diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/radeon_exa_render.c | 215 |
1 files changed, 191 insertions, 24 deletions
diff --git a/src/radeon_exa_render.c b/src/radeon_exa_render.c index e35cc176..138216fc 100644 --- a/src/radeon_exa_render.c +++ b/src/radeon_exa_render.c @@ -59,6 +59,12 @@ static Bool is_transform[2]; static PictTransform *transform[2]; static Bool has_mask; +/* Whether we are tiling horizontally and vertically */ +static Bool need_src_tile_x; +static Bool need_src_tile_y; +/* Size of tiles ... set to 65536x65536 if not tiling in that direction */ +static Bool src_tile_width; +static Bool src_tile_height; struct blendinfo { Bool dst_alpha; @@ -222,6 +228,95 @@ union intfloat { CARD32 i; }; +/* Check if we need a software-fallback because of a repeating + * non-power-of-two texture. + * + * canTile: whether we can emulate a repeat by drawing in tiles: + * possible for the source, but not for the mask. (Actually + * we could do tiling for the mask too, but dealing with the + * combination of a tiled mask and a tiled source would be + * a lot of complexity, so we handle only the most common + * case of a repeating mask.) + */ +static Bool RADEONCheckTexturePOT(PicturePtr pPict, Bool canTile) +{ + int w = pPict->pDrawable->width; + int h = pPict->pDrawable->height; + + if (pPict->repeat && ((w & (w - 1)) != 0 || (h & (h - 1)) != 0) && + !(!pPict->transform && canTile)) + RADEON_FALLBACK(("NPOT repeating %s unsupported (%dx%d), transform=%d\n", + canTile ? "source" : "mask", w, h, pPict->transform != 0)); + + return TRUE; +} + +/* Determine if the pitch of the pixmap meets the criteria for being + * used as a repeating texture: no padding or only a single line texture. + */ +static Bool RADEONPitchMatches(PixmapPtr pPix) +{ + int w = pPix->drawable.width; + int h = pPix->drawable.height; + CARD32 txpitch = exaGetPixmapPitch(pPix); + + if (h > 1 && ((w * pPix->drawable.bitsPerPixel / 8 + 31) & ~31) != txpitch) + return FALSE; + + return TRUE; +} + +/* We can't turn on repeats normally for a non-power-of-two dimension, + * but if the source isn't transformed, we can get the same effect + * by drawing the image in multiple tiles. (A common case that it's + * important to get right is drawing a strip of a NPOTxPOT texture + * repeating in the POT direction. With tiling, this ends up as a + * a single tile on R300 and newer, which is perfect.) + * + * canTile1d: On R300 and newer, we can repeat a texture that is NPOT in + * one direction and POT in the other in the POT direction; on + * older chips we can only repeat at all if the texture is POT in + * both directions. + * + * needMatchingPitch: On R100/R200, we can only repeat horizontally if + * there is no padding in the texture. Textures with small POT widths + * (1,2,4,8) thus can't be tiled. + */ +static Bool RADEONSetupSourceTile(PicturePtr pPict, + PixmapPtr pPix, + Bool canTile1d, + Bool needMatchingPitch) +{ + need_src_tile_x = need_src_tile_y = FALSE; + src_tile_width = src_tile_height = 65536; /* "infinite" */ + + if (pPict->repeat) { + Bool badPitch = needMatchingPitch && !RADEONPitchMatches(pPix); + + int w = pPict->pDrawable->width; + int h = pPict->pDrawable->height; + + if (pPict->transform) { + if (badPitch) + RADEON_FALLBACK(("Width %d and pitch %u not compatible for repeat\n", + w, (unsigned)exaGetPixmapPitch(pPix))); + } else { + need_src_tile_x = (w & (w - 1)) != 0 || badPitch; + need_src_tile_y = (h & (h - 1)) != 0; + + if (!canTile1d) + need_src_tile_x = need_src_tile_y = need_src_tile_x || need_src_tile_y; + } + + if (need_src_tile_x) + src_tile_width = w; + if (need_src_tile_y) + src_tile_height = h; + } + + return TRUE; +} + /* R100-specific code */ static Bool R100CheckCompositeTexture(PicturePtr pPict, int unit) @@ -241,8 +336,8 @@ static Bool R100CheckCompositeTexture(PicturePtr pPict, int unit) RADEON_FALLBACK(("Unsupported picture format 0x%x\n", (int)pPict->format)); - if (pPict->repeat && ((w & (w - 1)) != 0 || (h & (h - 1)) != 0)) - RADEON_FALLBACK(("NPOT repeat unsupported (%dx%d)\n", w, h)); + if (!RADEONCheckTexturePOT(pPict, unit == 0)) + return FALSE; if (pPict->filter != PictFilterNearest && pPict->filter != PictFilterBilinear) @@ -262,6 +357,7 @@ static Bool FUNC_NAME(R100TextureSetup)(PicturePtr pPict, PixmapPtr pPix, CARD32 txfilter, txformat, txoffset, txpitch; int w = pPict->pDrawable->width; int h = pPict->pDrawable->height; + Bool repeat = pPict->repeat && !(unit == 0 && (need_src_tile_x || need_src_tile_y)); int i; ACCEL_PREAMBLE(); @@ -282,9 +378,8 @@ static Bool FUNC_NAME(R100TextureSetup)(PicturePtr pPict, PixmapPtr pPix, if (RADEONPixmapIsColortiled(pPix)) txoffset |= RADEON_TXO_MACRO_TILE; - if (pPict->repeat) { - if ((h != 1) && - (((w * pPix->drawable.bitsPerPixel / 8 + 31) & ~31) != txpitch)) + if (repeat) { + if (!RADEONPitchMatches(pPix)) RADEON_FALLBACK(("Width %d and pitch %u not compatible for repeat\n", w, (unsigned)txpitch)); @@ -308,7 +403,7 @@ static Bool FUNC_NAME(R100TextureSetup)(PicturePtr pPict, PixmapPtr pPix, RADEON_FALLBACK(("Bad filter 0x%x\n", pPict->filter)); } - if (pPict->repeat) + if (repeat) txfilter |= RADEON_CLAMP_S_WRAP | RADEON_CLAMP_T_WRAP; BEGIN_ACCEL(5); @@ -462,6 +557,9 @@ static Bool FUNC_NAME(R100PrepareComposite)(int op, if (((dst_pitch >> pixel_shift) & 0x7) != 0) RADEON_FALLBACK(("Bad destination pitch 0x%x\n", (int)dst_pitch)); + if (!RADEONSetupSourceTile(pSrcPicture, pSrc, FALSE, TRUE)) + return FALSE; + if (!FUNC_NAME(R100TextureSetup)(pSrcPicture, pSrc, 0)) return FALSE; pp_cntl = RADEON_TEX_0_ENABLE | RADEON_TEX_BLEND_0_ENABLE; @@ -553,8 +651,8 @@ static Bool R200CheckCompositeTexture(PicturePtr pPict, int unit) RADEON_FALLBACK(("Unsupported picture format 0x%x\n", (int)pPict->format)); - if (pPict->repeat && ((w & (w - 1)) != 0 || (h & (h - 1)) != 0)) - RADEON_FALLBACK(("NPOT repeat unsupported (%dx%d)\n", w, h)); + if (!RADEONCheckTexturePOT(pPict, unit == 0)) + return FALSE; if (pPict->filter != PictFilterNearest && pPict->filter != PictFilterBilinear) @@ -572,6 +670,7 @@ static Bool FUNC_NAME(R200TextureSetup)(PicturePtr pPict, PixmapPtr pPix, CARD32 txfilter, txformat, txoffset, txpitch; int w = pPict->pDrawable->width; int h = pPict->pDrawable->height; + Bool repeat = pPict->repeat && !(unit == 0 && (need_src_tile_x || need_src_tile_y)); int i; ACCEL_PREAMBLE(); @@ -592,9 +691,8 @@ static Bool FUNC_NAME(R200TextureSetup)(PicturePtr pPict, PixmapPtr pPix, if (RADEONPixmapIsColortiled(pPix)) txoffset |= R200_TXO_MACRO_TILE; - if (pPict->repeat) { - if ((h != 1) && - (((w * pPix->drawable.bitsPerPixel / 8 + 31) & ~31) != txpitch)) + if (repeat) { + if (!RADEONPitchMatches(pPix)) RADEON_FALLBACK(("Width %d and pitch %u not compatible for repeat\n", w, (unsigned)txpitch)); @@ -620,7 +718,7 @@ static Bool FUNC_NAME(R200TextureSetup)(PicturePtr pPict, PixmapPtr pPix, RADEON_FALLBACK(("Bad filter 0x%x\n", pPict->filter)); } - if (pPict->repeat) + if (repeat) txfilter |= R200_CLAMP_S_WRAP | R200_CLAMP_T_WRAP; BEGIN_ACCEL(6); @@ -756,6 +854,9 @@ static Bool FUNC_NAME(R200PrepareComposite)(int op, PicturePtr pSrcPicture, if (((dst_pitch >> pixel_shift) & 0x7) != 0) RADEON_FALLBACK(("Bad destination pitch 0x%x\n", (int)dst_pitch)); + if (!RADEONSetupSourceTile(pSrcPicture, pSrc, FALSE, TRUE)) + return FALSE; + if (!FUNC_NAME(R200TextureSetup)(pSrcPicture, pSrc, 0)) return FALSE; pp_cntl = RADEON_TEX_0_ENABLE | RADEON_TEX_BLEND_0_ENABLE; @@ -864,8 +965,8 @@ static Bool R300CheckCompositeTexture(PicturePtr pPict, int unit, Bool is_r500) RADEON_FALLBACK(("Unsupported picture format 0x%x\n", (int)pPict->format)); - if (pPict->repeat && ((w & (w - 1)) != 0 || (h & (h - 1)) != 0)) - RADEON_FALLBACK(("NPOT repeat unsupported (%dx%d)\n", w, h)); + if (!RADEONCheckTexturePOT(pPict, unit == 0)) + return FALSE; if (pPict->filter != PictFilterNearest && pPict->filter != PictFilterBilinear) @@ -941,13 +1042,16 @@ static Bool FUNC_NAME(R300TextureSetup)(PicturePtr pPict, PixmapPtr pPix, info->texW[unit] = w; info->texH[unit] = h; - if (pPict->repeat) - txfilter = (R300_TX_CLAMP_S(R300_TX_CLAMP_WRAP) | - R300_TX_CLAMP_T(R300_TX_CLAMP_WRAP)); + if (pPict->repeat && !(unit == 0 && need_src_tile_x)) + txfilter = R300_TX_CLAMP_S(R300_TX_CLAMP_WRAP); else - txfilter = (R300_TX_CLAMP_S(R300_TX_CLAMP_CLAMP_GL) | - R300_TX_CLAMP_T(R300_TX_CLAMP_CLAMP_GL)); + txfilter = R300_TX_CLAMP_S(R300_TX_CLAMP_CLAMP_GL); + if (pPict->repeat && !(unit == 0 && need_src_tile_y)) + txfilter |= R300_TX_CLAMP_T(R300_TX_CLAMP_WRAP); + else + txfilter |= R300_TX_CLAMP_T(R300_TX_CLAMP_CLAMP_GL); + txfilter |= (unit << R300_TX_ID_SHIFT); switch (pPict->filter) { @@ -1108,6 +1212,9 @@ static Bool FUNC_NAME(R300PrepareComposite)(int op, PicturePtr pSrcPicture, if (((dst_pitch >> pixel_shift) & 0x7) != 0) RADEON_FALLBACK(("Bad destination pitch 0x%x\n", (int)dst_pitch)); + if (!RADEONSetupSourceTile(pSrcPicture, pSrc, TRUE, FALSE)) + return FALSE; + if (!FUNC_NAME(R300TextureSetup)(pSrcPicture, pSrc, 0)) return FALSE; txenable = R300_TEX_0_ENABLE; @@ -1788,11 +1895,11 @@ static inline void transformPoint(PictTransform *transform, xPointFixed *point) } #endif -static void FUNC_NAME(RadeonComposite)(PixmapPtr pDst, - int srcX, int srcY, - int maskX, int maskY, - int dstX, int dstY, - int w, int h) +static void FUNC_NAME(RadeonCompositeTile)(PixmapPtr pDst, + int srcX, int srcY, + int maskX, int maskY, + int dstX, int dstY, + int w, int h) { RINFO_FROM_SCREEN(pDst->drawable.pScreen); int vtx_count; @@ -1934,6 +2041,66 @@ static void FUNC_NAME(RadeonComposite)(PixmapPtr pDst, #undef VTX_OUT #undef VTX_OUT_MASK +static void FUNC_NAME(RadeonComposite)(PixmapPtr pDst, + int srcX, int srcY, + int maskX, int maskY, + int dstX, int dstY, + int width, int height) +{ + int tileSrcY, tileMaskY, tileDstY; + int remainingHeight; + + if (!need_src_tile_x && !need_src_tile_y) { + FUNC_NAME(RadeonCompositeTile)(pDst, + srcX, srcY, + maskX, maskY, + dstX, dstY, + width, height); + return; + } + + /* Tiling logic borrowed from exaFillRegionTiled */ + + modulus(srcY, src_tile_height, tileSrcY); + tileMaskY = maskY; + tileDstY = dstY; + + remainingHeight = height; + while (remainingHeight > 0) { + int remainingWidth = width; + int tileSrcX, tileMaskX, tileDstX; + int h = src_tile_height - tileSrcY; + + if (h > remainingHeight) + h = remainingHeight; + remainingHeight -= h; + + modulus(srcX, src_tile_width, tileSrcX); + tileMaskX = maskX; + tileDstX = dstX; + + while (remainingWidth > 0) { + int w = src_tile_width - tileSrcX; + if (w > remainingWidth) + w = remainingWidth; + remainingWidth -= w; + + FUNC_NAME(RadeonCompositeTile)(pDst, + tileSrcX, tileSrcY, + tileMaskX, tileMaskY, + tileDstX, tileDstY, + w, h); + + tileSrcX = 0; + tileMaskX += w; + tileDstX += w; + } + tileSrcY = 0; + tileMaskY += h; + tileDstY += h; + } +} + static void FUNC_NAME(RadeonDoneComposite)(PixmapPtr pDst) { RINFO_FROM_SCREEN(pDst->drawable.pScreen); |