 0) >> 6;
sf_state->sf1.single_program_flow = 1; /* XXX */
sf_state->sf1.binding_table_entry_count = 0;
sf_state->sf1.thread_priority = 0;
sf_state->sf1.floating_point_mode = 0; /* Mesa does this */
sf_state->sf1.illegal_op_exception_enable = 1;
sf_state->sf1.mask_stack_exception_enable = 1;
sf_state->sf1.sw_exception_enable = 1;
sf_state->thread2.per_thread_scratch_space = 0;
/* scratch space is not used in our kernel */
sf_state->thread2.scratch_space_base_pointer = 0;
sf_state->thread3.const_urb_entry_read_length = 0; /* no const URBs */
sf_state->thread3.const_urb_entry_read_offset = 0; /* no const URBs */
sf_state->thread3.urb_entry_read_length = 1; /* 1 URB per vertex */
sf_state->thread3.urb_entry_read_offset = 0;
sf_state->thread3.dispatch_grf_start_reg = 3;
sf_state->thread4.max_threads = SF_MAX_THREADS - 1;
sf_state->thread4.urb_entry_allocation_size = URB_SF_ENTRY_SIZE - 1;
sf_state->thread4.nr_urb_entries = URB_SF_ENTRIES;
sf_state->thread4.stats_enable = 1;
sf_state->sf5.viewport_transform = FALSE; /* skip viewport */
sf_state->sf6.cull_mode = BRW_CULLMODE_NONE;
sf_state->sf6.scissor = 0;
sf_state->sf7.trifan_pv = 2;
sf_state->sf6.dest_org_vbias = 0x8;
sf_state->sf6.dest_org_hbias = 0x8;
drm_intel_bo_unmap(sf_bo);
return sf_bo;
}
static drm_intel_bo *
i965_create_wm_state(ScrnInfoPtr scrn, drm_intel_bo *sampler_bo, Bool is_packed)
{
I830Ptr pI830 = I830PTR(scrn);
drm_intel_bo *wm_bo, *kernel_bo;
struct brw_wm_unit_state *wm_state;
if (is_packed) {
kernel_bo = i965_create_program(scrn, &ps_kernel_packed_static[0][0],
sizeof(ps_kernel_packed_static));
} else {
kernel_bo = i965_create_program(scrn, &ps_kernel_planar_static[0][0],
sizeof(ps_kernel_planar_static));
}
wm_bo = drm_intel_bo_alloc(pI830->bufmgr, "textured video wm state",
4096, 4096);
drm_intel_bo_map(wm_bo, TRUE);
wm_state = wm_bo->virtual;
memset(wm_state, 0, sizeof (*wm_state));
wm_state->thread0.grf_reg_count = BRW_GRF_BLOCKS(PS_KERNEL_NUM_GRF);
wm_state->thread0.kernel_start_pointer =
intel_emit_reloc(wm_bo, offsetof(struct brw_wm_unit_state, thread0),
kernel_bo, wm_state->thread0.grf_reg_count << 1,
I915_GEM_DOMAIN_INSTRUCTION, 0) >> 6;
wm_state->thread1.single_program_flow = 1; /* XXX */
if (is_packed)
wm_state->thread1.binding_table_entry_count = 2;
else
wm_state->thread1.binding_table_entry_count = 7;
/* Though we never use the scratch space in our WM kernel, it has to be
* set, and the minimum allocation is 1024 bytes.
*/
wm_state->thread2.scratch_space_base_pointer = 0;
wm_state->thread2.per_thread_scratch_space = 0; /* 1024 bytes */
wm_state->thread3.dispatch_grf_start_reg = 3; /* XXX */
wm_state->thread3.const_urb_entry_read_length = 0;
wm_state->thread3.const_urb_entry_read_offset = 0;
wm_state->thread3.urb_entry_read_length = 1; /* XXX */
wm_state->thread3.urb_entry_read_offset = 0; /* XXX */
wm_state->wm4.stats_enable = 1;
wm_state->wm4.sampler_state_pointer =
intel_emit_reloc(wm_bo, offsetof(struct brw_wm_unit_state, wm4),
sampler_bo, 0,
I915_GEM_DOMAIN_INSTRUCTION, 0) >> 5;
wm_state->wm4.sampler_count = 1; /* 1-4 samplers used */
wm_state->wm5.max_threads = PS_MAX_THREADS - 1;
wm_state->wm5.thread_dispatch_enable = 1;
wm_state->wm5.enable_16_pix = 1;
wm_state->wm5.enable_8_pix = 0;
wm_state->wm5.early_depth_test = 1;
drm_intel_bo_unreference(kernel_bo);
drm_intel_bo_unmap(wm_bo);
return wm_bo;
}
static drm_intel_bo *
i965_create_cc_vp_state(ScrnInfoPtr scrn)
{
I830Ptr pI830 = I830PTR(scrn);
drm_intel_bo *cc_vp_bo;
struct brw_cc_viewport *cc_viewport;
cc_vp_bo = drm_intel_bo_alloc(pI830->bufmgr, "textured video cc viewport",
4096, 4096);
drm_intel_bo_map(cc_vp_bo, TRUE);
cc_viewport = cc_vp_bo->virtual;
memset (cc_viewport, 0, sizeof (*cc_viewport));
cc_viewport->min_depth = -1.e35;
cc_viewport->max_depth = 1.e35;
drm_intel_bo_unmap(cc_vp_bo);
return cc_vp_bo;
}
static drm_intel_bo *
i965_create_cc_state(ScrnInfoPtr scrn)
{
I830Ptr pI830 = I830PTR(scrn);
drm_intel_bo *cc_bo, *cc_vp_bo;
struct brw_cc_unit_state *cc_state;
cc_vp_bo = i965_create_cc_vp_state(scrn);
cc_bo = drm_intel_bo_alloc(pI830->bufmgr, "textured video cc state",
4096, 4096);
drm_intel_bo_map(cc_bo, TRUE);
cc_state = cc_bo->virtual;
/* Color calculator state */
memset(cc_state, 0, sizeof(*cc_state));
cc_state->cc0.stencil_enable = 0; /* disable stencil */
cc_state->cc2.depth_test = 0; /* disable depth test */
cc_state->cc2.logicop_enable = 1; /* enable logic op */
cc_state->cc3.ia_blend_enable = 1; /* blend alpha just like colors */
cc_state->cc3.blend_enable = 0; /* disable color blend */
cc_state->cc3.alpha_test = 0; /* disable alpha test */
cc_state->cc4.cc_viewport_state_offset =
intel_emit_reloc(cc_bo, offsetof(struct brw_cc_unit_state, cc4),
cc_vp_bo, 0,
I915_GEM_DOMAIN_INSTRUCTION, 0) >> 5;
cc_state->cc5.dither_enable = 0; /* disable dither */
cc_state->cc5.logicop_func = 0xc; /* WHITE */
cc_state->cc5.statistics_enable = 1;
cc_state->cc5.ia_blend_function = BRW_BLENDFUNCTION_ADD;
cc_state->cc5.ia_src_blend_factor = BRW_BLENDFACTOR_ONE;
cc_state->cc5.ia_dest_blend_factor = BRW_BLENDFACTOR_ONE;
drm_intel_bo_unmap(cc_bo);
drm_intel_bo_unreference(cc_vp_bo);
return cc_bo;
}
void
I965DisplayVideoTextured(ScrnInfoPtr pScrn, I830PortPrivPtr pPriv, int id,
RegionPtr dstRegion,
short width, short height, int video_pitch,
int x1, int y1, int x2, int y2,
short src_w, short src_h,
short drw_w, short drw_h,
PixmapPtr pPixmap)
{
I830Ptr pI830 = I830PTR(pScrn);
BoxPtr pbox;
int nbox, dxo, dyo, pix_xoff, pix_yoff;
int urb_vs_start, urb_vs_size;
int urb_gs_start, urb_gs_size;
int urb_clip_start, urb_clip_size;
int urb_sf_start, urb_sf_size;
int urb_cs_start, urb_cs_size;
float src_scale_x, src_scale_y;
int src_surf, i;
int n_src_surf;
uint32_t src_surf_format;
uint32_t src_surf_base[6];
int src_width[6];
int src_height[6];
int src_pitch[6];
drm_intel_bo *bind_bo, *surf_bos[7];
#if 0
ErrorF("BroadwaterDisplayVideoTextured: %dx%d (pitch %d)\n", width, height,
video_pitch);
#endif
/* enable debug */
OUTREG (INST_PM,
(1 << (16 + 4)) |
(1 << 4));
#if 0
ErrorF ("INST_PM 0x%08x\n", INREG(INST_PM));
#endif
src_surf_base[0] = pPriv->YBuf0offset;
src_surf_base[1] = pPriv->YBuf0offset;
src_surf_base[2] = pPriv->VBuf0offset;
src_surf_base[3] = pPriv->VBuf0offset;
src_surf_base[4] = pPriv->UBuf0offset;
src_surf_base[5] = pPriv->UBuf0offset;
#if 0
ErrorF ("base 0 0x%x base 1 0x%x base 2 0x%x\n",
src_surf_base[0], src_surf_base[1], src_surf_base[2]);
#endif
switch (id) {
case FOURCC_UYVY:
src_surf_format = BRW_SURFACEFORMAT_YCRCB_SWAPY;
n_src_surf = 1;
src_width[0] = width;
src_height[0] = height;
src_pitch[0] = video_pitch;
break;
case FOURCC_YUY2:
src_surf_format = BRW_SURFACEFORMAT_YCRCB_NORMAL;
src_width[0] = width;
src_height[0] = height;
src_pitch[0] = video_pitch;
n_src_surf = 1;
break;
#ifdef INTEL_XVMC
case FOURCC_XVMC:
#endif
case FOURCC_I420:
case FOURCC_YV12:
src_surf_format = BRW_SURFACEFORMAT_R8_UNORM;
src_width[1] = src_width[0] = width;
src_height[1] = src_height[0] = height;
src_pitch[1] = src_pitch[0] = video_pitch * 2;
src_width[4] = src_width[5] = src_width[2] = src_width[3] = width / 2;
src_height[4] = src_height[5] = src_height[2] = src_height[3] = height / 2;
src_pitch[4] = src_pitch[5] = src_pitch[2] = src_pitch[3] = video_pitch;
n_src_surf = 6;
break;
default:
return;
}
IntelEmitInvarientState(pScrn);
*pI830->last_3d = LAST_3D_VIDEO;
#if 0
ErrorF("dst surf: 0x%08x\n", state_base_offset + dest_surf_offset);
ErrorF("src surf: 0x%08x\n", state_base_offset + src_surf_offset);
#endif
urb_vs_start = 0;
urb_vs_size = URB_VS_ENTRIES * URB_VS_ENTRY_SIZE;
urb_gs_start = urb_vs_start + urb_vs_size;
urb_gs_size = URB_GS_ENTRIES * URB_GS_ENTRY_SIZE;
urb_clip_start = urb_gs_start + urb_gs_size;
urb_clip_size = URB_CLIP_ENTRIES * URB_CLIP_ENTRY_SIZE;
urb_sf_start = urb_clip_start + urb_clip_size;
urb_sf_size = URB_SF_ENTRIES * URB_SF_ENTRY_SIZE;
urb_cs_start = urb_sf_start + urb_sf_size;
urb_cs_size = URB_CS_ENTRIES * URB_CS_ENTRY_SIZE;
/* We'll be poking the state buffers that could be in use by the 3d
* hardware here, but we should have synced the 3D engine already in
* I830PutImage.
*/
/* Upload kernels */
surf_bos[0] = i965_create_dst_surface_state(pScrn, pPixmap);
for (src_surf = 0; src_surf < n_src_surf; src_surf++) {
surf_bos[src_surf + 1] =
i965_create_src_surface_state(pScrn,
src_surf_base[src_surf],
src_width[src_surf],
src_height[src_surf],
src_pitch[src_surf],
src_surf_format);
}
bind_bo = i965_create_binding_table(pScrn, surf_bos, n_src_surf + 1);
for (i = 0; i < n_src_surf + 1; i++) {
drm_intel_bo_unreference(surf_bos[i]);
surf_bos[i] = NULL;
}
if (pI830->video.gen4_sampler_bo == NULL)
pI830->video.gen4_sampler_bo = i965_create_sampler_state(pScrn);
if (pI830->video.gen4_sip_kernel_bo == NULL)
pI830->video.gen4_sip_kernel_bo =
i965_create_program(pScrn, &sip_kernel_static[0][0],
sizeof(sip_kernel_static));
if (pI830->video.gen4_vs_bo == NULL)
pI830->video.gen4_vs_bo = i965_create_vs_state(pScrn);
if (pI830->video.gen4_sf_bo == NULL)
pI830->video.gen4_sf_bo = i965_create_sf_state(pScrn);
if (pI830->video.gen4_wm_packed_bo == NULL) {
pI830->video.gen4_wm_packed_bo =
i965_create_wm_state(pScrn, pI830->video.gen4_sampler_bo, TRUE);
}
if (pI830->video.gen4_wm_planar_bo == NULL) {
pI830->video.gen4_wm_planar_bo =
i965_create_wm_state(pScrn, pI830->video.gen4_sampler_bo, FALSE);
}
if (pI830->video.gen4_cc_bo == NULL)
pI830->video.gen4_cc_bo = i965_create_cc_state(pScrn);
{
BEGIN_BATCH(2);
OUT_BATCH(MI_FLUSH |
MI_STATE_INSTRUCTION_CACHE_FLUSH |
BRW_MI_GLOBAL_SNAPSHOT_RESET);
OUT_BATCH(MI_NOOP);
ADVANCE_BATCH();
}
/* brw_debug (pScrn, "before base address modify"); */
{
BEGIN_BATCH(12);
/* Match Mesa driver setup */
if (IS_G4X(pI830))
OUT_BATCH(NEW_PIPELINE_SELECT | PIPELINE_SELECT_3D);
else
OUT_BATCH(BRW_PIPELINE_SELECT | PIPELINE_SELECT_3D);
/* Mesa does this. Who knows... */
OUT_BATCH(BRW_CS_URB_STATE | 0);
OUT_BATCH((0 << 4) | /* URB Entry Allocation Size */
(0 << 0)); /* Number of URB Entries */
/* Zero out the two base address registers so all offsets are
* absolute
*/
OUT_BATCH(BRW_STATE_BASE_ADDRESS | 4);
OUT_BATCH(0 | BASE_ADDRESS_MODIFY); /* Generate state base address */
OUT_BATCH(0 | BASE_ADDRESS_MODIFY); /* Surface state base address */
OUT_BATCH(0 | BASE_ADDRESS_MODIFY); /* media base addr, don't care */
/* general state max addr, disabled */
OUT_BATCH(0x10000000 | BASE_ADDRESS_MODIFY);
/* media object state max addr, disabled */
OUT_BATCH(0x10000000 | BASE_ADDRESS_MODIFY);
/* Set system instruction pointer */
OUT_BATCH(BRW_STATE_SIP | 0);
/* system instruction pointer */
OUT_RELOC(pI830->video.gen4_sip_kernel_bo,
I915_GEM_DOMAIN_INSTRUCTION, 0, 0);
OUT_BATCH(MI_NOOP);
ADVANCE_BATCH();
}
/* brw_debug (pScrn, "after base address modify"); */
{
BEGIN_BATCH(38);
/* Enable VF statistics */
OUT_BATCH(BRW_3DSTATE_VF_STATISTICS | 1);
/* Pipe control */
OUT_BATCH(BRW_PIPE_CONTROL |
BRW_PIPE_CONTROL_NOWRITE |
BRW_PIPE_CONTROL_IS_FLUSH |
2);
OUT_BATCH(0); /* Destination address */
OUT_BATCH(0); /* Immediate data low DW */
OUT_BATCH(0); /* Immediate data high DW */
/* Binding table pointers */
OUT_BATCH(BRW_3DSTATE_BINDING_TABLE_POINTERS | 4);
OUT_BATCH(0); /* vs */
OUT_BATCH(0); /* gs */
OUT_BATCH(0); /* clip */
OUT_BATCH(0); /* sf */
/* Only the PS uses the binding table */
OUT_RELOC(bind_bo, I915_GEM_DOMAIN_INSTRUCTION, 0, 0);
drm_intel_bo_unreference(bind_bo);
/* Blend constant color (magenta is fun) */
OUT_BATCH(BRW_3DSTATE_CONSTANT_COLOR | 3);
OUT_BATCH(float_to_uint (1.0));
OUT_BATCH(float_to_uint (0.0));
OUT_BATCH(float_to_uint (1.0));
OUT_BATCH(float_to_uint (1.0));
/* The drawing rectangle clipping is always on. Set it to values that
* shouldn't do any clipping.
*/
OUT_BATCH(BRW_3DSTATE_DRAWING_RECTANGLE | 2); /* XXX 3 for BLC or CTG */
OUT_BATCH(0x00000000); /* ymin, xmin */
OUT_BATCH((pScrn->virtualX - 1) |
(pScrn->virtualY - 1) << 16); /* ymax, xmax */
OUT_BATCH(0x00000000); /* yorigin, xorigin */
/* skip the depth buffer */
/* skip the polygon stipple */
/* skip the polygon stipple offset */
/* skip the line stipple */
/* Set the pointers to the 3d pipeline state */
OUT_BATCH(BRW_3DSTATE_PIPELINED_POINTERS | 5);
OUT_RELOC(pI830->video.gen4_vs_bo, I915_GEM_DOMAIN_INSTRUCTION, 0, 0);
/* disable GS, resulting in passthrough */
OUT_BATCH(BRW_GS_DISABLE);
/* disable CLIP, resulting in passthrough */
OUT_BATCH(BRW_CLIP_DISABLE);
OUT_RELOC(pI830->video.gen4_sf_bo, I915_GEM_DOMAIN_INSTRUCTION, 0, 0);
if (n_src_surf == 1)
OUT_RELOC(pI830->video.gen4_wm_packed_bo,
I915_GEM_DOMAIN_INSTRUCTION, 0, 0);
else
OUT_RELOC(pI830->video.gen4_wm_planar_bo,
I915_GEM_DOMAIN_INSTRUCTION, 0, 0);
OUT_RELOC(pI830->video.gen4_cc_bo, I915_GEM_DOMAIN_INSTRUCTION, 0, 0);
/* URB fence */
OUT_BATCH(BRW_URB_FENCE |
UF0_CS_REALLOC |
UF0_SF_REALLOC |
UF0_CLIP_REALLOC |
UF0_GS_REALLOC |
UF0_VS_REALLOC |
1);
OUT_BATCH(((urb_clip_start + urb_clip_size) << UF1_CLIP_FENCE_SHIFT) |
((urb_gs_start + urb_gs_size) << UF1_GS_FENCE_SHIFT) |
((urb_vs_start + urb_vs_size) << UF1_VS_FENCE_SHIFT));
OUT_BATCH(((urb_cs_start + urb_cs_size) << UF2_CS_FENCE_SHIFT) |
((urb_sf_start + urb_sf_size) << UF2_SF_FENCE_SHIFT));
/* Constant buffer state */
OUT_BATCH(BRW_CS_URB_STATE | 0);
OUT_BATCH(((URB_CS_ENTRY_SIZE - 1) << 4) |
(URB_CS_ENTRIES << 0));
/* Set up our vertex elements, sourced from the single vertex buffer. */
OUT_BATCH(BRW_3DSTATE_VERTEX_ELEMENTS | 3);
/* offset 0: X,Y -> {X, Y, 1.0, 1.0} */
OUT_BATCH((0 << VE0_VERTEX_BUFFER_INDEX_SHIFT) |
VE0_VALID |
(BRW_SURFACEFORMAT_R32G32_FLOAT << VE0_FORMAT_SHIFT) |
(0 << VE0_OFFSET_SHIFT));
OUT_BATCH((BRW_VFCOMPONENT_STORE_SRC << VE1_VFCOMPONENT_0_SHIFT) |
(BRW_VFCOMPONENT_STORE_SRC << VE1_VFCOMPONENT_1_SHIFT) |
(BRW_VFCOMPONENT_STORE_1_FLT << VE1_VFCOMPONENT_2_SHIFT) |
(BRW_VFCOMPONENT_STORE_1_FLT << VE1_VFCOMPONENT_3_SHIFT) |
(0 << VE1_DESTINATION_ELEMENT_OFFSET_SHIFT));
/* offset 8: S0, T0 -> {S0, T0, 1.0, 1.0} */
OUT_BATCH((0 << VE0_VERTEX_BUFFER_INDEX_SHIFT) |
VE0_VALID |
(BRW_SURFACEFORMAT_R32G32_FLOAT << VE0_FORMAT_SHIFT) |
(8 << VE0_OFFSET_SHIFT));
OUT_BATCH((BRW_VFCOMPONENT_STORE_SRC << VE1_VFCOMPONENT_0_SHIFT) |
(BRW_VFCOMPONENT_STORE_SRC << VE1_VFCOMPONENT_1_SHIFT) |
(BRW_VFCOMPONENT_STORE_1_FLT << VE1_VFCOMPONENT_2_SHIFT) |
(BRW_VFCOMPONENT_STORE_1_FLT << VE1_VFCOMPONENT_3_SHIFT) |
(4 << VE1_DESTINATION_ELEMENT_OFFSET_SHIFT));
OUT_BATCH(MI_NOOP); /* pad to quadword */
ADVANCE_BATCH();
}
/* Set up the offset for translating from the given region (in screen
* coordinates) to the backing pixmap.
*/
#ifdef COMPOSITE
pix_xoff = -pPixmap->screen_x + pPixmap->drawable.x;
pix_yoff = -pPixmap->screen_y + pPixmap->drawable.y;
#else
pix_xoff = 0;
pix_yoff = 0;
#endif
dxo = dstRegion->extents.x1;
dyo = dstRegion->extents.y1;
/* Use normalized texture coordinates */
src_scale_x = ((float)src_w / width) / (float)drw_w;
src_scale_y = ((float)src_h / height) / (float)drw_h;
pbox = REGION_RECTS(dstRegion);
nbox = REGION_NUM_RECTS(dstRegion);
while (nbox--) {
int box_x1 = pbox->x1;
int box_y1 = pbox->y1;
int box_x2 = pbox->x2;
int box_y2 = pbox->y2;
int i;
drm_intel_bo *vb_bo;
float *vb;
pbox++;
vb_bo = drm_intel_bo_alloc(pI830->bufmgr, "textured video vb",
4096, 4096);
drm_intel_bo_map(vb_bo, TRUE);
vb = vb_bo->virtual;
i = 0;
vb[i++] = (box_x2 - dxo) * src_scale_x;
vb[i++] = (box_y2 - dyo) * src_scale_y;
vb[i++] = (float) box_x2 + pix_xoff;
vb[i++] = (float) box_y2 + pix_yoff;
vb[i++] = (box_x1 - dxo) * src_scale_x;
vb[i++] = (box_y2 - dyo) * src_scale_y;
vb[i++] = (float) box_x1 + pix_xoff;
vb[i++] = (float) box_y2 + pix_yoff;
vb[i++] = (box_x1 - dxo) * src_scale_x;
vb[i++] = (box_y1 - dyo) * src_scale_y;
vb[i++] = (float) box_x1 + pix_xoff;
vb[i++] = (float) box_y1 + pix_yoff;
drm_intel_bo_unmap(vb_bo);
i965_pre_draw_debug(pScrn);
BEGIN_BATCH(10);
/* Set up the pointer to our vertex buffer */
OUT_BATCH(BRW_3DSTATE_VERTEX_BUFFERS | 2);
/* four 32-bit floats per vertex */
OUT_BATCH((0 << VB0_BUFFER_INDEX_SHIFT) |
VB0_VERTEXDATA |
((4 * 4) << VB0_BUFFER_PITCH_SHIFT));
OUT_RELOC(vb_bo, I915_GEM_DOMAIN_VERTEX, 0, 0);
OUT_BATCH(3); /* four corners to our rectangle */
OUT_BATCH(BRW_3DPRIMITIVE |
BRW_3DPRIMITIVE_VERTEX_SEQUENTIAL |
(_3DPRIM_RECTLIST << BRW_3DPRIMITIVE_TOPOLOGY_SHIFT) |
(0 << 9) | /* CTG - indirect vertex count */
4);
OUT_BATCH(3); /* vertex count per instance */
OUT_BATCH(0); /* start vertex offset */
OUT_BATCH(1); /* single instance */
OUT_BATCH(0); /* start instance location */
OUT_BATCH(0); /* index buffer offset, ignored */
ADVANCE_BATCH();
drm_intel_bo_unreference(vb_bo);
i965_post_draw_debug(pScrn);
}
i830MarkSync(pScrn);
#if WATCH_STATS
i830_dump_error_state(pScrn);
#endif
}
void
i965_free_video(ScrnInfoPtr scrn)
{
I830Ptr pI830 = I830PTR(scrn);
drm_intel_bo_unreference(pI830->video.gen4_vs_bo);
pI830->video.gen4_vs_bo = NULL;
drm_intel_bo_unreference(pI830->video.gen4_sf_bo);
pI830->video.gen4_sf_bo = NULL;
drm_intel_bo_unreference(pI830->video.gen4_cc_bo);
pI830->video.gen4_cc_bo = NULL;
drm_intel_bo_unreference(pI830->video.gen4_wm_packed_bo);
pI830->video.gen4_wm_packed_bo = NULL;
drm_intel_bo_unreference(pI830->video.gen4_wm_planar_bo);
pI830->video.gen4_wm_planar_bo = NULL;
drm_intel_bo_unreference(pI830->video.gen4_cc_vp_bo);
pI830->video.gen4_cc_vp_bo = NULL;
drm_intel_bo_unreference(pI830->video.gen4_sampler_bo);
pI830->video.gen4_sampler_bo = NULL;
drm_intel_bo_unreference(pI830->video.gen4_sip_kernel_bo);
pI830->video.gen4_sip_kernel_bo = NULL;
}
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