/*
* Copyright 2003 Eric Anholt
* Copyright 2003 Anders Carlsson
* Copyright 2012 Connor Behan
* Copyright 2012 Michel Dänzer
* 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, 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:
* Anders Carlsson <andersca@gnome.org>
* Eric Anholt <anholt@FreeBSD.org>
* Connor Behan <connor.behan@gmail.com>
* Michel Dänzer <michel.daenzer@amd.com>
*
*/
/* The following is based on the kdrive ATI driver. */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#if defined(R128DRI) && defined(RENDER)
#include "xf86.h"
#include "exa.h"
#include "r128.h"
#include "r128_reg.h"
#include "r128_rop.h"
static struct {
Bool dst_alpha;
Bool src_alpha;
uint32_t sblend;
uint32_t dblend;
} R128BlendOp[] = {
/* Clear */
{0, 0, R128_ALPHA_BLEND_ZERO , R128_ALPHA_BLEND_ZERO},
/* Src */
{0, 0, R128_ALPHA_BLEND_ONE , R128_ALPHA_BLEND_ZERO},
/* Dst */
{0, 0, R128_ALPHA_BLEND_ZERO , R128_ALPHA_BLEND_ONE},
/* Over */
{0, 1, R128_ALPHA_BLEND_ONE , R128_ALPHA_BLEND_INVSRCALPHA},
/* OverReverse */
{1, 0, R128_ALPHA_BLEND_INVDSTALPHA , R128_ALPHA_BLEND_ONE},
/* In */
{1, 0, R128_ALPHA_BLEND_DSTALPHA , R128_ALPHA_BLEND_ZERO},
/* InReverse */
{0, 1, R128_ALPHA_BLEND_ZERO , R128_ALPHA_BLEND_SRCALPHA},
/* Out */
{1, 0, R128_ALPHA_BLEND_INVDSTALPHA , R128_ALPHA_BLEND_ZERO},
/* OutReverse */
{0, 1, R128_ALPHA_BLEND_ZERO , R128_ALPHA_BLEND_INVSRCALPHA},
/* Atop */
{1, 1, R128_ALPHA_BLEND_DSTALPHA , R128_ALPHA_BLEND_INVSRCALPHA},
/* AtopReverse */
{1, 1, R128_ALPHA_BLEND_INVDSTALPHA , R128_ALPHA_BLEND_SRCALPHA},
/* Xor */
{1, 1, R128_ALPHA_BLEND_INVDSTALPHA , R128_ALPHA_BLEND_INVSRCALPHA},
/* Add */
{0, 0, R128_ALPHA_BLEND_ONE , R128_ALPHA_BLEND_ONE},
};
static Bool
R128TransformAffineOrScaled(PictTransformPtr t)
{
if (t == NULL) return TRUE;
/* the shaders don't handle scaling either */
return t->matrix[2][0] == 0 && t->matrix[2][1] == 0 && t->matrix[2][2] == IntToxFixed(1);
}
static PixmapPtr
R128GetDrawablePixmap(DrawablePtr pDrawable)
{
if (pDrawable->type == DRAWABLE_WINDOW)
return pDrawable->pScreen->GetWindowPixmap((WindowPtr)pDrawable);
else
return (PixmapPtr)pDrawable;
}
static PixmapPtr
R128SolidPixmap(ScreenPtr pScreen, uint32_t solid)
{
ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
R128InfoPtr info = R128PTR(pScrn);
PixmapPtr pPix = pScreen->CreatePixmap(pScreen, 1, 1, 32, 0);
exaMoveInPixmap(pPix);
if (!exaDrawableIsOffscreen(&pPix->drawable)) {
pScreen->DestroyPixmap(pPix);
return NULL;
}
info->ExaDriver->WaitMarker(pScreen, 0);
#if X_BYTE_ORDER == X_BIG_ENDIAN
if (pScrn->bitsPerPixel == 32)
R128CopySwap(info->ExaDriver->memoryBase + exaGetPixmapOffset(pPix), (uint8_t*)&solid, 4,
APER_0_BIG_ENDIAN_32BPP_SWAP);
else if (pScrn->bitsPerPixel == 16)
R128CopySwap(info->ExaDriver->memoryBase + exaGetPixmapOffset(pPix), (uint8_t*)&solid, 4,
APER_0_BIG_ENDIAN_16BPP_SWAP);
else
/* Fall through for 8 bpp */
#endif
memcpy(info->ExaDriver->memoryBase + exaGetPixmapOffset(pPix), &solid, 4);
return pPix;
}
static Bool
R128GetDatatypePict1(uint32_t format, uint32_t *type)
{
switch(format) {
case PICT_r5g6b5:
*type = R128_DATATYPE_RGB565;
return TRUE;
case PICT_x1r5g5b5:
*type = R128_DATATYPE_ARGB1555;
return TRUE;
case PICT_x8r8g8b8:
*type = R128_DATATYPE_ARGB8888;
return TRUE;
default:
return FALSE;
}
}
static Bool
R128GetDatatypePict2(uint32_t format, uint32_t *type)
{
switch(format) {
case PICT_a8:
*type = R128_DATATYPE_RGB8;
return TRUE;
case PICT_r5g6b5:
*type = R128_DATATYPE_RGB565;
return TRUE;
case PICT_a8r8g8b8:
*type = R128_DATATYPE_ARGB8888;
return TRUE;
default:
return FALSE;
}
}
static Bool
R128CheckCompositeTexture(PicturePtr pPict, PicturePtr pDstPict, int op)
{
#if R128_DEBUG
ScreenPtr pScreen = pDstPict->pDrawable->pScreen;
ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
#endif
unsigned int repeatType = pPict->repeat ? pPict->repeatType : RepeatNone;
uint32_t tmp1;
if (!R128GetDatatypePict2(pPict->format, &tmp1)) return FALSE;
if (pPict->pDrawable) {
int w = pPict->pDrawable->width;
int h = pPict->pDrawable->height;
if (pPict->repeat && ((w & (w - 1)) != 0 || (h & (h - 1)) != 0)) {
DEBUG(xf86DrvMsg(pScrn->scrnIndex, X_INFO,
"NPOT repeat unsupported (%dx%d)\n", w, h));
return FALSE;
}
}
if (pPict->filter != PictFilterNearest && pPict->filter != PictFilterBilinear) {
DEBUG(xf86DrvMsg(pScrn->scrnIndex, X_INFO,
"Unsupported filter 0x%x\n",
pPict->filter));
return FALSE;
}
/* The radeon driver has a long explanation about this part that I don't really understand */
if (pPict->transform != 0 && repeatType == RepeatNone && PICT_FORMAT_A(pPict->format) == 0) {
if (!(((op == PictOpSrc) || (op == PictOpClear)) && (PICT_FORMAT_A(pDstPict->format) == 0))) {
DEBUG(xf86DrvMsg(pScrn->scrnIndex, X_INFO,
"REPEAT_NONE unsupported for "
"transformed xRGB source\n"));
return FALSE;
}
}
if (!R128TransformAffineOrScaled(pPict->transform)) {
DEBUG(xf86DrvMsg(pScrn->scrnIndex, X_INFO,
"Non-affine transforms not supported\n"));
return FALSE;
}
return TRUE;
}
Bool
R128CCECheckComposite(int op, PicturePtr pSrcPicture, PicturePtr pMaskPicture, PicturePtr pDstPicture)
{
#if R128_DEBUG
ScreenPtr pScreen = pDstPicture->pDrawable->pScreen;
ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
#endif
PixmapPtr pSrcPixmap, pDstPixmap;
uint32_t tmp1;
/* Check for unsupported compositing operations. */
if (op >= sizeof(R128BlendOp) / sizeof(R128BlendOp[0])) {
DEBUG(xf86DrvMsg(pScrn->scrnIndex, X_INFO,
"Unsupported Composite op 0x%x\n", op));
return FALSE;
}
pDstPixmap = R128GetDrawablePixmap(pDstPicture->pDrawable);
if (pDstPixmap->drawable.width > 1024 || pDstPixmap->drawable.height > 1024) {
DEBUG(xf86DrvMsg(pScrn->scrnIndex, X_INFO,
"Dest w/h too large (%d,%d).\n",
pDstPixmap->drawable.width,
pDstPixmap->drawable.height));
return FALSE;
}
if (pSrcPicture->pDrawable) {
pSrcPixmap = R128GetDrawablePixmap(pSrcPicture->pDrawable);
if (pSrcPixmap->drawable.width > 1024 || pSrcPixmap->drawable.height > 1024) {
DEBUG(xf86DrvMsg(pScrn->scrnIndex, X_INFO,
"Source w/h too large (%d,%d).\n",
pSrcPixmap->drawable.width,
pSrcPixmap->drawable.height));
return FALSE;
}
} else if (pSrcPicture->pSourcePict->type != SourcePictTypeSolidFill) {
DEBUG(xf86DrvMsg(pScrn->scrnIndex, X_INFO,
"Gradient pictures not supported yet\n"));
return FALSE;
}
if (pDstPicture->format == PICT_a8) {
if (R128BlendOp[op].src_alpha || R128BlendOp[op].dst_alpha || pMaskPicture != NULL) {
DEBUG(xf86DrvMsg(pScrn->scrnIndex, X_INFO,
"Alpha blending unsupported with "
"A8 dst?\n"));
return FALSE;
}
} else {
if (!R128GetDatatypePict1(pDstPicture->format, &tmp1)) return FALSE;
}
if (pMaskPicture) {
PixmapPtr pMaskPixmap;
if (pMaskPicture->pDrawable) {
pMaskPixmap = R128GetDrawablePixmap(pMaskPicture->pDrawable);
if (pMaskPixmap->drawable.width > 1024 || pMaskPixmap->drawable.height > 1024) {
DEBUG(xf86DrvMsg(pScrn->scrnIndex, X_INFO,
"Mask w/h too large (%d,%d).\n",
pMaskPixmap->drawable.width,
pMaskPixmap->drawable.height));
return FALSE;
}
} else if (pMaskPicture->pSourcePict->type != SourcePictTypeSolidFill) {
DEBUG(xf86DrvMsg(pScrn->scrnIndex, X_INFO,
"Gradient pictures not supported yet\n"));
return FALSE;
}
if (pMaskPicture->componentAlpha && R128BlendOp[op].src_alpha) {
DEBUG(xf86DrvMsg(pScrn->scrnIndex, X_INFO,
"Component alpha not supported with "
"source alpha blending\n"));
return FALSE;
}
if (!R128CheckCompositeTexture(pMaskPicture, pDstPicture, op)) return FALSE;
}
if (!R128CheckCompositeTexture(pSrcPicture, pDstPicture, op)) return FALSE;
return TRUE;
}
static Bool
R128TextureSetup(PicturePtr pPict, PixmapPtr pPix, int unit, uint32_t *txsize, uint32_t *tex_cntl_c, Bool trying_solid)
{
ScreenPtr pScreen = pPix->drawable.pScreen;
ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
R128InfoPtr info = R128PTR(pScrn);
int w, h, bytepp, shift, l2w, l2h, l2p, pitch;
if (pPict->pDrawable) {
w = pPict->pDrawable->width;
h = pPict->pDrawable->height;
} else {
w = h = 1;
}
pitch = exaGetPixmapPitch(pPix);
if ((pitch & (pitch - 1)) != 0) {
DEBUG(xf86DrvMsg(pScrn->scrnIndex, X_INFO,
"NPOT pitch 0x%x unsupported\n", pitch));
return FALSE;
}
if (!R128GetDatatypePict2(pPict->format, tex_cntl_c)) return FALSE;
bytepp = PICT_FORMAT_BPP(pPict->format) / 8;
*tex_cntl_c |= R128_MIP_MAP_DISABLE;
if (pPict->filter == PictFilterBilinear) {
*tex_cntl_c |= R128_MIN_BLEND_LINEAR | R128_MAG_BLEND_LINEAR;
} else if (pPict->filter == PictFilterNearest) {
*tex_cntl_c |= R128_MIN_BLEND_NEAREST | R128_MAG_BLEND_NEAREST;
} else {
DEBUG(xf86DrvMsg(pScrn->scrnIndex, X_INFO,
"Bad filter 0x%x\n", pPict->filter));
return FALSE;
}
if (unit == 0) {
shift = 0;
} else {
shift = 16;
*tex_cntl_c |= R128_SEC_SELECT_SEC_ST;
}
l2w = R128MinBits(w) - 1;
l2h = R128MinBits(h) - 1;
l2p = R128MinBits(pitch / bytepp) - 1;
if (pPict->repeat && w == 1 && h == 1) {
l2p = 0;
} else if (pPict->repeat && l2p != l2w) {
DEBUG(xf86DrvMsg(pScrn->scrnIndex, X_INFO,
"Repeat not supported for pitch != "
"width\n"));
return FALSE;
}
l2w = l2p;
/* This is required to handle NPOT height */
if ((unit == 1) || (unit == 0 && !pPict->repeat && !trying_solid)) l2h++;
info->state_2d.widths[unit] = 1 << l2w;
info->state_2d.heights[unit] = 1 << l2h;
*txsize |= l2p << (R128_TEX_PITCH_SHIFT + shift);
*txsize |= ((w > h) ? l2w : l2h) << (R128_TEX_SIZE_SHIFT + shift);
*txsize |= l2h << (R128_TEX_HEIGHT_SHIFT + shift);
if (pPict->transform != 0) {
info->state_2d.is_transform[unit] = TRUE;
info->state_2d.transform[unit] = pPict->transform;
} else {
info->state_2d.is_transform[unit] = FALSE;
}
return TRUE;
}
/* The composite preparation commands that are the same every time can
* just be written once.
*/
#define COMPOSITE_SETUP() \
do { \
BEGIN_RING( 10 ); \
\
OUT_RING_REG(R128_SCALE_3D_CNTL, \
R128_SCALE_3D_TEXMAP_SHADE | \
R128_SCALE_PIX_REPLICATE | \
R128_TEX_CACHE_SPLIT | \
R128_TEX_MAP_ALPHA_IN_TEXTURE | \
R128_TEX_CACHE_LINE_SIZE_4QW); \
OUT_RING_REG(R128_SETUP_CNTL, \
R128_COLOR_GOURAUD | \
R128_PRIM_TYPE_TRI | \
R128_TEXTURE_ST_MULT_W | \
R128_STARTING_VERTEX_1 | \
R128_ENDING_VERTEX_3 | \
R128_SUB_PIX_4BITS); \
OUT_RING_REG(R128_PM4_VC_FPU_SETUP, \
R128_FRONT_DIR_CCW | \
R128_BACKFACE_SOLID | \
R128_FRONTFACE_SOLID | \
R128_FPU_COLOR_GOURAUD | \
R128_FPU_SUB_PIX_4BITS | \
R128_FPU_MODE_3D | \
R128_TRAP_BITS_DISABLE | \
R128_XFACTOR_2 | \
R128_YFACTOR_2 | \
R128_FLAT_SHADE_VERTEX_OGL | \
R128_FPU_ROUND_TRUNCATE | \
R128_WM_SEL_8DW); \
OUT_RING_REG(R128_PLANE_3D_MASK_C, 0xffffffff); \
OUT_RING_REG(R128_CONSTANT_COLOR_C, 0xff000000); \
\
ADVANCE_RING(); \
} while(0)
Bool
R128CCEPrepareComposite(int op, PicturePtr pSrcPicture, PicturePtr pMaskPicture,
PicturePtr pDstPicture, PixmapPtr pSrc, PixmapPtr pMask, PixmapPtr pDst)
{
ScreenPtr pScreen = pDst->drawable.pScreen;
ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
R128InfoPtr info = R128PTR(pScrn);
unsigned char *R128MMIO = info->MMIO;
RING_LOCALS;
Bool add_src = FALSE;
Bool add_msk = FALSE;
uint32_t txsize = 0, prim_tex_cntl_c, sec_tex_cntl_c = 0, dstDatatype;
uint32_t src_pitch_offset, dst_pitch_offset, color_factor, in_color_factor, alpha_comb;
uint32_t sblend, dblend, blend_cntl, window_offset;
int i;
if (pDstPicture->format == PICT_a8) {
if (R128BlendOp[op].dst_alpha) {
DEBUG(xf86DrvMsg(pScrn->scrnIndex, X_INFO,
"Can't dst alpha blend A8\n"));
return FALSE;
}
dstDatatype = R128_DATATYPE_Y8;
} else {
if (!R128GetDatatypePict1(pDstPicture->format, &dstDatatype)) return FALSE;
}
if (!pSrc) {
pSrc = R128SolidPixmap(pScreen, cpu_to_le32(pSrcPicture->pSourcePict->solidFill.color));
if (!pSrc) {
DEBUG(xf86DrvMsg(pScrn->scrnIndex, X_INFO,
"Failed to create solid scratch "
"pixmap\n"));
return FALSE;
}
add_src = TRUE;
}
if (pMaskPicture) {
info->state_2d.has_mask = TRUE;
if (!pMask) {
pMask = R128SolidPixmap(pScreen, cpu_to_le32(pMaskPicture->pSourcePict->solidFill.color));
if (!pMask) {
if (!pSrcPicture->pDrawable)
pScreen->DestroyPixmap(pSrc);
info->state_2d.has_mask = FALSE;
DEBUG(xf86DrvMsg(pScrn->scrnIndex, X_INFO,
"Failed to create "
"solid scratch pixmap\n"));
return FALSE;
}
add_msk = TRUE;
}
} else {
info->state_2d.has_mask = FALSE;
}
if (!R128TextureSetup(pSrcPicture, pSrc, 0, &txsize, &prim_tex_cntl_c, (add_src || add_msk))) return FALSE;
if (pMask != NULL) {
info->state_2d.has_mask = TRUE;
if (!R128TextureSetup(pMaskPicture, pMask, 1, &txsize, &sec_tex_cntl_c, (add_src || add_msk))) return FALSE;
} else {
info->state_2d.has_mask = FALSE;
info->state_2d.is_transform[1] = FALSE;
}
if (!R128GetPixmapOffsetPitch(pDst, &dst_pitch_offset)) return FALSE;
if (!R128GetPixmapOffsetPitch(pSrc, &src_pitch_offset)) return FALSE;
info->state_2d.in_use = TRUE;
if (add_src) info->state_2d.src_pix = pSrc;
if (add_msk) info->state_2d.msk_pix = pMask;
sblend = R128BlendOp[op].sblend;
dblend = R128BlendOp[op].dblend;
if (PICT_FORMAT_A(pDstPicture->format) == 0 && R128BlendOp[op].dst_alpha) {
if (sblend == R128_ALPHA_BLEND_DSTALPHA)
sblend = R128_ALPHA_BLEND_ONE;
else if (sblend == R128_ALPHA_BLEND_INVDSTALPHA)
sblend = R128_ALPHA_BLEND_ZERO;
}
blend_cntl = (sblend << R128_ALPHA_BLEND_SRC_SHIFT) |
(dblend << R128_ALPHA_BLEND_DST_SHIFT);
R128CCE_REFRESH( pScrn, info );
if (!info->state_2d.composite_setup) {
COMPOSITE_SETUP();
info->state_2d.composite_setup = TRUE;
}
/* We cannot guarantee that this register will stay zero - DRI needs it too. */
if (info->have3DWindows)
info->ExaDriver->WaitMarker(pScreen, 0);
window_offset = INREG(R128_WINDOW_XY_OFFSET);
info->state_2d.x_offset = (window_offset & 0xfff00000) >> R128_WINDOW_X_SHIFT;
info->state_2d.y_offset = (window_offset & 0x000fffff) >> R128_WINDOW_Y_SHIFT;
info->state_2d.dp_gui_master_cntl = (R128_GMC_DST_PITCH_OFFSET_CNTL |
R128_GMC_BRUSH_SOLID_COLOR |
(dstDatatype >> 8) |
R128_GMC_SRC_DATATYPE_COLOR |
R128_ROP[3].rop |
R128_DP_SRC_SOURCE_MEMORY |
R128_GMC_3D_FCN_EN |
R128_GMC_CLR_CMP_CNTL_DIS |
R128_GMC_AUX_CLIP_DIS |
R128_GMC_WR_MSK_DIS);
info->state_2d.dp_cntl = (R128_DST_X_LEFT_TO_RIGHT | R128_DST_Y_TOP_TO_BOTTOM);
info->state_2d.dp_brush_frgd_clr = 0xffffffff;
info->state_2d.dp_brush_bkgd_clr = 0x00000000;
info->state_2d.dp_src_frgd_clr = 0xffffffff;
info->state_2d.dp_src_bkgd_clr = 0x00000000;
info->state_2d.dp_write_mask = 0xffffffff;
info->state_2d.dst_pitch_offset = dst_pitch_offset;
info->state_2d.src_pitch_offset = src_pitch_offset;
info->state_2d.default_sc_bottom_right = (R128_DEFAULT_SC_RIGHT_MAX | R128_DEFAULT_SC_BOTTOM_MAX);
EmitCCE2DState(pScrn);
BEGIN_RING( 6 );
OUT_RING_REG(R128_MISC_3D_STATE_CNTL_REG,
R128_MISC_SCALE_3D_TEXMAP_SHADE |
R128_MISC_SCALE_PIX_REPLICATE |
R128_ALPHA_COMB_ADD_CLAMP |
blend_cntl);
OUT_RING_REG(R128_TEX_CNTL_C,
R128_TEXMAP_ENABLE |
((pMask != NULL) ? R128_SEC_TEXMAP_ENABLE : 0) |
R128_ALPHA_ENABLE |
R128_TEX_CACHE_FLUSH);
OUT_RING_REG(R128_PC_GUI_CTLSTAT, R128_PC_FLUSH_GUI);
ADVANCE_RING();
/* IN operator: Without a mask, only the first texture unit is enabled.
* With a mask, we put the source in the first unit and have it pass
* through as input to the 2nd. The 2nd unit takes the incoming source
* pixel and modulates it with either the alpha or each of the channels
* in the mask, depending on componentAlpha.
*/
BEGIN_RING( 15 );
/* R128_PRIM_TEX_CNTL_C,
* R128_PRIM_TEXTURE_COMBINE_CNTL_C,
* R128_TEX_SIZE_PITCH_C,
* R128_PRIM_TEX_0_OFFSET_C - R128_PRIM_TEX_10_OFFSET_C
*/
OUT_RING(CCE_PACKET0(R128_PRIM_TEX_CNTL_C, 13));
OUT_RING(prim_tex_cntl_c);
/* If this is the only stage and the dest is a8, route the alpha result
* to the color (red channel, in particular), too. Otherwise, be sure
* to zero out color channels of an a8 source.
*/
if (pMaskPicture == NULL && pDstPicture->format == PICT_a8)
color_factor = R128_COLOR_FACTOR_ALPHA;
else if (pSrcPicture->format == PICT_a8)
color_factor = R128_COLOR_FACTOR_CONST_COLOR;
else
color_factor = R128_COLOR_FACTOR_TEX;
if (PICT_FORMAT_A(pSrcPicture->format) == 0)
alpha_comb = R128_COMB_ALPHA_COPY_INP;
else
alpha_comb = R128_COMB_ALPHA_DIS;
OUT_RING(R128_COMB_COPY |
color_factor |
R128_INPUT_FACTOR_INT_COLOR |
alpha_comb |
R128_ALPHA_FACTOR_TEX_ALPHA |
R128_INP_FACTOR_A_CONST_ALPHA);
OUT_RING(txsize);
/* We could save some output by only writing the offset register that
* will actually be used. On the other hand, this is easy.
*/
for (i = 0; i <= 10; i++)
OUT_RING(exaGetPixmapOffset(pSrc));
ADVANCE_RING();
if (pMask != NULL) {
BEGIN_RING( 14 );
/* R128_SEC_TEX_CNTL_C,
* R128_SEC_TEXTURE_COMBINE_CNTL_C,
* R128_SEC_TEX_0_OFFSET_C - R128_SEC_TEX_10_OFFSET_C
*/
OUT_RING(CCE_PACKET0(R128_SEC_TEX_CNTL_C, 12));
OUT_RING(sec_tex_cntl_c);
if (pDstPicture->format == PICT_a8) {
color_factor = R128_COLOR_FACTOR_ALPHA;
in_color_factor = R128_INPUT_FACTOR_PREV_ALPHA;
} else if (pMaskPicture->componentAlpha) {
color_factor = R128_COLOR_FACTOR_TEX;
in_color_factor = R128_INPUT_FACTOR_PREV_COLOR;
} else {
color_factor = R128_COLOR_FACTOR_ALPHA;
in_color_factor = R128_INPUT_FACTOR_PREV_COLOR;
}
OUT_RING(R128_COMB_MODULATE |
color_factor |
in_color_factor |
R128_COMB_ALPHA_MODULATE |
R128_ALPHA_FACTOR_TEX_ALPHA |
R128_INP_FACTOR_A_PREV_ALPHA);
for (i = 0; i <= 10; i++)
OUT_RING(exaGetPixmapOffset(pMask));
ADVANCE_RING();
}
return TRUE;
}
typedef union { float f; uint32_t i; } fi_type;
static inline uint32_t
R128FloatAsInt(float val)
{
fi_type fi;
fi.f = val;
return fi.i;
}
#define VTX_OUT_MASK(_dstX, _dstY, _srcX, _srcY, _maskX, _maskY) \
do { \
OUT_RING(R128FloatAsInt((_dstX))); \
OUT_RING(R128FloatAsInt(((float)(_dstY)) + 0.125)); \
OUT_RING(R128FloatAsInt(0.0)); \
OUT_RING(R128FloatAsInt(1.0)); \
OUT_RING(R128FloatAsInt((((float)(_srcX)) + 0.5) / (info->state_2d.widths[0]))); \
OUT_RING(R128FloatAsInt((((float)(_srcY)) + 0.5) / (info->state_2d.heights[0]))); \
OUT_RING(R128FloatAsInt((((float)(_maskX)) + 0.5) / (info->state_2d.widths[1]))); \
OUT_RING(R128FloatAsInt((((float)(_maskY)) + 0.5) / (info->state_2d.heights[1]))); \
} while (0)
#define VTX_OUT(_dstX, _dstY, _srcX, _srcY) \
do { \
OUT_RING(R128FloatAsInt((_dstX))); \
OUT_RING(R128FloatAsInt(((float)(_dstY)) + 0.125)); \
OUT_RING(R128FloatAsInt(0.0)); \
OUT_RING(R128FloatAsInt(1.0)); \
OUT_RING(R128FloatAsInt((((float)(_srcX)) + 0.5) / (info->state_2d.widths[0]))); \
OUT_RING(R128FloatAsInt((((float)(_srcY)) + 0.5) / (info->state_2d.heights[0]))); \
} while (0)
void
R128CCEComposite(PixmapPtr pDst, int srcX, int srcY, int maskX, int maskY, int dstX, int dstY, int w, int h)
{
ScreenPtr pScreen = pDst->drawable.pScreen;
ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
R128InfoPtr info = R128PTR(pScrn);
RING_LOCALS;
int srcXend, srcYend, maskXend, maskYend;
PictVector v;
srcXend = srcX + w;
srcYend = srcY + h;
maskXend = maskX + w;
maskYend = maskY + h;
if (info->state_2d.is_transform[0]) {
v.vector[0] = IntToxFixed(srcX);
v.vector[1] = IntToxFixed(srcY);
v.vector[2] = xFixed1;
PictureTransformPoint(info->state_2d.transform[0], &v);
srcX = xFixedToInt(v.vector[0]);
srcY = xFixedToInt(v.vector[1]);
v.vector[0] = IntToxFixed(srcXend);
v.vector[1] = IntToxFixed(srcYend);
v.vector[2] = xFixed1;
PictureTransformPoint(info->state_2d.transform[0], &v);
srcXend = xFixedToInt(v.vector[0]);
srcYend = xFixedToInt(v.vector[1]);
}
if (info->state_2d.is_transform[1]) {
v.vector[0] = IntToxFixed(maskX);
v.vector[1] = IntToxFixed(maskY);
v.vector[2] = xFixed1;
PictureTransformPoint(info->state_2d.transform[1], &v);
maskX = xFixedToInt(v.vector[0]);
maskY = xFixedToInt(v.vector[1]);
v.vector[0] = IntToxFixed(maskXend);
v.vector[1] = IntToxFixed(maskYend);
v.vector[2] = xFixed1;
PictureTransformPoint(info->state_2d.transform[1], &v);
maskXend = xFixedToInt(v.vector[0]);
maskYend = xFixedToInt(v.vector[1]);
}
dstX -= info->state_2d.x_offset;
dstY -= info->state_2d.y_offset;
R128CCE_REFRESH( pScrn, info );
if (info->state_2d.has_mask) {
BEGIN_RING( 3 + 4 * 8 );
OUT_RING(CCE_PACKET3(R128_CCE_PACKET3_3D_RNDR_GEN_PRIM, 1 + 4 * 8));
OUT_RING(R128_CCE_VC_FRMT_RHW |
R128_CCE_VC_FRMT_S_T |
R128_CCE_VC_FRMT_S2_T2);
} else {
BEGIN_RING( 3 + 4 * 6 );
OUT_RING(CCE_PACKET3(R128_CCE_PACKET3_3D_RNDR_GEN_PRIM, 1 + 4 * 6));
OUT_RING(R128_CCE_VC_FRMT_RHW |
R128_CCE_VC_FRMT_S_T);
}
OUT_RING(R128_CCE_VC_CNTL_PRIM_TYPE_TRI_FAN |
R128_CCE_VC_CNTL_PRIM_WALK_RING |
(4 << R128_CCE_VC_CNTL_NUM_SHIFT));
if (info->state_2d.has_mask) {
VTX_OUT_MASK(dstX, dstY, srcX, srcY, maskX, maskY);
VTX_OUT_MASK(dstX, dstY + h, srcX, srcYend, maskX, maskYend);
VTX_OUT_MASK(dstX + w, dstY + h, srcXend, srcYend, maskXend, maskYend);
VTX_OUT_MASK(dstX + w, dstY, srcXend, srcY, maskXend, maskY);
} else {
VTX_OUT(dstX, dstY, srcX, srcY);
VTX_OUT(dstX, dstY + h, srcX, srcYend);
VTX_OUT(dstX + w, dstY + h, srcXend, srcYend);
VTX_OUT(dstX + w, dstY, srcXend, srcY);
}
ADVANCE_RING();
}
#endif