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xf86-video-intel/src/i965_render.c

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/*
* Copyright © 2006,2008 Intel Corporation
* Copyright © 2007 Red Hat, Inc.
*
* 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:
* Wang Zhenyu <zhenyu.z.wang@intel.com>
* Eric Anholt <eric@anholt.net>
* Carl Worth <cworth@redhat.com>
* Keith Packard <keithp@keithp.com>
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <assert.h>
#include "xf86.h"
#include "i830.h"
#include "i915_reg.h"
/* bring in brw structs */
#include "brw_defines.h"
#include "brw_structs.h"
#ifdef I830DEBUG
#define DEBUG_I830FALLBACK 1
#endif
#ifdef DEBUG_I830FALLBACK
#define I830FALLBACK(s, arg...) \
do { \
DPRINTF(PFX, "EXA fallback: " s "\n", ##arg); \
return FALSE; \
} while(0)
#else
#define I830FALLBACK(s, arg...) \
do { \
return FALSE; \
} while(0)
#endif
#define MAX_VERTEX_PER_COMPOSITE 24
#define MAX_VERTEX_BUFFERS 256
struct blendinfo {
Bool dst_alpha;
Bool src_alpha;
uint32_t src_blend;
uint32_t dst_blend;
};
struct formatinfo {
int fmt;
uint32_t card_fmt;
};
// refer vol2, 3d rasterization 3.8.1
/* defined in brw_defines.h */
static struct blendinfo i965_blend_op[] = {
/* Clear */
{0, 0, BRW_BLENDFACTOR_ZERO, BRW_BLENDFACTOR_ZERO},
/* Src */
{0, 0, BRW_BLENDFACTOR_ONE, BRW_BLENDFACTOR_ZERO},
/* Dst */
{0, 0, BRW_BLENDFACTOR_ZERO, BRW_BLENDFACTOR_ONE},
/* Over */
{0, 1, BRW_BLENDFACTOR_ONE, BRW_BLENDFACTOR_INV_SRC_ALPHA},
/* OverReverse */
{1, 0, BRW_BLENDFACTOR_INV_DST_ALPHA, BRW_BLENDFACTOR_ONE},
/* In */
{1, 0, BRW_BLENDFACTOR_DST_ALPHA, BRW_BLENDFACTOR_ZERO},
/* InReverse */
{0, 1, BRW_BLENDFACTOR_ZERO, BRW_BLENDFACTOR_SRC_ALPHA},
/* Out */
{1, 0, BRW_BLENDFACTOR_INV_DST_ALPHA, BRW_BLENDFACTOR_ZERO},
/* OutReverse */
{0, 1, BRW_BLENDFACTOR_ZERO, BRW_BLENDFACTOR_INV_SRC_ALPHA},
/* Atop */
{1, 1, BRW_BLENDFACTOR_DST_ALPHA, BRW_BLENDFACTOR_INV_SRC_ALPHA},
/* AtopReverse */
{1, 1, BRW_BLENDFACTOR_INV_DST_ALPHA, BRW_BLENDFACTOR_SRC_ALPHA},
/* Xor */
{1, 1, BRW_BLENDFACTOR_INV_DST_ALPHA, BRW_BLENDFACTOR_INV_SRC_ALPHA},
/* Add */
{0, 0, BRW_BLENDFACTOR_ONE, BRW_BLENDFACTOR_ONE},
};
/**
* Highest-valued BLENDFACTOR used in i965_blend_op.
*
* This leaves out BRW_BLENDFACTOR_INV_DST_COLOR,
* BRW_BLENDFACTOR_INV_CONST_{COLOR,ALPHA},
* BRW_BLENDFACTOR_INV_SRC1_{COLOR,ALPHA}
*/
#define BRW_BLENDFACTOR_COUNT (BRW_BLENDFACTOR_INV_DST_ALPHA + 1)
/* FIXME: surface format defined in brw_defines.h, shared Sampling engine
* 1.7.2
*/
static struct formatinfo i965_tex_formats[] = {
{PICT_a8r8g8b8, BRW_SURFACEFORMAT_B8G8R8A8_UNORM },
{PICT_x8r8g8b8, BRW_SURFACEFORMAT_B8G8R8X8_UNORM },
{PICT_a8b8g8r8, BRW_SURFACEFORMAT_R8G8B8A8_UNORM },
{PICT_x8b8g8r8, BRW_SURFACEFORMAT_R8G8B8X8_UNORM },
{PICT_r5g6b5, BRW_SURFACEFORMAT_B5G6R5_UNORM },
{PICT_a1r5g5b5, BRW_SURFACEFORMAT_B5G5R5A1_UNORM },
{PICT_a8, BRW_SURFACEFORMAT_A8_UNORM },
};
static void i965_get_blend_cntl(int op, PicturePtr pMask, uint32_t dst_format,
uint32_t *sblend, uint32_t *dblend)
{
*sblend = i965_blend_op[op].src_blend;
*dblend = i965_blend_op[op].dst_blend;
/* If there's no dst alpha channel, adjust the blend op so that we'll treat
* it as always 1.
*/
if (PICT_FORMAT_A(dst_format) == 0 && i965_blend_op[op].dst_alpha) {
if (*sblend == BRW_BLENDFACTOR_DST_ALPHA)
*sblend = BRW_BLENDFACTOR_ONE;
else if (*sblend == BRW_BLENDFACTOR_INV_DST_ALPHA)
*sblend = BRW_BLENDFACTOR_ZERO;
}
/* If the source alpha is being used, then we should only be in a case where
* the source blend factor is 0, and the source blend value is the mask
* channels multiplied by the source picture's alpha.
*/
if (pMask && pMask->componentAlpha && PICT_FORMAT_RGB(pMask->format)
&& i965_blend_op[op].src_alpha) {
if (*dblend == BRW_BLENDFACTOR_SRC_ALPHA) {
*dblend = BRW_BLENDFACTOR_SRC_COLOR;
} else if (*dblend == BRW_BLENDFACTOR_INV_SRC_ALPHA) {
*dblend = BRW_BLENDFACTOR_INV_SRC_COLOR;
}
}
}
static Bool i965_get_dest_format(PicturePtr pDstPicture, uint32_t *dst_format)
{
switch (pDstPicture->format) {
case PICT_a8r8g8b8:
case PICT_x8r8g8b8:
*dst_format = BRW_SURFACEFORMAT_B8G8R8A8_UNORM;
break;
case PICT_r5g6b5:
*dst_format = BRW_SURFACEFORMAT_B5G6R5_UNORM;
break;
case PICT_a1r5g5b5:
*dst_format = BRW_SURFACEFORMAT_B5G5R5A1_UNORM;
break;
case PICT_x1r5g5b5:
*dst_format = BRW_SURFACEFORMAT_B5G5R5X1_UNORM;
break;
case PICT_a8:
*dst_format = BRW_SURFACEFORMAT_A8_UNORM;
break;
case PICT_a4r4g4b4:
case PICT_x4r4g4b4:
*dst_format = BRW_SURFACEFORMAT_B4G4R4A4_UNORM;
break;
default:
I830FALLBACK("Unsupported dest format 0x%x\n",
(int)pDstPicture->format);
}
return TRUE;
}
static Bool i965_check_composite_texture(PicturePtr pPict, int unit)
{
int w = pPict->pDrawable->width;
int h = pPict->pDrawable->height;
int i;
if ((w > 8192) || (h > 8192))
I830FALLBACK("Picture w/h too large (%dx%d)\n", w, h);
for (i = 0; i < sizeof(i965_tex_formats) / sizeof(i965_tex_formats[0]);
i++)
{
if (i965_tex_formats[i].fmt == pPict->format)
break;
}
if (i == sizeof(i965_tex_formats) / sizeof(i965_tex_formats[0]))
I830FALLBACK("Unsupported picture format 0x%x\n",
(int)pPict->format);
if (pPict->repeatType > RepeatReflect)
I830FALLBACK("extended repeat (%d) not supported\n",
pPict->repeatType);
if (pPict->filter != PictFilterNearest &&
pPict->filter != PictFilterBilinear)
{
I830FALLBACK("Unsupported filter 0x%x\n", pPict->filter);
}
return TRUE;
}
Bool
i965_check_composite(int op, PicturePtr pSrcPicture, PicturePtr pMaskPicture,
PicturePtr pDstPicture)
{
uint32_t tmp1;
/* Check for unsupported compositing operations. */
if (op >= sizeof(i965_blend_op) / sizeof(i965_blend_op[0]))
I830FALLBACK("Unsupported Composite op 0x%x\n", op);
if (pMaskPicture && pMaskPicture->componentAlpha &&
PICT_FORMAT_RGB(pMaskPicture->format)) {
/* Check if it's component alpha that relies on a source alpha and on
* the source value. We can only get one of those into the single
* source value that we get to blend with.
*/
if (i965_blend_op[op].src_alpha &&
(i965_blend_op[op].src_blend != BRW_BLENDFACTOR_ZERO))
{
I830FALLBACK("Component alpha not supported with source "
"alpha and source value blending.\n");
}
}
if (!i965_check_composite_texture(pSrcPicture, 0))
I830FALLBACK("Check Src picture texture\n");
if (pMaskPicture != NULL && !i965_check_composite_texture(pMaskPicture, 1))
I830FALLBACK("Check Mask picture texture\n");
if (!i965_get_dest_format(pDstPicture, &tmp1))
I830FALLBACK("Get Color buffer format\n");
return TRUE;
}
#define ALIGN(i,m) (((i) + (m) - 1) & ~((m) - 1))
#define MIN(a,b) ((a) < (b) ? (a) : (b))
#define BRW_GRF_BLOCKS(nreg) ((nreg + 15) / 16 - 1)
/* Set up a default static partitioning of the URB, which is supposed to
* allow anything we would want to do, at potentially lower performance.
*/
#define URB_CS_ENTRY_SIZE 0
#define URB_CS_ENTRIES 0
#define URB_VS_ENTRY_SIZE 1 // each 512-bit row
#define URB_VS_ENTRIES 8 // we needs at least 8 entries
#define URB_GS_ENTRY_SIZE 0
#define URB_GS_ENTRIES 0
#define URB_CLIP_ENTRY_SIZE 0
#define URB_CLIP_ENTRIES 0
#define URB_SF_ENTRY_SIZE 2
#define URB_SF_ENTRIES 1
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
*/
#define SF_KERNEL_NUM_GRF 16
#define SF_MAX_THREADS 2
static const uint32_t sf_kernel_static[][4] = {
#include "exa_sf.g4b"
};
static const uint32_t sf_kernel_mask_static[][4] = {
#include "exa_sf_mask.g4b"
};
/* ps kernels */
#define PS_KERNEL_NUM_GRF 32
#define PS_MAX_THREADS 48
#define PS_SCRATCH_SPACE 1024
#define PS_SCRATCH_SPACE_LOG 0 /* log2 (PS_SCRATCH_SPACE) - 10 (1024 is 0, 2048 is 1) */
static const uint32_t ps_kernel_nomask_affine_static [][4] = {
#include "exa_wm_xy.g4b"
#include "exa_wm_src_affine.g4b"
#include "exa_wm_src_sample_argb.g4b"
#include "exa_wm_write.g4b"
};
static const uint32_t ps_kernel_nomask_projective_static [][4] = {
#include "exa_wm_xy.g4b"
#include "exa_wm_src_projective.g4b"
#include "exa_wm_src_sample_argb.g4b"
#include "exa_wm_write.g4b"
};
static const uint32_t ps_kernel_maskca_affine_static [][4] = {
#include "exa_wm_xy.g4b"
#include "exa_wm_src_affine.g4b"
#include "exa_wm_src_sample_argb.g4b"
#include "exa_wm_mask_affine.g4b"
#include "exa_wm_mask_sample_argb.g4b"
#include "exa_wm_ca.g4b"
#include "exa_wm_write.g4b"
};
static const uint32_t ps_kernel_maskca_projective_static [][4] = {
#include "exa_wm_xy.g4b"
#include "exa_wm_src_projective.g4b"
#include "exa_wm_src_sample_argb.g4b"
#include "exa_wm_mask_projective.g4b"
#include "exa_wm_mask_sample_argb.g4b"
#include "exa_wm_ca.g4b"
#include "exa_wm_write.g4b"
};
static const uint32_t ps_kernel_maskca_srcalpha_affine_static [][4] = {
#include "exa_wm_xy.g4b"
#include "exa_wm_src_affine.g4b"
#include "exa_wm_src_sample_a.g4b"
#include "exa_wm_mask_affine.g4b"
#include "exa_wm_mask_sample_argb.g4b"
#include "exa_wm_ca_srcalpha.g4b"
#include "exa_wm_write.g4b"
};
static const uint32_t ps_kernel_maskca_srcalpha_projective_static [][4] = {
#include "exa_wm_xy.g4b"
#include "exa_wm_src_projective.g4b"
#include "exa_wm_src_sample_a.g4b"
#include "exa_wm_mask_projective.g4b"
#include "exa_wm_mask_sample_argb.g4b"
#include "exa_wm_ca_srcalpha.g4b"
#include "exa_wm_write.g4b"
};
static const uint32_t ps_kernel_masknoca_affine_static [][4] = {
#include "exa_wm_xy.g4b"
#include "exa_wm_src_affine.g4b"
#include "exa_wm_src_sample_argb.g4b"
#include "exa_wm_mask_affine.g4b"
#include "exa_wm_mask_sample_a.g4b"
#include "exa_wm_noca.g4b"
#include "exa_wm_write.g4b"
};
static const uint32_t ps_kernel_masknoca_projective_static [][4] = {
#include "exa_wm_xy.g4b"
#include "exa_wm_src_projective.g4b"
#include "exa_wm_src_sample_argb.g4b"
#include "exa_wm_mask_projective.g4b"
#include "exa_wm_mask_sample_a.g4b"
#include "exa_wm_noca.g4b"
#include "exa_wm_write.g4b"
};
/**
* Storage for the static kernel data with template name, rounded to 64 bytes.
*/
#define KERNEL_DECL(template) \
uint32_t template [((sizeof (template ## _static) + 63) & ~63) / 16][4];
#define WM_STATE_DECL(kernel) \
struct brw_wm_unit_state wm_state_ ## kernel[SAMPLER_STATE_FILTER_COUNT] \
[SAMPLER_STATE_EXTEND_COUNT] \
[SAMPLER_STATE_FILTER_COUNT] \
[SAMPLER_STATE_EXTEND_COUNT]
/* Many of the fields in the state structure must be aligned to a
* 64-byte boundary, (or a 32-byte boundary, but 64 is good enough for
* those too).
*/
#define PAD64_MULTI(previous, idx, factor) char previous ## _pad ## idx [(64 - (sizeof(struct previous) * (factor)) % 64) % 64]
#define PAD64(previous, idx) PAD64_MULTI(previous, idx, 1)
typedef enum {
SAMPLER_STATE_FILTER_NEAREST,
SAMPLER_STATE_FILTER_BILINEAR,
SAMPLER_STATE_FILTER_COUNT
} sampler_state_filter_t;
typedef enum {
SAMPLER_STATE_EXTEND_NONE,
SAMPLER_STATE_EXTEND_REPEAT,
SAMPLER_STATE_EXTEND_PAD,
SAMPLER_STATE_EXTEND_REFLECT,
SAMPLER_STATE_EXTEND_COUNT
} sampler_state_extend_t;
typedef struct _brw_cc_unit_state_padded {
struct brw_cc_unit_state state;
char pad[64 - sizeof (struct brw_cc_unit_state)];
} brw_cc_unit_state_padded;
typedef struct brw_surface_state_padded {
struct brw_surface_state state;
char pad[32 - sizeof (struct brw_surface_state)];
} brw_surface_state_padded;
/**
* Gen4 rendering state buffer structure.
*
* Ideally this structure would contain static data for all of the
* combinations of state that we use for Render acceleration, and another
* buffer would be the use-and-throw-away surface and vertex data. See the
* intel-batchbuffer branch for an implementation of that. For now, it
* has the static program data, and then a changing buffer containing all
* the rest.
*/
typedef struct _gen4_state {
uint8_t wm_scratch[128 * PS_MAX_THREADS];
KERNEL_DECL (sip_kernel);
KERNEL_DECL (sf_kernel);
KERNEL_DECL (sf_kernel_mask);
KERNEL_DECL (ps_kernel_nomask_affine);
KERNEL_DECL (ps_kernel_nomask_projective);
KERNEL_DECL (ps_kernel_maskca_affine);
KERNEL_DECL (ps_kernel_maskca_projective);
KERNEL_DECL (ps_kernel_maskca_srcalpha_affine);
KERNEL_DECL (ps_kernel_maskca_srcalpha_projective);
KERNEL_DECL (ps_kernel_masknoca_affine);
KERNEL_DECL (ps_kernel_masknoca_projective);
struct brw_vs_unit_state vs_state;
PAD64 (brw_vs_unit_state, 0);
struct brw_sf_unit_state sf_state;
PAD64 (brw_sf_unit_state, 0);
struct brw_sf_unit_state sf_state_mask;
PAD64 (brw_sf_unit_state, 1);
WM_STATE_DECL (nomask_affine);
WM_STATE_DECL (nomask_projective);
WM_STATE_DECL (maskca_affine);
WM_STATE_DECL (maskca_projective);
WM_STATE_DECL (maskca_srcalpha_affine);
WM_STATE_DECL (maskca_srcalpha_projective);
WM_STATE_DECL (masknoca_affine);
WM_STATE_DECL (masknoca_projective);
uint32_t binding_table[128];
struct brw_surface_state_padded surface_state[32];
/* Index by [src_filter][src_extend][mask_filter][mask_extend]. Two of
* the structs happen to add to 32 bytes.
*/
struct brw_sampler_state sampler_state[SAMPLER_STATE_FILTER_COUNT]
[SAMPLER_STATE_EXTEND_COUNT]
[SAMPLER_STATE_FILTER_COUNT]
[SAMPLER_STATE_EXTEND_COUNT][2];
struct brw_sampler_legacy_border_color sampler_border_color;
PAD64 (brw_sampler_legacy_border_color, 0);
/* Index by [src_blend][dst_blend] */
brw_cc_unit_state_padded cc_state[BRW_BLENDFACTOR_COUNT]
[BRW_BLENDFACTOR_COUNT];
struct brw_cc_viewport cc_viewport;
PAD64 (brw_cc_viewport, 0);
float vb[MAX_VERTEX_PER_COMPOSITE * MAX_VERTEX_BUFFERS];
} gen4_state_t;
/** Private data for gen4 render accel implementation. */
struct gen4_render_state {
gen4_state_t *card_state;
uint32_t card_state_offset;
int binding_table_index;
int surface_state_index;
int vb_offset;
int vertex_size;
};
/**
* Sets up the SF state pointing at an SF kernel.
*
* The SF kernel does 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.
*/
static void
sf_state_init (struct brw_sf_unit_state *sf_state, int kernel_offset)
{
memset(sf_state, 0, sizeof(*sf_state));
sf_state->thread0.grf_reg_count = BRW_GRF_BLOCKS(SF_KERNEL_NUM_GRF);
sf_state->sf1.single_program_flow = 1;
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 */
/* don't smash vertex header, read start from dw8 */
sf_state->thread3.urb_entry_read_offset = 1;
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;
assert((kernel_offset & 63) == 0);
sf_state->thread0.kernel_start_pointer = kernel_offset >> 6;
}
static void
sampler_state_init (struct brw_sampler_state *sampler_state,
sampler_state_filter_t filter,
sampler_state_extend_t extend,
int border_color_offset)
{
/* PS kernel use this sampler */
memset(sampler_state, 0, sizeof(*sampler_state));
sampler_state->ss0.lod_preclamp = 1; /* GL mode */
/* We use the legacy mode to get the semantics specified by
* the Render extension. */
sampler_state->ss0.border_color_mode = BRW_BORDER_COLOR_MODE_LEGACY;
switch(filter) {
default:
case SAMPLER_STATE_FILTER_NEAREST:
sampler_state->ss0.min_filter = BRW_MAPFILTER_NEAREST;
sampler_state->ss0.mag_filter = BRW_MAPFILTER_NEAREST;
break;
case SAMPLER_STATE_FILTER_BILINEAR:
sampler_state->ss0.min_filter = BRW_MAPFILTER_LINEAR;
sampler_state->ss0.mag_filter = BRW_MAPFILTER_LINEAR;
break;
}
switch (extend) {
default:
case SAMPLER_STATE_EXTEND_NONE:
sampler_state->ss1.r_wrap_mode = BRW_TEXCOORDMODE_CLAMP_BORDER;
sampler_state->ss1.s_wrap_mode = BRW_TEXCOORDMODE_CLAMP_BORDER;
sampler_state->ss1.t_wrap_mode = BRW_TEXCOORDMODE_CLAMP_BORDER;
break;
case SAMPLER_STATE_EXTEND_REPEAT:
sampler_state->ss1.r_wrap_mode = BRW_TEXCOORDMODE_WRAP;
sampler_state->ss1.s_wrap_mode = BRW_TEXCOORDMODE_WRAP;
sampler_state->ss1.t_wrap_mode = BRW_TEXCOORDMODE_WRAP;
break;
case SAMPLER_STATE_EXTEND_PAD:
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;
break;
case SAMPLER_STATE_EXTEND_REFLECT:
sampler_state->ss1.r_wrap_mode = BRW_TEXCOORDMODE_MIRROR;
sampler_state->ss1.s_wrap_mode = BRW_TEXCOORDMODE_MIRROR;
sampler_state->ss1.t_wrap_mode = BRW_TEXCOORDMODE_MIRROR;
break;
}
assert((border_color_offset & 31) == 0);
sampler_state->ss2.border_color_pointer = border_color_offset >> 5;
sampler_state->ss3.chroma_key_enable = 0; /* disable chromakey */
}
static void
cc_state_init (struct brw_cc_unit_state *cc_state,
int src_blend,
int dst_blend,
int cc_viewport_offset)
{
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 = 0; /* disable logic op */
cc_state->cc3.ia_blend_enable = 0; /* blend alpha same as colors */
cc_state->cc3.blend_enable = 1; /* enable color blend */
cc_state->cc3.alpha_test = 0; /* disable alpha test */
assert((cc_viewport_offset & 31) == 0);
cc_state->cc4.cc_viewport_state_offset = cc_viewport_offset >> 5;
cc_state->cc5.dither_enable = 0; /* disable dither */
cc_state->cc5.logicop_func = 0xc; /* COPY */
cc_state->cc5.statistics_enable = 1;
cc_state->cc5.ia_blend_function = BRW_BLENDFUNCTION_ADD;
/* Fill in alpha blend factors same as color, for the future. */
cc_state->cc5.ia_src_blend_factor = src_blend;
cc_state->cc5.ia_dest_blend_factor = dst_blend;
cc_state->cc6.blend_function = BRW_BLENDFUNCTION_ADD;
cc_state->cc6.clamp_post_alpha_blend = 1;
cc_state->cc6.clamp_pre_alpha_blend = 1;
cc_state->cc6.clamp_range = 0; /* clamp range [0,1] */
cc_state->cc6.src_blend_factor = src_blend;
cc_state->cc6.dest_blend_factor = dst_blend;
}
static void
wm_state_init (struct brw_wm_unit_state *wm_state,
Bool has_mask,
int scratch_offset,
int kernel_offset,
int sampler_state_offset)
{
memset(wm_state, 0, sizeof (*wm_state));
wm_state->thread0.grf_reg_count = BRW_GRF_BLOCKS(PS_KERNEL_NUM_GRF);
wm_state->thread1.single_program_flow = 0;
assert((scratch_offset & 1023) == 0);
wm_state->thread2.scratch_space_base_pointer = scratch_offset >> 10;
wm_state->thread2.per_thread_scratch_space = PS_SCRATCH_SPACE_LOG;
wm_state->thread3.const_urb_entry_read_length = 0;
wm_state->thread3.const_urb_entry_read_offset = 0;
wm_state->thread3.urb_entry_read_offset = 0;
/* wm kernel use urb from 3, see wm_program in compiler module */
wm_state->thread3.dispatch_grf_start_reg = 3; /* must match kernel */
wm_state->wm4.stats_enable = 1; /* statistic */
assert((sampler_state_offset & 31) == 0);
wm_state->wm4.sampler_state_pointer = sampler_state_offset >> 5;
wm_state->wm4.sampler_count = 1; /* 1-4 samplers used */
wm_state->wm5.max_threads = PS_MAX_THREADS - 1;
wm_state->wm5.transposed_urb_read = 0;
wm_state->wm5.thread_dispatch_enable = 1;
/* just use 16-pixel dispatch (4 subspans), don't need to change kernel
* start point
*/
wm_state->wm5.enable_16_pix = 1;
wm_state->wm5.enable_8_pix = 0;
wm_state->wm5.early_depth_test = 1;
assert((kernel_offset & 63) == 0);
wm_state->thread0.kernel_start_pointer = kernel_offset >> 6;
/* Each pair of attributes (src/mask coords) is two URB entries */
if (has_mask) {
wm_state->thread1.binding_table_entry_count = 3; /* 2 tex and fb */
wm_state->thread3.urb_entry_read_length = 4;
} else {
wm_state->thread1.binding_table_entry_count = 2; /* 1 tex and fb */
wm_state->thread3.urb_entry_read_length = 2;
}
}
/**
* Called at EnterVT to fill in our state buffer with any static information.
*/
static void
gen4_state_init (struct gen4_render_state *render_state)
{
int i, j, k, l;
gen4_state_t *card_state = render_state->card_state;
uint32_t state_base_offset = render_state->card_state_offset;
#define KERNEL_COPY(kernel) \
memcpy(card_state->kernel, kernel ## _static, sizeof(kernel ## _static))
KERNEL_COPY (sip_kernel);
KERNEL_COPY (sf_kernel);
KERNEL_COPY (sf_kernel_mask);
KERNEL_COPY (ps_kernel_nomask_affine);
KERNEL_COPY (ps_kernel_nomask_projective);
KERNEL_COPY (ps_kernel_maskca_affine);
KERNEL_COPY (ps_kernel_maskca_projective);
KERNEL_COPY (ps_kernel_maskca_srcalpha_affine);
KERNEL_COPY (ps_kernel_maskca_srcalpha_projective);
KERNEL_COPY (ps_kernel_masknoca_affine);
KERNEL_COPY (ps_kernel_masknoca_projective);
#undef KERNEL_COPY
/* Set up the vertex shader to be disabled (passthrough) */
memset(&card_state->vs_state, 0, sizeof(card_state->vs_state));
card_state->vs_state.thread4.nr_urb_entries = URB_VS_ENTRIES;
card_state->vs_state.thread4.urb_entry_allocation_size =
URB_VS_ENTRY_SIZE - 1;
card_state->vs_state.vs6.vs_enable = 0;
card_state->vs_state.vs6.vert_cache_disable = 1;
/* Set up the sampler border color (always transparent black) */
memset(&card_state->sampler_border_color, 0,
sizeof(card_state->sampler_border_color));
card_state->sampler_border_color.color[0] = 0; /* R */
card_state->sampler_border_color.color[1] = 0; /* G */
card_state->sampler_border_color.color[2] = 0; /* B */
card_state->sampler_border_color.color[3] = 0; /* A */
card_state->cc_viewport.min_depth = -1.e35;
card_state->cc_viewport.max_depth = 1.e35;
sf_state_init (&card_state->sf_state,
state_base_offset +
offsetof (gen4_state_t, sf_kernel));
sf_state_init (&card_state->sf_state_mask,
state_base_offset +
offsetof (gen4_state_t, sf_kernel_mask));
for (i = 0; i < SAMPLER_STATE_FILTER_COUNT; i++) {
for (j = 0; j < SAMPLER_STATE_EXTEND_COUNT; j++) {
for (k = 0; k < SAMPLER_STATE_FILTER_COUNT; k++) {
for (l = 0; l < SAMPLER_STATE_EXTEND_COUNT; l++) {
sampler_state_init (&card_state->sampler_state[i][j][k][l][0],
i, j,
state_base_offset +
offsetof (gen4_state_t,
sampler_border_color));
sampler_state_init (&card_state->sampler_state[i][j][k][l][1],
k, l,
state_base_offset +
offsetof (gen4_state_t,
sampler_border_color));
}
}
}
}
for (i = 0; i < BRW_BLENDFACTOR_COUNT; i++) {
for (j = 0; j < BRW_BLENDFACTOR_COUNT; j++) {
cc_state_init (&card_state->cc_state[i][j].state, i, j,
state_base_offset +
offsetof (gen4_state_t, cc_viewport));
}
}
#define SETUP_WM_STATE(kernel, has_mask) \
wm_state_init(&card_state->wm_state_ ## kernel [i][j][k][l], \
has_mask, \
state_base_offset + offsetof(gen4_state_t, \
wm_scratch), \
state_base_offset + offsetof(gen4_state_t, \
ps_kernel_ ## kernel), \
state_base_offset + offsetof(gen4_state_t, \
sampler_state[i][j][k][l]));
for (i = 0; i < SAMPLER_STATE_FILTER_COUNT; i++) {
for (j = 0; j < SAMPLER_STATE_EXTEND_COUNT; j++) {
for (k = 0; k < SAMPLER_STATE_FILTER_COUNT; k++) {
for (l = 0; l < SAMPLER_STATE_EXTEND_COUNT; l++) {
SETUP_WM_STATE (nomask_affine, FALSE);
SETUP_WM_STATE (nomask_projective, FALSE);
SETUP_WM_STATE (maskca_affine, TRUE);
SETUP_WM_STATE (maskca_projective, TRUE);
SETUP_WM_STATE (maskca_srcalpha_affine, TRUE);
SETUP_WM_STATE (maskca_srcalpha_projective, TRUE);
SETUP_WM_STATE (masknoca_affine, TRUE);
SETUP_WM_STATE (masknoca_projective, TRUE);
}
}
}
}
#undef SETUP_WM_STATE
}
static uint32_t
i965_get_card_format(PicturePtr pPict)
{
int i;
for (i = 0; i < sizeof(i965_tex_formats) / sizeof(i965_tex_formats[0]);
i++)
{
if (i965_tex_formats[i].fmt == pPict->format)
break;
}
assert(i != sizeof(i965_tex_formats) / sizeof(i965_tex_formats[0]));
return i965_tex_formats[i].card_fmt;
}
static sampler_state_filter_t
sampler_state_filter_from_picture (int filter)
{
switch (filter) {
case PictFilterNearest:
return SAMPLER_STATE_FILTER_NEAREST;
case PictFilterBilinear:
return SAMPLER_STATE_FILTER_BILINEAR;
default:
return -1;
}
}
static sampler_state_extend_t
sampler_state_extend_from_picture (int repeat_type)
{
switch (repeat_type) {
case RepeatNone:
return SAMPLER_STATE_EXTEND_NONE;
case RepeatNormal:
return SAMPLER_STATE_EXTEND_REPEAT;
case RepeatPad:
return SAMPLER_STATE_EXTEND_PAD;
case RepeatReflect:
return SAMPLER_STATE_EXTEND_REFLECT;
default:
return -1;
}
}
/**
* Sets up the common fields for a surface state buffer for the given picture
* in the surface state buffer at index, and returns the offset within the
* state buffer for this entry.
*/
static unsigned int
i965_set_picture_surface_state(ScrnInfoPtr pScrn, struct brw_surface_state *ss,
PicturePtr pPicture, PixmapPtr pPixmap,
Bool is_dst)
{
I830Ptr pI830 = I830PTR(pScrn);
struct gen4_render_state *render_state= pI830->gen4_render_state;
gen4_state_t *card_state = render_state->card_state;
struct brw_surface_state local_ss;
uint32_t offset;
/* Since ss is a pointer to WC memory, do all of our bit operations
* into a local temporary first.
*/
memset(&local_ss, 0, sizeof(local_ss));
local_ss.ss0.surface_type = BRW_SURFACE_2D;
if (is_dst) {
uint32_t dst_format = 0;
Bool ret = TRUE;
ret = i965_get_dest_format(pPicture, &dst_format);
assert(ret == TRUE);
local_ss.ss0.surface_format = dst_format;
} else {
local_ss.ss0.surface_format = i965_get_card_format(pPicture);
}
local_ss.ss0.data_return_format = BRW_SURFACERETURNFORMAT_FLOAT32;
local_ss.ss0.writedisable_alpha = 0;
local_ss.ss0.writedisable_red = 0;
local_ss.ss0.writedisable_green = 0;
local_ss.ss0.writedisable_blue = 0;
local_ss.ss0.color_blend = 1;
local_ss.ss0.vert_line_stride = 0;
local_ss.ss0.vert_line_stride_ofs = 0;
local_ss.ss0.mipmap_layout_mode = 0;
local_ss.ss0.render_cache_read_mode = 0;
local_ss.ss1.base_addr = intel_get_pixmap_offset(pPixmap);
local_ss.ss2.mip_count = 0;
local_ss.ss2.render_target_rotation = 0;
local_ss.ss2.height = pPixmap->drawable.height - 1;
local_ss.ss2.width = pPixmap->drawable.width - 1;
local_ss.ss3.pitch = intel_get_pixmap_pitch(pPixmap) - 1;
local_ss.ss3.tile_walk = 0; /* Tiled X */
local_ss.ss3.tiled_surface = i830_pixmap_tiled(pPixmap) ? 1 : 0;
memcpy(ss, &local_ss, sizeof(local_ss));
offset = (char *)ss - (char *)card_state;
assert((offset & 31) == 0);
return offset;
}
Bool
i965_prepare_composite(int op, PicturePtr pSrcPicture,
PicturePtr pMaskPicture, PicturePtr pDstPicture,
PixmapPtr pSrc, PixmapPtr pMask, PixmapPtr pDst)
{
ScrnInfoPtr pScrn = xf86Screens[pSrcPicture->pDrawable->pScreen->myNum];
I830Ptr pI830 = I830PTR(pScrn);
struct gen4_render_state *render_state= pI830->gen4_render_state;
gen4_state_t *card_state = render_state->card_state;
struct brw_surface_state_padded *ss;
uint32_t sf_state_offset;
sampler_state_filter_t src_filter, mask_filter;
sampler_state_extend_t src_extend, mask_extend;
Bool is_affine_src, is_affine_mask, is_affine;
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;
char *state_base;
int state_base_offset;
uint32_t src_blend, dst_blend;
uint32_t *binding_table;
IntelEmitInvarientState(pScrn);
*pI830->last_3d = LAST_3D_RENDER;
pI830->scale_units[0][0] = pSrc->drawable.width;
pI830->scale_units[0][1] = pSrc->drawable.height;
pI830->transform[0] = pSrcPicture->transform;
is_affine_src = i830_transform_is_affine (pI830->transform[0]);
if (!pMask) {
pI830->transform[1] = NULL;
pI830->scale_units[1][0] = -1;
pI830->scale_units[1][1] = -1;
is_affine_mask = TRUE;
} else {
pI830->transform[1] = pMaskPicture->transform;
pI830->scale_units[1][0] = pMask->drawable.width;
pI830->scale_units[1][1] = pMask->drawable.height;
is_affine_mask = i830_transform_is_affine (pI830->transform[1]);
}
is_affine = is_affine_src && is_affine_mask;
state_base_offset = pI830->gen4_render_state_mem->offset;
assert((state_base_offset & 63) == 0);
state_base = (char *)(pI830->FbBase + state_base_offset);
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;
i965_get_blend_cntl(op, pMaskPicture, pDstPicture->format,
&src_blend, &dst_blend);
if ((render_state->binding_table_index + 3 >=
ARRAY_SIZE(card_state->binding_table)) ||
(render_state->surface_state_index + 3 >=
ARRAY_SIZE(card_state->surface_state)))
{
i830WaitSync(pScrn);
render_state->binding_table_index = 0;
render_state->surface_state_index = 0;
render_state->vb_offset = 0;
}
binding_table = card_state->binding_table +
render_state->binding_table_index;
ss = card_state->surface_state + render_state->surface_state_index;
/* We only use 2 or 3 entries, but the table has to be 32-byte
* aligned.
*/
render_state->binding_table_index += 8;
render_state->surface_state_index += (pMask != NULL) ? 3 : 2;
/* Set up and bind the state buffer for the destination surface */
binding_table[0] = state_base_offset +
i965_set_picture_surface_state(pScrn,
&ss[0].state,
pDstPicture, pDst, TRUE);
/* Set up and bind the source surface state buffer */
binding_table[1] = state_base_offset +
i965_set_picture_surface_state(pScrn,
&ss[1].state,
pSrcPicture, pSrc, FALSE);
if (pMask) {
/* Set up and bind the mask surface state buffer */
binding_table[2] = state_base_offset +
i965_set_picture_surface_state(pScrn,
&ss[2].state,
pMaskPicture, pMask,
FALSE);
} else {
binding_table[2] = 0;
}
src_filter = sampler_state_filter_from_picture (pSrcPicture->filter);
if (src_filter < 0)
I830FALLBACK ("Bad src filter 0x%x\n", pSrcPicture->filter);
src_extend = sampler_state_extend_from_picture (pSrcPicture->repeatType);
if (src_extend < 0)
I830FALLBACK ("Bad src repeat 0x%x\n", pSrcPicture->repeatType);
if (pMaskPicture) {
mask_filter = sampler_state_filter_from_picture (pMaskPicture->filter);
if (mask_filter < 0)
I830FALLBACK ("Bad mask filter 0x%x\n", pMaskPicture->filter);
mask_extend = sampler_state_extend_from_picture (pMaskPicture->repeatType);
if (mask_extend < 0)
I830FALLBACK ("Bad mask repeat 0x%x\n", pMaskPicture->repeatType);
} else {
mask_filter = SAMPLER_STATE_FILTER_NEAREST;
mask_extend = SAMPLER_STATE_EXTEND_NONE;
}
/* Begin the long sequence of commands needed to set up the 3D
* rendering pipe
*/
{
BEGIN_BATCH(2);
OUT_BATCH(MI_FLUSH |
MI_STATE_INSTRUCTION_CACHE_FLUSH |
BRW_MI_GLOBAL_SNAPSHOT_RESET);
OUT_BATCH(MI_NOOP);
ADVANCE_BATCH();
}
{
BEGIN_BATCH(12);
/* Match Mesa driver setup */
if (IS_GM45(pI830) || IS_G4X(pI830))
OUT_BATCH(NEW_PIPELINE_SELECT | PIPELINE_SELECT_3D);
else
OUT_BATCH(BRW_PIPELINE_SELECT | PIPELINE_SELECT_3D);
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);
OUT_BATCH(state_base_offset + offsetof(gen4_state_t, sip_kernel));
OUT_BATCH(MI_NOOP);
ADVANCE_BATCH();
}
{
BEGIN_BATCH(26);
/* 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 */
assert((((unsigned char *)binding_table - pI830->FbBase) & 31) == 0);
OUT_BATCH((unsigned char *)binding_table - pI830->FbBase);
/* 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(DRAW_YMAX(pDst->drawable.height - 1) |
DRAW_XMAX(pDst->drawable.width - 1)); /* 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);
assert((offsetof(gen4_state_t, vs_state) & 31) == 0);
OUT_BATCH(state_base_offset + offsetof(gen4_state_t, vs_state));
OUT_BATCH(BRW_GS_DISABLE); /* disable GS, resulting in passthrough */
OUT_BATCH(BRW_CLIP_DISABLE); /* disable CLIP, resulting in passthrough */
if (pMask) {
sf_state_offset = state_base_offset +
offsetof(gen4_state_t, sf_state_mask);
} else {
sf_state_offset = state_base_offset +
offsetof(gen4_state_t, sf_state);
}
assert((sf_state_offset & 31) == 0);
OUT_BATCH(sf_state_offset);
/* Shorthand for long array lookup */
#define OUT_WM_KERNEL(kernel) do { \
uint32_t offset = state_base_offset + \
offsetof(gen4_state_t, \
wm_state_ ## kernel \
[src_filter] \
[src_extend] \
[mask_filter] \
[mask_extend]); \
assert((offset & 31) == 0); \
OUT_BATCH(offset); \
} while (0)
if (pMask) {
if (pMaskPicture->componentAlpha &&
PICT_FORMAT_RGB(pMaskPicture->format))
{
if (i965_blend_op[op].src_alpha) {
if (is_affine)
OUT_WM_KERNEL(maskca_srcalpha_affine);
else
OUT_WM_KERNEL(maskca_srcalpha_projective);
} else {
if (is_affine)
OUT_WM_KERNEL(maskca_affine);
else
OUT_WM_KERNEL(maskca_projective);
}
} else {
if (is_affine)
OUT_WM_KERNEL(masknoca_affine);
else
OUT_WM_KERNEL(masknoca_projective);
}
} else {
if (is_affine)
OUT_WM_KERNEL(nomask_affine);
else
OUT_WM_KERNEL(nomask_projective);
}
#undef OUT_WM_KERNEL
/* 64 byte aligned */
assert((offsetof(gen4_state_t,
cc_state[src_blend][dst_blend]) & 63) == 0);
OUT_BATCH(state_base_offset +
offsetof(gen4_state_t, cc_state[src_blend][dst_blend]));
/* 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));
ADVANCE_BATCH();
}
{
/*
* number of extra parameters per vertex
*/
int nelem = pMask ? 2: 1;
/*
* size of extra parameters:
* 3 for homogenous (xyzw)
* 2 for cartesian (xy)
*/
int selem = is_affine ? 2 : 3;
uint32_t w_component;
uint32_t src_format;
render_state->vertex_size = 4 * (2 + nelem * selem);
if (is_affine)
{
src_format = BRW_SURFACEFORMAT_R32G32_FLOAT;
w_component = BRW_VFCOMPONENT_STORE_1_FLT;
}
else
{
src_format = BRW_SURFACEFORMAT_R32G32B32_FLOAT;
w_component = BRW_VFCOMPONENT_STORE_SRC;
}
BEGIN_BATCH(pMask?7:5);
/* Set up our vertex elements, sourced from the single vertex buffer.
* that will be set up later.
*/
OUT_BATCH(BRW_3DSTATE_VERTEX_ELEMENTS | ((2 * (1 + nelem)) - 1));
/* x,y */
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) |
(4 << VE1_DESTINATION_ELEMENT_OFFSET_SHIFT));
/* u0, v0, w0 */
OUT_BATCH((0 << VE0_VERTEX_BUFFER_INDEX_SHIFT) |
VE0_VALID |
(src_format << VE0_FORMAT_SHIFT) |
((2 * 4) << VE0_OFFSET_SHIFT)); /* offset vb in bytes */
OUT_BATCH((BRW_VFCOMPONENT_STORE_SRC << VE1_VFCOMPONENT_0_SHIFT) |
(BRW_VFCOMPONENT_STORE_SRC << VE1_VFCOMPONENT_1_SHIFT) |
(w_component << VE1_VFCOMPONENT_2_SHIFT) |
(BRW_VFCOMPONENT_STORE_1_FLT << VE1_VFCOMPONENT_3_SHIFT) |
((4 + 4) << VE1_DESTINATION_ELEMENT_OFFSET_SHIFT)); /* VUE offset in dwords */
/* u1, v1, w1 */
if (pMask) {
OUT_BATCH((0 << VE0_VERTEX_BUFFER_INDEX_SHIFT) |
VE0_VALID |
(src_format << VE0_FORMAT_SHIFT) |
(((2 + selem) * 4) << VE0_OFFSET_SHIFT)); /* vb offset in bytes */
OUT_BATCH((BRW_VFCOMPONENT_STORE_SRC << VE1_VFCOMPONENT_0_SHIFT) |
(BRW_VFCOMPONENT_STORE_SRC << VE1_VFCOMPONENT_1_SHIFT) |
(w_component << VE1_VFCOMPONENT_2_SHIFT) |
(BRW_VFCOMPONENT_STORE_1_FLT << VE1_VFCOMPONENT_3_SHIFT) |
((4 + 4 + 4) << VE1_DESTINATION_ELEMENT_OFFSET_SHIFT)); /* VUE offset in dwords */
}
ADVANCE_BATCH();
}
#ifdef I830DEBUG
ErrorF("try to sync to show any errors...\n");
I830Sync(pScrn);
#endif
return TRUE;
}
void
i965_composite(PixmapPtr pDst, int srcX, int srcY, int maskX, int maskY,
int dstX, int dstY, int w, int h)
{
ScrnInfoPtr pScrn = xf86Screens[pDst->drawable.pScreen->myNum];
I830Ptr pI830 = I830PTR(pScrn);
gen4_state_t *card_state = pI830->gen4_render_state->card_state;
struct gen4_render_state *render_state = pI830->gen4_render_state;
Bool has_mask;
Bool is_affine_src, is_affine_mask, is_affine;
float src_x[3], src_y[3], src_w[3], mask_x[3], mask_y[3], mask_w[3];
float *vb = card_state->vb;
int i;
is_affine_src = i830_transform_is_affine (pI830->transform[0]);
is_affine_mask = i830_transform_is_affine (pI830->transform[1]);
is_affine = is_affine_src && is_affine_mask;
if (is_affine)
{
if (!i830_get_transformed_coordinates(srcX, srcY,
pI830->transform[0],
&src_x[0], &src_y[0]))
return;
if (!i830_get_transformed_coordinates(srcX, srcY + h,
pI830->transform[0],
&src_x[1], &src_y[1]))
return;
if (!i830_get_transformed_coordinates(srcX + w, srcY + h,
pI830->transform[0],
&src_x[2], &src_y[2]))
return;
}
else
{
if (!i830_get_transformed_coordinates_3d(srcX, srcY,
pI830->transform[0],
&src_x[0], &src_y[0],
&src_w[0]))
return;
if (!i830_get_transformed_coordinates_3d(srcX, srcY + h,
pI830->transform[0],
&src_x[1], &src_y[1],
&src_w[1]))
return;
if (!i830_get_transformed_coordinates_3d(srcX + w, srcY + h,
pI830->transform[0],
&src_x[2], &src_y[2],
&src_w[2]))
return;
}
if (pI830->scale_units[1][0] == -1 || pI830->scale_units[1][1] == -1) {
has_mask = FALSE;
} else {
has_mask = TRUE;
if (is_affine) {
if (!i830_get_transformed_coordinates(maskX, maskY,
pI830->transform[1],
&mask_x[0], &mask_y[0]))
return;
if (!i830_get_transformed_coordinates(maskX, maskY + h,
pI830->transform[1],
&mask_x[1], &mask_y[1]))
return;
if (!i830_get_transformed_coordinates(maskX + w, maskY + h,
pI830->transform[1],
&mask_x[2], &mask_y[2]))
return;
} else {
if (!i830_get_transformed_coordinates_3d(maskX, maskY,
pI830->transform[1],
&mask_x[0], &mask_y[0],
&mask_w[0]))
return;
if (!i830_get_transformed_coordinates_3d(maskX, maskY + h,
pI830->transform[1],
&mask_x[1], &mask_y[1],
&mask_w[1]))
return;
if (!i830_get_transformed_coordinates_3d(maskX + w, maskY + h,
pI830->transform[1],
&mask_x[2], &mask_y[2],
&mask_w[2]))
return;
}
}
if (render_state->vb_offset + MAX_VERTEX_PER_COMPOSITE >= ARRAY_SIZE(card_state->vb)) {
i830WaitSync(pScrn);
render_state->vb_offset = 0;
}
i = render_state->vb_offset;
/* rect (x2,y2) */
vb[i++] = (float)(dstX + w);
vb[i++] = (float)(dstY + h);
vb[i++] = src_x[2] / pI830->scale_units[0][0];
vb[i++] = src_y[2] / pI830->scale_units[0][1];
if (!is_affine)
vb[i++] = src_w[2];
if (has_mask) {
vb[i++] = mask_x[2] / pI830->scale_units[1][0];
vb[i++] = mask_y[2] / pI830->scale_units[1][1];
if (!is_affine)
vb[i++] = mask_w[2];
}
/* rect (x1,y2) */
vb[i++] = (float)dstX;
vb[i++] = (float)(dstY + h);
vb[i++] = src_x[1] / pI830->scale_units[0][0];
vb[i++] = src_y[1] / pI830->scale_units[0][1];
if (!is_affine)
vb[i++] = src_w[1];
if (has_mask) {
vb[i++] = mask_x[1] / pI830->scale_units[1][0];
vb[i++] = mask_y[1] / pI830->scale_units[1][1];
if (!is_affine)
vb[i++] = mask_w[1];
}
/* rect (x1,y1) */
vb[i++] = (float)dstX;
vb[i++] = (float)dstY;
vb[i++] = src_x[0] / pI830->scale_units[0][0];
vb[i++] = src_y[0] / pI830->scale_units[0][1];
if (!is_affine)
vb[i++] = src_w[0];
if (has_mask) {
vb[i++] = mask_x[0] / pI830->scale_units[1][0];
vb[i++] = mask_y[0] / pI830->scale_units[1][1];
if (!is_affine)
vb[i++] = mask_w[0];
}
assert (i * 4 <= sizeof(card_state->vb));
BEGIN_BATCH(12);
OUT_BATCH(MI_FLUSH);
/* Set up the pointer to our (single) vertex buffer */
OUT_BATCH(BRW_3DSTATE_VERTEX_BUFFERS | 3);
OUT_BATCH((0 << VB0_BUFFER_INDEX_SHIFT) |
VB0_VERTEXDATA |
(render_state->vertex_size << VB0_BUFFER_PITCH_SHIFT));
OUT_BATCH(render_state->card_state_offset + offsetof(gen4_state_t, vb) +
render_state->vb_offset * 4);
OUT_BATCH(3);
OUT_BATCH(0); // ignore for VERTEXDATA, but still there
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();
render_state->vb_offset = i;
#ifdef I830DEBUG
ErrorF("sync after 3dprimitive\n");
I830Sync(pScrn);
#endif
}
/**
* Called at EnterVT so we can set up our offsets into the state buffer.
*/
void
gen4_render_state_init(ScrnInfoPtr pScrn)
{
I830Ptr pI830 = I830PTR(pScrn);
struct gen4_render_state *render_state;
int ret;
if (pI830->gen4_render_state == NULL)
pI830->gen4_render_state = calloc(sizeof(*render_state), 1);
render_state = pI830->gen4_render_state;
render_state->card_state_offset = pI830->gen4_render_state_mem->offset;
if (pI830->use_drm_mode) {
ret = dri_bo_map(pI830->gen4_render_state_mem->bo, 1);
if (ret) {
xf86DrvMsg(pScrn->scrnIndex, X_WARNING,
"Failed to map gen4 state\n");
return;
}
render_state->card_state = pI830->gen4_render_state_mem->bo->virtual;
} else {
render_state->card_state = (gen4_state_t *)
(pI830->FbBase + render_state->card_state_offset);
}
gen4_state_init(render_state);
}
/**
* Called at LeaveVT.
*/
void
gen4_render_state_cleanup(ScrnInfoPtr pScrn)
{
I830Ptr pI830 = I830PTR(pScrn);
if (pI830->use_drm_mode) {
dri_bo_unmap(pI830->gen4_render_state_mem->bo);
dri_bo_unreference(pI830->gen4_render_state_mem->bo);
}
pI830->gen4_render_state->card_state = NULL;
}
unsigned int
gen4_render_state_size(ScrnInfoPtr pScrn)
{
return sizeof(gen4_state_t);
}
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