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-rw-r--r--src/radeon_exa_render.c215
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);
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-23 06:26:13 +0000