diff options
Diffstat (limited to 'src/radeon_accel.c')
| -rw-r--r-- | src/radeon_accel.c | 337 |
1 files changed, 337 insertions, 0 deletions
diff --git a/src/radeon_accel.c b/src/radeon_accel.c index 5bf03f52..8b2f167f 100644 --- a/src/radeon_accel.c +++ b/src/radeon_accel.c @@ -915,3 +915,340 @@ void RADEONInit3DEngine(ScrnInfoPtr pScrn) info->XInited3D = TRUE; } +#ifdef USE_XAA +#ifdef XF86DRI +Bool +RADEONSetupMemXAA_DRI(int scrnIndex, ScreenPtr pScreen) +{ + ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; + RADEONInfoPtr info = RADEONPTR(pScrn); + int cpp = info->CurrentLayout.pixel_bytes; + int depthCpp = (info->depthBits - 8) / 4; + int width_bytes = pScrn->displayWidth * cpp; + int bufferSize; + int depthSize; + int l; + int scanlines; + int texsizerequest; + BoxRec MemBox; + FBAreaPtr fbarea; + + info->frontOffset = 0; + info->frontPitch = pScrn->displayWidth; + info->backPitch = pScrn->displayWidth; + + /* make sure we use 16 line alignment for tiling (8 might be enough). + * Might need that for non-XF86DRI too? + */ + if (info->allowColorTiling) { + bufferSize = (((pScrn->virtualY + 15) & ~15) * width_bytes + + RADEON_BUFFER_ALIGN) & ~RADEON_BUFFER_ALIGN; + } else { + bufferSize = (pScrn->virtualY * width_bytes + + RADEON_BUFFER_ALIGN) & ~RADEON_BUFFER_ALIGN; + } + + /* Due to tiling, the Z buffer pitch must be a multiple of 32 pixels, + * which is always the case if color tiling is used due to color pitch + * but not necessarily otherwise, and its height a multiple of 16 lines. + */ + info->depthPitch = (pScrn->displayWidth + 31) & ~31; + depthSize = ((((pScrn->virtualY + 15) & ~15) * info->depthPitch + * depthCpp + RADEON_BUFFER_ALIGN) & ~RADEON_BUFFER_ALIGN); + + switch (info->CPMode) { + case RADEON_DEFAULT_CP_PIO_MODE: + xf86DrvMsg(pScrn->scrnIndex, X_INFO, "CP in PIO mode\n"); + break; + case RADEON_DEFAULT_CP_BM_MODE: + xf86DrvMsg(pScrn->scrnIndex, X_INFO, "CP in BM mode\n"); + break; + default: + xf86DrvMsg(pScrn->scrnIndex, X_INFO, "CP in UNKNOWN mode\n"); + break; + } + + xf86DrvMsg(pScrn->scrnIndex, X_INFO, + "Using %d MB GART aperture\n", info->gartSize); + xf86DrvMsg(pScrn->scrnIndex, X_INFO, + "Using %d MB for the ring buffer\n", info->ringSize); + xf86DrvMsg(pScrn->scrnIndex, X_INFO, + "Using %d MB for vertex/indirect buffers\n", info->bufSize); + xf86DrvMsg(pScrn->scrnIndex, X_INFO, + "Using %d MB for GART textures\n", info->gartTexSize); + + /* Try for front, back, depth, and three framebuffers worth of + * pixmap cache. Should be enough for a fullscreen background + * image plus some leftovers. + * If the FBTexPercent option was used, try to achieve that percentage instead, + * but still have at least one pixmap buffer (get problems with xvideo/render + * otherwise probably), and never reserve more than 3 offscreen buffers as it's + * probably useless for XAA. + */ + if (info->textureSize >= 0) { + texsizerequest = ((int)info->FbMapSize - 2 * bufferSize - depthSize + - 2 * width_bytes - 16384 - info->FbSecureSize) + /* first divide, then multiply or we'll get an overflow (been there...) */ + / 100 * info->textureSize; + } + else { + texsizerequest = (int)info->FbMapSize / 2; + } + info->textureSize = info->FbMapSize - info->FbSecureSize - 5 * bufferSize - depthSize; + + /* If that gives us less than the requested memory, let's + * be greedy and grab some more. Sorry, I care more about 3D + * performance than playing nicely, and you'll get around a full + * framebuffer's worth of pixmap cache anyway. + */ + if (info->textureSize < texsizerequest) { + info->textureSize = info->FbMapSize - 4 * bufferSize - depthSize; + } + if (info->textureSize < texsizerequest) { + info->textureSize = info->FbMapSize - 3 * bufferSize - depthSize; + } + + /* If there's still no space for textures, try without pixmap cache, but + * never use the reserved space, the space hw cursor and PCIGART table might + * use. + */ + if (info->textureSize < 0) { + info->textureSize = info->FbMapSize - 2 * bufferSize - depthSize + - 2 * width_bytes - 16384 - info->FbSecureSize; + } + + /* Check to see if there is more room available after the 8192nd + * scanline for textures + */ + /* FIXME: what's this good for? condition is pretty much impossible to meet */ + if ((int)info->FbMapSize - 8192*width_bytes - bufferSize - depthSize + > info->textureSize) { + info->textureSize = + info->FbMapSize - 8192*width_bytes - bufferSize - depthSize; + } + + /* If backbuffer is disabled, don't allocate memory for it */ + if (info->noBackBuffer) { + info->textureSize += bufferSize; + } + + /* RADEON_BUFFER_ALIGN is not sufficient for backbuffer! + At least for pageflip + color tiling, need to make sure it's 16 scanlines aligned, + otherwise the copy-from-front-to-back will fail (width_bytes * 16 will also guarantee + it's still 4kb aligned for tiled case). Need to round up offset (might get into cursor + area otherwise). + This might cause some space at the end of the video memory to be unused, since it + can't be used (?) due to that log_tex_granularity thing??? + Could use different copyscreentoscreen function for the pageflip copies + (which would use different src and dst offsets) to avoid this. */ + if (info->allowColorTiling && !info->noBackBuffer) { + info->textureSize = info->FbMapSize - ((info->FbMapSize - info->textureSize + + width_bytes * 16 - 1) / (width_bytes * 16)) * (width_bytes * 16); + } + if (info->textureSize > 0) { + l = RADEONMinBits((info->textureSize-1) / RADEON_NR_TEX_REGIONS); + if (l < RADEON_LOG_TEX_GRANULARITY) + l = RADEON_LOG_TEX_GRANULARITY; + /* Round the texture size up to the nearest whole number of + * texture regions. Again, be greedy about this, don't + * round down. + */ + info->log2TexGran = l; + info->textureSize = (info->textureSize >> l) << l; + } else { + info->textureSize = 0; + } + + /* Set a minimum usable local texture heap size. This will fit + * two 256x256x32bpp textures. + */ + if (info->textureSize < 512 * 1024) { + info->textureOffset = 0; + info->textureSize = 0; + } + + if (info->allowColorTiling && !info->noBackBuffer) { + info->textureOffset = ((info->FbMapSize - info->textureSize) / + (width_bytes * 16)) * (width_bytes * 16); + } + else { + /* Reserve space for textures */ + info->textureOffset = ((info->FbMapSize - info->textureSize + + RADEON_BUFFER_ALIGN) & + ~(CARD32)RADEON_BUFFER_ALIGN); + } + + /* Reserve space for the shared depth + * buffer. + */ + info->depthOffset = ((info->textureOffset - depthSize + + RADEON_BUFFER_ALIGN) & + ~(CARD32)RADEON_BUFFER_ALIGN); + + /* Reserve space for the shared back buffer */ + if (info->noBackBuffer) { + info->backOffset = info->depthOffset; + } else { + info->backOffset = ((info->depthOffset - bufferSize + + RADEON_BUFFER_ALIGN) & + ~(CARD32)RADEON_BUFFER_ALIGN); + } + + info->backY = info->backOffset / width_bytes; + info->backX = (info->backOffset - (info->backY * width_bytes)) / cpp; + + scanlines = (info->FbMapSize-info->FbSecureSize) / width_bytes; + if (scanlines > 8191) + scanlines = 8191; + + MemBox.x1 = 0; + MemBox.y1 = 0; + MemBox.x2 = pScrn->displayWidth; + MemBox.y2 = scanlines; + + if (!xf86InitFBManager(pScreen, &MemBox)) { + xf86DrvMsg(scrnIndex, X_ERROR, + "Memory manager initialization to " + "(%d,%d) (%d,%d) failed\n", + MemBox.x1, MemBox.y1, MemBox.x2, MemBox.y2); + return FALSE; + } else { + int width, height; + + xf86DrvMsg(scrnIndex, X_INFO, + "Memory manager initialized to (%d,%d) (%d,%d)\n", + MemBox.x1, MemBox.y1, MemBox.x2, MemBox.y2); + /* why oh why can't we just request modes which are guaranteed to be 16 lines + aligned... sigh */ + if ((fbarea = xf86AllocateOffscreenArea(pScreen, + pScrn->displayWidth, + info->allowColorTiling ? + ((pScrn->virtualY + 15) & ~15) + - pScrn->virtualY + 2 : 2, + 0, NULL, NULL, + NULL))) { + xf86DrvMsg(scrnIndex, X_INFO, + "Reserved area from (%d,%d) to (%d,%d)\n", + fbarea->box.x1, fbarea->box.y1, + fbarea->box.x2, fbarea->box.y2); + } else { + xf86DrvMsg(scrnIndex, X_ERROR, "Unable to reserve area\n"); + } + + RADEONDRIAllocatePCIGARTTable(pScreen); + + if (xf86QueryLargestOffscreenArea(pScreen, &width, + &height, 0, 0, 0)) { + xf86DrvMsg(scrnIndex, X_INFO, + "Largest offscreen area available: %d x %d\n", + width, height); + + /* Lines in offscreen area needed for depth buffer and + * textures + */ + info->depthTexLines = (scanlines + - info->depthOffset / width_bytes); + info->backLines = (scanlines + - info->backOffset / width_bytes + - info->depthTexLines); + info->backArea = NULL; + } else { + xf86DrvMsg(scrnIndex, X_ERROR, + "Unable to determine largest offscreen area " + "available\n"); + return FALSE; + } + } + + xf86DrvMsg(scrnIndex, X_INFO, + "Will use front buffer at offset 0x%x\n", + info->frontOffset); + + xf86DrvMsg(scrnIndex, X_INFO, + "Will use back buffer at offset 0x%x\n", + info->backOffset); + xf86DrvMsg(scrnIndex, X_INFO, + "Will use depth buffer at offset 0x%x\n", + info->depthOffset); + if (info->cardType==CARD_PCIE) + xf86DrvMsg(scrnIndex, X_INFO, + "Will use %d kb for PCI GART table at offset 0x%x\n", + info->pciGartSize/1024, (unsigned)info->pciGartOffset); + xf86DrvMsg(scrnIndex, X_INFO, + "Will use %d kb for textures at offset 0x%x\n", + info->textureSize/1024, info->textureOffset); + + info->frontPitchOffset = (((info->frontPitch * cpp / 64) << 22) | + ((info->frontOffset + info->fbLocation) >> 10)); + + info->backPitchOffset = (((info->backPitch * cpp / 64) << 22) | + ((info->backOffset + info->fbLocation) >> 10)); + + info->depthPitchOffset = (((info->depthPitch * depthCpp / 64) << 22) | + ((info->depthOffset + info->fbLocation) >> 10)); + return TRUE; +} +#endif /* XF86DRI */ + +Bool +RADEONSetupMemXAA(int scrnIndex, ScreenPtr pScreen) +{ + ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; + RADEONInfoPtr info = RADEONPTR(pScrn); + BoxRec MemBox; + int y2; + + int width_bytes = pScrn->displayWidth * info->CurrentLayout.pixel_bytes; + + MemBox.x1 = 0; + MemBox.y1 = 0; + MemBox.x2 = pScrn->displayWidth; + y2 = info->FbMapSize / width_bytes; + if (y2 >= 32768) + y2 = 32767; /* because MemBox.y2 is signed short */ + MemBox.y2 = y2; + + /* The acceleration engine uses 14 bit + * signed coordinates, so we can't have any + * drawable caches beyond this region. + */ + if (MemBox.y2 > 8191) + MemBox.y2 = 8191; + + if (!xf86InitFBManager(pScreen, &MemBox)) { + xf86DrvMsg(scrnIndex, X_ERROR, + "Memory manager initialization to " + "(%d,%d) (%d,%d) failed\n", + MemBox.x1, MemBox.y1, MemBox.x2, MemBox.y2); + return FALSE; + } else { + int width, height; + FBAreaPtr fbarea; + + xf86DrvMsg(scrnIndex, X_INFO, + "Memory manager initialized to (%d,%d) (%d,%d)\n", + MemBox.x1, MemBox.y1, MemBox.x2, MemBox.y2); + if ((fbarea = xf86AllocateOffscreenArea(pScreen, + pScrn->displayWidth, + info->allowColorTiling ? + ((pScrn->virtualY + 15) & ~15) + - pScrn->virtualY + 2 : 2, + 0, NULL, NULL, + NULL))) { + xf86DrvMsg(scrnIndex, X_INFO, + "Reserved area from (%d,%d) to (%d,%d)\n", + fbarea->box.x1, fbarea->box.y1, + fbarea->box.x2, fbarea->box.y2); + } else { + xf86DrvMsg(scrnIndex, X_ERROR, "Unable to reserve area\n"); + } + if (xf86QueryLargestOffscreenArea(pScreen, &width, &height, + 0, 0, 0)) { + xf86DrvMsg(scrnIndex, X_INFO, + "Largest offscreen area available: %d x %d\n", + width, height); + } + return TRUE; + } +} +#endif /* USE_XAA */ |