diff options
Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/drivers/dri/unichrome/via_ioctl.c')
| -rw-r--r-- | nx-X11/extras/Mesa/src/mesa/drivers/dri/unichrome/via_ioctl.c | 970 |
1 files changed, 0 insertions, 970 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/dri/unichrome/via_ioctl.c b/nx-X11/extras/Mesa/src/mesa/drivers/dri/unichrome/via_ioctl.c deleted file mode 100644 index e84f4294a..000000000 --- a/nx-X11/extras/Mesa/src/mesa/drivers/dri/unichrome/via_ioctl.c +++ /dev/null @@ -1,970 +0,0 @@ -/* - * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved. - * Copyright 2001-2003 S3 Graphics, Inc. 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, sub license, - * 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 NON-INFRINGEMENT. IN NO EVENT SHALL - * VIA, S3 GRAPHICS, AND/OR ITS SUPPLIERS 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. - */ -#include <stdio.h> -#include <unistd.h> - -#include "glheader.h" -#include "mtypes.h" -#include "macros.h" -#include "dd.h" -#include "swrast/swrast.h" - -#include "mm.h" -#include "via_context.h" -#include "via_tris.h" -#include "via_ioctl.h" -#include "via_state.h" -#include "via_fb.h" -#include "via_3d_reg.h" - -#include "vblank.h" -#include "drm.h" -#include "xf86drm.h" -#include <sys/ioctl.h> -#include <errno.h> - - -#define VIA_REG_STATUS 0x400 -#define VIA_REG_GEMODE 0x004 -#define VIA_REG_SRCBASE 0x030 -#define VIA_REG_DSTBASE 0x034 -#define VIA_REG_PITCH 0x038 -#define VIA_REG_SRCCOLORKEY 0x01C -#define VIA_REG_KEYCONTROL 0x02C -#define VIA_REG_SRCPOS 0x008 -#define VIA_REG_DSTPOS 0x00C -#define VIA_REG_GECMD 0x000 -#define VIA_REG_DIMENSION 0x010 /* width and height */ -#define VIA_REG_FGCOLOR 0x018 - -#define VIA_GEM_8bpp 0x00000000 -#define VIA_GEM_16bpp 0x00000100 -#define VIA_GEM_32bpp 0x00000300 -#define VIA_GEC_BLT 0x00000001 -#define VIA_PITCH_ENABLE 0x80000000 -#define VIA_GEC_INCX 0x00000000 -#define VIA_GEC_DECY 0x00004000 -#define VIA_GEC_INCY 0x00000000 -#define VIA_GEC_DECX 0x00008000 -#define VIA_GEC_FIXCOLOR_PAT 0x00002000 - - -#define VIA_BLIT_CLEAR 0x00 -#define VIA_BLIT_COPY 0xCC -#define VIA_BLIT_FILL 0xF0 -#define VIA_BLIT_SET 0xFF - -static void dump_dma( struct via_context *vmesa ) -{ - GLuint i; - GLuint *data = (GLuint *)vmesa->dma; - for (i = 0; i < vmesa->dmaLow; i += 16) { - fprintf(stderr, "%04x: ", i); - fprintf(stderr, "%08x ", *data++); - fprintf(stderr, "%08x ", *data++); - fprintf(stderr, "%08x ", *data++); - fprintf(stderr, "%08x\n", *data++); - } - fprintf(stderr, "******************************************\n"); -} - - -void viaCheckDma(struct via_context *vmesa, GLuint bytes) -{ - VIA_FINISH_PRIM( vmesa ); - if (vmesa->dmaLow + bytes > VIA_DMA_HIGHWATER) { - viaFlushDma(vmesa); - } -} - - - -#define SetReg2DAGP(nReg, nData) do { \ - OUT_RING( ((nReg) >> 2) | 0xF0000000 ); \ - OUT_RING( nData ); \ -} while (0) - - -static void viaBlit(struct via_context *vmesa, GLuint bpp, - GLuint srcBase, GLuint srcPitch, - GLuint dstBase, GLuint dstPitch, - GLuint w, GLuint h, - GLuint blitMode, - GLuint color, GLuint nMask ) -{ - - GLuint dwGEMode, srcX, dstX, cmd; - RING_VARS; - - if (VIA_DEBUG & DEBUG_2D) - fprintf(stderr, - "%s bpp %d src %x/%x dst %x/%x w %d h %d " - " mode: %x color: 0x%08x mask 0x%08x\n", - __FUNCTION__, bpp, srcBase, srcPitch, dstBase, - dstPitch, w,h, blitMode, color, nMask); - - - if (!w || !h) - return; - - switch (bpp) { - case 16: - dwGEMode = VIA_GEM_16bpp; - srcX = (srcBase & 0x1f) >> 1; - dstX = (dstBase & 0x1f) >> 1; - break; - case 32: - dwGEMode = VIA_GEM_32bpp; - srcX = (srcBase & 0x1f) >> 2; - dstX = (dstBase & 0x1f) >> 2; - break; - default: - return; - } - - switch(blitMode) { - case VIA_BLIT_FILL: - cmd = VIA_GEC_BLT | VIA_GEC_FIXCOLOR_PAT | (VIA_BLIT_FILL << 24); - break; - case VIA_BLIT_COPY: - cmd = VIA_GEC_BLT | (VIA_BLIT_COPY << 24); - break; - default: - return; - } - - BEGIN_RING(22); - SetReg2DAGP( VIA_REG_GEMODE, dwGEMode); - SetReg2DAGP( VIA_REG_FGCOLOR, color); - SetReg2DAGP( 0x2C, nMask); - SetReg2DAGP( VIA_REG_SRCBASE, (srcBase & ~0x1f) >> 3); - SetReg2DAGP( VIA_REG_DSTBASE, (dstBase & ~0x1f) >> 3); - SetReg2DAGP( VIA_REG_PITCH, VIA_PITCH_ENABLE | - (srcPitch >> 3) | ((dstPitch >> 3) << 16)); - SetReg2DAGP( VIA_REG_SRCPOS, srcX); - SetReg2DAGP( VIA_REG_DSTPOS, dstX); - SetReg2DAGP( VIA_REG_DIMENSION, (((h - 1) << 16) | (w - 1))); - SetReg2DAGP( VIA_REG_GECMD, cmd); - SetReg2DAGP( 0x2C, 0x00000000); - ADVANCE_RING(); -} - -static void viaFillBuffer(struct via_context *vmesa, - struct via_buffer *buffer, - drm_clip_rect_t *pbox, - int nboxes, - GLuint pixel, - GLuint mask) -{ - GLuint bytePerPixel = buffer->bpp >> 3; - GLuint i; - - for (i = 0; i < nboxes ; i++) { - int x = pbox[i].x1 - vmesa->drawX; - int y = pbox[i].y1 - vmesa->drawY; - int w = pbox[i].x2 - pbox[i].x1; - int h = pbox[i].y2 - pbox[i].y1; - - int offset = (buffer->orig + - y * buffer->pitch + - x * bytePerPixel); - - viaBlit(vmesa, - buffer->bpp, - offset, buffer->pitch, - offset, buffer->pitch, - w, h, - VIA_BLIT_FILL, pixel, mask); - } -} - - - -static void viaClear(GLcontext *ctx, GLbitfield mask, GLboolean all, - GLint cx, GLint cy, GLint cw, GLint ch) -{ - struct via_context *vmesa = VIA_CONTEXT(ctx); - __DRIdrawablePrivate *dPriv = vmesa->driDrawable; - int flag = 0; - GLuint i = 0; - GLuint clear_depth_mask = 0xf << 28; - GLuint clear_depth = 0; - - VIA_FLUSH_DMA(vmesa); - - if (mask & BUFFER_BIT_FRONT_LEFT) { - flag |= VIA_FRONT; - mask &= ~BUFFER_BIT_FRONT_LEFT; - } - - if (mask & BUFFER_BIT_BACK_LEFT) { - flag |= VIA_BACK; - mask &= ~BUFFER_BIT_BACK_LEFT; - } - - if (mask & BUFFER_BIT_DEPTH) { - flag |= VIA_DEPTH; - clear_depth = (GLuint)(ctx->Depth.Clear * vmesa->ClearDepth); - clear_depth_mask &= ~vmesa->depth_clear_mask; - mask &= ~BUFFER_BIT_DEPTH; - } - - if (mask & BUFFER_BIT_STENCIL) { - if (vmesa->have_hw_stencil) { - if (ctx->Stencil.WriteMask[0] == 0xff) { - flag |= VIA_DEPTH; - clear_depth &= ~0xff; - clear_depth |= (ctx->Stencil.Clear & 0xff); - clear_depth_mask &= ~vmesa->stencil_clear_mask; - mask &= ~BUFFER_BIT_STENCIL; - } - else { - if (VIA_DEBUG & DEBUG_2D) - fprintf(stderr, "Clear stencil writemask %x\n", - ctx->Stencil.WriteMask[0]); - } - } - } - - /* 16bpp doesn't support masked clears */ - if (vmesa->viaScreen->bytesPerPixel == 2 && - vmesa->ClearMask & 0xf0000000) { - if (flag & VIA_FRONT) - mask |= BUFFER_BIT_FRONT_LEFT; - if (flag & VIA_BACK) - mask |= BUFFER_BIT_BACK_LEFT; - flag &= ~(VIA_FRONT | VIA_BACK); - } - - if (flag) { - drm_clip_rect_t *boxes, *tmp_boxes = 0; - int nr = 0; - - LOCK_HARDWARE(vmesa); - - /* flip top to bottom */ - cy = dPriv->h - cy - ch; - cx += vmesa->drawX + vmesa->drawXoff; - cy += vmesa->drawY; - - if (!all) { - drm_clip_rect_t *b = vmesa->pClipRects; - - boxes = tmp_boxes = - (drm_clip_rect_t *)malloc(vmesa->numClipRects * - sizeof(drm_clip_rect_t)); - if (!boxes) { - UNLOCK_HARDWARE(vmesa); - return; - } - - for (; i < vmesa->numClipRects; i++) { - GLint x = b[i].x1; - GLint y = b[i].y1; - GLint w = b[i].x2 - x; - GLint h = b[i].y2 - y; - - if (x < cx) w -= cx - x, x = cx; - if (y < cy) h -= cy - y, y = cy; - if (x + w > cx + cw) w = cx + cw - x; - if (y + h > cy + ch) h = cy + ch - y; - if (w <= 0) continue; - if (h <= 0) continue; - - boxes[nr].x1 = x; - boxes[nr].y1 = y; - boxes[nr].x2 = x + w; - boxes[nr].y2 = y + h; - nr++; - } - } - else { - boxes = vmesa->pClipRects; - nr = vmesa->numClipRects; - } - - if (flag & VIA_FRONT) { - viaFillBuffer(vmesa, &vmesa->front, boxes, nr, vmesa->ClearColor, - vmesa->ClearMask); - } - - if (flag & VIA_BACK) { - viaFillBuffer(vmesa, &vmesa->back, boxes, nr, vmesa->ClearColor, - vmesa->ClearMask); - } - - if (flag & VIA_DEPTH) { - viaFillBuffer(vmesa, &vmesa->depth, boxes, nr, clear_depth, - clear_depth_mask); - } - - viaFlushDmaLocked(vmesa, VIA_NO_CLIPRECTS); - UNLOCK_HARDWARE(vmesa); - - if (tmp_boxes) - free(tmp_boxes); - } - - if (mask) - _swrast_Clear(ctx, mask, all, cx, cy, cw, ch); -} - - - - -static void viaDoSwapBuffers(struct via_context *vmesa, - drm_clip_rect_t *b, - GLuint nbox) -{ - GLuint bytePerPixel = vmesa->viaScreen->bitsPerPixel >> 3; - struct via_buffer *front = &vmesa->front; - struct via_buffer *back = &vmesa->back; - GLuint i; - - for (i = 0; i < nbox; i++, b++) { - GLint x = b->x1 - vmesa->drawX; - GLint y = b->y1 - vmesa->drawY; - GLint w = b->x2 - b->x1; - GLint h = b->y2 - b->y1; - - GLuint src = back->orig + y * back->pitch + x * bytePerPixel; - GLuint dest = front->orig + y * front->pitch + x * bytePerPixel; - - viaBlit(vmesa, - bytePerPixel << 3, - src, back->pitch, - dest, front->pitch, - w, h, - VIA_BLIT_COPY, 0, 0); - } - - viaFlushDmaLocked(vmesa, VIA_NO_CLIPRECTS); /* redundant */ -} - - -static void viaEmitBreadcrumbLocked( struct via_context *vmesa ) -{ - struct via_buffer *buffer = &vmesa->breadcrumb; - GLuint value = vmesa->lastBreadcrumbWrite + 1; - - if (VIA_DEBUG & DEBUG_IOCTL) - fprintf(stderr, "%s %d\n", __FUNCTION__, value); - - assert(!vmesa->dmaLow); - - viaBlit(vmesa, - buffer->bpp, - buffer->offset, buffer->pitch, - buffer->offset, buffer->pitch, - 1, 1, - VIA_BLIT_FILL, value, 0); - - viaFlushDmaLocked(vmesa, VIA_NO_CLIPRECTS); /* often redundant */ - vmesa->lastBreadcrumbWrite = value; -} - -void viaEmitBreadcrumb( struct via_context *vmesa ) -{ - LOCK_HARDWARE(vmesa); - if (vmesa->dmaLow) - viaFlushDmaLocked(vmesa, 0); - - viaEmitBreadcrumbLocked( vmesa ); - UNLOCK_HARDWARE(vmesa); -} - -static GLboolean viaCheckIdle( struct via_context *vmesa ) -{ - if ((vmesa->regEngineStatus[0] & 0xFFFEFFFF) == 0x00020000) { - return GL_TRUE; - } - return GL_FALSE; -} - - -GLboolean viaCheckBreadcrumb( struct via_context *vmesa, GLuint value ) -{ - GLuint *buf = (GLuint *)vmesa->breadcrumb.map; - vmesa->lastBreadcrumbRead = *buf; - - if (VIA_DEBUG & DEBUG_IOCTL) - fprintf(stderr, "%s %d < %d: %d\n", __FUNCTION__, value, - vmesa->lastBreadcrumbRead, - !VIA_GEQ_WRAP(value, vmesa->lastBreadcrumbRead)); - - return !VIA_GEQ_WRAP(value, vmesa->lastBreadcrumbRead); -} - -static void viaWaitBreadcrumb( struct via_context *vmesa, GLuint value ) -{ - if (VIA_DEBUG & DEBUG_IOCTL) - fprintf(stderr, "%s %d\n", __FUNCTION__, value); - - assert(!VIA_GEQ_WRAP(value, vmesa->lastBreadcrumbWrite)); - - while (!viaCheckBreadcrumb( vmesa, value )) { - viaSwapOutWork( vmesa ); - via_release_pending_textures( vmesa ); - } -} - - -void viaWaitIdle( struct via_context *vmesa, GLboolean light ) -{ - VIA_FLUSH_DMA(vmesa); - - if (VIA_DEBUG & DEBUG_IOCTL) - fprintf(stderr, "%s lastDma %d lastBreadcrumbWrite %d\n", - __FUNCTION__, vmesa->lastDma, vmesa->lastBreadcrumbWrite); - - /* Need to emit a new breadcrumb? - */ - if (vmesa->lastDma == vmesa->lastBreadcrumbWrite) { - LOCK_HARDWARE(vmesa); - viaEmitBreadcrumbLocked( vmesa ); - UNLOCK_HARDWARE(vmesa); - } - - /* Need to wait? - */ - if (VIA_GEQ_WRAP(vmesa->lastDma, vmesa->lastBreadcrumbRead)) - viaWaitBreadcrumb( vmesa, vmesa->lastDma ); - - if (light) return; - - LOCK_HARDWARE(vmesa); - while(!viaCheckIdle(vmesa)) - ; - UNLOCK_HARDWARE(vmesa); - via_release_pending_textures(vmesa); -} - - -void viaWaitIdleLocked( struct via_context *vmesa, GLboolean light ) -{ - if (vmesa->dmaLow) - viaFlushDmaLocked(vmesa, 0); - - if (VIA_DEBUG & DEBUG_IOCTL) - fprintf(stderr, "%s lastDma %d lastBreadcrumbWrite %d\n", - __FUNCTION__, vmesa->lastDma, vmesa->lastBreadcrumbWrite); - - /* Need to emit a new breadcrumb? - */ - if (vmesa->lastDma == vmesa->lastBreadcrumbWrite) { - viaEmitBreadcrumbLocked( vmesa ); - } - - /* Need to wait? - */ - if (vmesa->lastDma >= vmesa->lastBreadcrumbRead) - viaWaitBreadcrumb( vmesa, vmesa->lastDma ); - - if (light) return; - - while(!viaCheckIdle(vmesa)) - ; - - via_release_pending_textures(vmesa); -} - - - -/* Wait for command stream to be processed *and* the next vblank to - * occur. Equivalent to calling WAIT_IDLE() and then WaitVBlank, - * except that WAIT_IDLE() will spin the CPU polling, while this is - * IRQ driven. - */ -static void viaWaitIdleVBlank( const __DRIdrawablePrivate *dPriv, - struct via_context *vmesa, - GLuint value ) -{ - GLboolean missed_target; - - VIA_FLUSH_DMA(vmesa); - - if (!value) - return; - - do { - if (value < vmesa->lastBreadcrumbRead || - vmesa->thrashing) - viaSwapOutWork(vmesa); - - driWaitForVBlank( dPriv, & vmesa->vbl_seq, - vmesa->vblank_flags, & missed_target ); - if ( missed_target ) { - vmesa->swap_missed_count++; - (*dri_interface->getUST)( &vmesa->swap_missed_ust ); - } - } - while (!viaCheckBreadcrumb(vmesa, value)); - - vmesa->thrashing = 0; /* reset flag on swap */ - vmesa->swap_count++; - via_release_pending_textures( vmesa ); -} - - - -static void viaDoPageFlipLocked(struct via_context *vmesa, GLuint offset) -{ - RING_VARS; - - if (VIA_DEBUG & DEBUG_2D) - fprintf(stderr, "%s %x\n", __FUNCTION__, offset); - - if (!vmesa->nDoneFirstFlip) { - vmesa->nDoneFirstFlip = GL_TRUE; - BEGIN_RING(4); - OUT_RING(HALCYON_HEADER2); - OUT_RING(0x00fe0000); - OUT_RING(0x0000000e); - OUT_RING(0x0000000e); - ADVANCE_RING(); - } - - BEGIN_RING(4); - OUT_RING( HALCYON_HEADER2 ); - OUT_RING( 0x00fe0000 ); - OUT_RING((HC_SubA_HFBBasL << 24) | (offset & 0xFFFFF8) | 0x2); - OUT_RING((HC_SubA_HFBDrawFirst << 24) | - ((offset & 0xFF000000) >> 24) | 0x0100); - ADVANCE_RING(); - - vmesa->pfCurrentOffset = vmesa->sarea->pfCurrentOffset = offset; - - viaFlushDmaLocked(vmesa, VIA_NO_CLIPRECTS); /* often redundant */ -} - -void viaResetPageFlippingLocked(struct via_context *vmesa) -{ - if (VIA_DEBUG & DEBUG_2D) - fprintf(stderr, "%s\n", __FUNCTION__); - - viaDoPageFlipLocked( vmesa, 0 ); - - if (vmesa->front.offset != 0) { - struct via_buffer buffer_tmp; - memcpy(&buffer_tmp, &vmesa->back, sizeof(struct via_buffer)); - memcpy(&vmesa->back, &vmesa->front, sizeof(struct via_buffer)); - memcpy(&vmesa->front, &buffer_tmp, sizeof(struct via_buffer)); - } - - assert(vmesa->front.offset == 0); - vmesa->doPageFlip = vmesa->allowPageFlip = 0; -} - - -/* - * Copy the back buffer to the front buffer. - */ -void viaCopyBuffer(const __DRIdrawablePrivate *dPriv) -{ - struct via_context *vmesa = - (struct via_context *)dPriv->driContextPriv->driverPrivate; - - if (VIA_DEBUG & DEBUG_IOCTL) - fprintf(stderr, - "%s: lastSwap[1] %d lastSwap[0] %d lastWrite %d lastRead %d\n", - __FUNCTION__, - vmesa->lastSwap[1], - vmesa->lastSwap[0], - vmesa->lastBreadcrumbWrite, - vmesa->lastBreadcrumbRead); - - VIA_FLUSH_DMA(vmesa); - - if (vmesa->vblank_flags == VBLANK_FLAG_SYNC && - vmesa->lastBreadcrumbWrite > 1) - viaWaitIdleVBlank(dPriv, vmesa, vmesa->lastBreadcrumbWrite-1); - else - viaWaitIdleVBlank(dPriv, vmesa, vmesa->lastSwap[1]); - - LOCK_HARDWARE(vmesa); - - /* Catch and cleanup situation where we were pageflipping but have - * stopped. - */ - if (dPriv->numClipRects && vmesa->sarea->pfCurrentOffset != 0) { - viaResetPageFlippingLocked(vmesa); - UNLOCK_HARDWARE(vmesa); - return; - } - - viaDoSwapBuffers(vmesa, dPriv->pClipRects, dPriv->numClipRects); - vmesa->lastSwap[1] = vmesa->lastSwap[0]; - vmesa->lastSwap[0] = vmesa->lastBreadcrumbWrite; - viaEmitBreadcrumbLocked(vmesa); - UNLOCK_HARDWARE(vmesa); - - (*dri_interface->getUST)( &vmesa->swap_ust ); -} - - -void viaPageFlip(const __DRIdrawablePrivate *dPriv) -{ - struct via_context *vmesa = - (struct via_context *)dPriv->driContextPriv->driverPrivate; - struct via_buffer buffer_tmp; - - VIA_FLUSH_DMA(vmesa); - if (vmesa->vblank_flags == VBLANK_FLAG_SYNC && - vmesa->lastBreadcrumbWrite > 1) - viaWaitIdleVBlank(dPriv, vmesa, vmesa->lastBreadcrumbWrite - 1); - else - viaWaitIdleVBlank(dPriv, vmesa, vmesa->lastSwap[0]); - - LOCK_HARDWARE(vmesa); - viaDoPageFlipLocked(vmesa, vmesa->back.offset); - vmesa->lastSwap[1] = vmesa->lastSwap[0]; - vmesa->lastSwap[0] = vmesa->lastBreadcrumbWrite; - viaEmitBreadcrumbLocked(vmesa); - UNLOCK_HARDWARE(vmesa); - - (*dri_interface->getUST)( &vmesa->swap_ust ); - - - /* KW: FIXME: When buffers are freed, could free frontbuffer by - * accident: - */ - memcpy(&buffer_tmp, &vmesa->back, sizeof(struct via_buffer)); - memcpy(&vmesa->back, &vmesa->front, sizeof(struct via_buffer)); - memcpy(&vmesa->front, &buffer_tmp, sizeof(struct via_buffer)); -} - - - - -#define VIA_CMDBUF_MAX_LAG 50000 - -static int fire_buffer(struct via_context *vmesa) -{ - drm_via_cmdbuffer_t bufI; - int ret; - - bufI.buf = (char *)vmesa->dma; - bufI.size = vmesa->dmaLow; - - if (vmesa->useAgp) { - drm_via_cmdbuf_size_t bSiz; - - /* Do the CMDBUF_SIZE ioctl: - */ - bSiz.func = VIA_CMDBUF_LAG; - bSiz.wait = 1; - bSiz.size = VIA_CMDBUF_MAX_LAG; - do { - ret = drmCommandWriteRead(vmesa->driFd, DRM_VIA_CMDBUF_SIZE, - &bSiz, sizeof(bSiz)); - } while (ret == -EAGAIN); - if (ret) { - UNLOCK_HARDWARE(vmesa); - fprintf(stderr, "%s: DRM_VIA_CMDBUF_SIZE returned %d\n", - __FUNCTION__, ret); - abort(); - return ret; - } - - /* Actually fire the buffer: - */ - do { - ret = drmCommandWrite(vmesa->driFd, DRM_VIA_CMDBUFFER, - &bufI, sizeof(bufI)); - } while (ret == -EAGAIN); - if (ret) { - UNLOCK_HARDWARE(vmesa); - fprintf(stderr, "%s: DRM_VIA_CMDBUFFER returned %d\n", - __FUNCTION__, ret); - abort(); - /* If this fails, the original code fell back to the PCI path. - */ - } - else - return 0; - - /* Fall through to PCI handling?!? - */ - viaWaitIdleLocked(vmesa, GL_FALSE); - } - - ret = drmCommandWrite(vmesa->driFd, DRM_VIA_PCICMD, &bufI, sizeof(bufI)); - if (ret) { - UNLOCK_HARDWARE(vmesa); - dump_dma(vmesa); - fprintf(stderr, "%s: DRM_VIA_PCICMD returned %d\n", __FUNCTION__, ret); - abort(); - } - - return ret; -} - - -/* Inserts the surface addresss and active cliprects one at a time - * into the head of the DMA buffer being flushed. Fires the buffer - * for each cliprect. - */ -static void via_emit_cliprect(struct via_context *vmesa, - drm_clip_rect_t *b) -{ - struct via_buffer *buffer = vmesa->drawBuffer; - GLuint *vb = (GLuint *)(vmesa->dma + vmesa->dmaCliprectAddr); - - GLuint format = (vmesa->viaScreen->bitsPerPixel == 0x20 - ? HC_HDBFM_ARGB8888 - : HC_HDBFM_RGB565); - - GLuint pitch = buffer->pitch; - GLuint offset = buffer->orig; - - if (0) - fprintf(stderr, "emit cliprect for box %d,%d %d,%d\n", - b->x1, b->y1, b->x2, b->y2); - - vb[0] = HC_HEADER2; - vb[1] = (HC_ParaType_NotTex << 16); - - if (vmesa->driDrawable->w == 0 || vmesa->driDrawable->h == 0) { - vb[2] = (HC_SubA_HClipTB << 24) | 0x0; - vb[3] = (HC_SubA_HClipLR << 24) | 0x0; - } - else { - vb[2] = (HC_SubA_HClipTB << 24) | (b->y1 << 12) | b->y2; - vb[3] = (HC_SubA_HClipLR << 24) | (b->x1 << 12) | b->x2; - } - - vb[4] = (HC_SubA_HDBBasL << 24) | (offset & 0xFFFFFF); - vb[5] = (HC_SubA_HDBBasH << 24) | ((offset & 0xFF000000) >> 24); - - vb[6] = (HC_SubA_HSPXYOS << 24) | ((31-vmesa->drawXoff) << HC_HSPXOS_SHIFT); - vb[7] = (HC_SubA_HDBFM << 24) | HC_HDBLoc_Local | format | pitch; -} - - - -static int intersect_rect(drm_clip_rect_t *out, - drm_clip_rect_t *a, - drm_clip_rect_t *b) -{ - *out = *a; - - if (0) - fprintf(stderr, "intersect %d,%d %d,%d and %d,%d %d,%d\n", - a->x1, a->y1, a->x2, a->y2, - b->x1, b->y1, b->x2, b->y2); - - if (b->x1 > out->x1) out->x1 = b->x1; - if (b->x2 < out->x2) out->x2 = b->x2; - if (out->x1 >= out->x2) return 0; - - if (b->y1 > out->y1) out->y1 = b->y1; - if (b->y2 < out->y2) out->y2 = b->y2; - if (out->y1 >= out->y2) return 0; - - return 1; -} - -void viaFlushDmaLocked(struct via_context *vmesa, GLuint flags) -{ - int i; - RING_VARS; - - if (VIA_DEBUG & (DEBUG_IOCTL|DEBUG_DMA)) - fprintf(stderr, "%s\n", __FUNCTION__); - - if (*(GLuint *)vmesa->driHwLock != (DRM_LOCK_HELD|vmesa->hHWContext) && - *(GLuint *)vmesa->driHwLock != - (DRM_LOCK_HELD|DRM_LOCK_CONT|vmesa->hHWContext)) { - fprintf(stderr, "%s called without lock held\n", __FUNCTION__); - abort(); - } - - if (vmesa->dmaLow == 0) { - return; - } - - assert(vmesa->dmaLastPrim == 0); - - /* viaFinishPrimitive can add up to 8 bytes beyond VIA_DMA_HIGHWATER: - */ - if (vmesa->dmaLow > VIA_DMA_HIGHWATER + 8) { - fprintf(stderr, "buffer overflow in Flush Prims = %d\n",vmesa->dmaLow); - abort(); - } - - switch (vmesa->dmaLow & 0x1F) { - case 8: - BEGIN_RING_NOCHECK( 6 ); - OUT_RING( HC_HEADER2 ); - OUT_RING( (HC_ParaType_NotTex << 16) ); - OUT_RING( HC_DUMMY ); - OUT_RING( HC_DUMMY ); - OUT_RING( HC_DUMMY ); - OUT_RING( HC_DUMMY ); - ADVANCE_RING(); - break; - case 16: - BEGIN_RING_NOCHECK( 4 ); - OUT_RING( HC_HEADER2 ); - OUT_RING( (HC_ParaType_NotTex << 16) ); - OUT_RING( HC_DUMMY ); - OUT_RING( HC_DUMMY ); - ADVANCE_RING(); - break; - case 24: - BEGIN_RING_NOCHECK( 10 ); - OUT_RING( HC_HEADER2 ); - OUT_RING( (HC_ParaType_NotTex << 16) ); - OUT_RING( HC_DUMMY ); - OUT_RING( HC_DUMMY ); - OUT_RING( HC_DUMMY ); - OUT_RING( HC_DUMMY ); - OUT_RING( HC_DUMMY ); - OUT_RING( HC_DUMMY ); - OUT_RING( HC_DUMMY ); - OUT_RING( HC_DUMMY ); - ADVANCE_RING(); - break; - case 0: - break; - default: - if (VIA_DEBUG & DEBUG_IOCTL) - fprintf(stderr, "%s: unaligned value for vmesa->dmaLow: %x\n", - __FUNCTION__, vmesa->dmaLow); - } - - vmesa->lastDma = vmesa->lastBreadcrumbWrite; - - if (VIA_DEBUG & DEBUG_DMA) - dump_dma( vmesa ); - - if (flags & VIA_NO_CLIPRECTS) { - if (0) fprintf(stderr, "%s VIA_NO_CLIPRECTS\n", __FUNCTION__); - assert(vmesa->dmaCliprectAddr == ~0); - fire_buffer( vmesa ); - } - else if (vmesa->dmaCliprectAddr == ~0) { - /* Contains only state. Could just dump the packet? - */ - if (0) fprintf(stderr, "%s: no dmaCliprectAddr\n", __FUNCTION__); - if (0) fire_buffer( vmesa ); - } - else if (vmesa->numClipRects) { - drm_clip_rect_t *pbox = vmesa->pClipRects; - - for (i = 0; i < vmesa->numClipRects; i++) { - drm_clip_rect_t b; - - b.x1 = pbox[i].x1 - (vmesa->drawX + vmesa->drawXoff); - b.x2 = pbox[i].x2 - (vmesa->drawX + vmesa->drawXoff); - b.y1 = pbox[i].y1 - vmesa->drawY; - b.y2 = pbox[i].y2 - vmesa->drawY; - - if (vmesa->scissor && - !intersect_rect(&b, &b, &vmesa->scissorRect)) - continue; - - b.x1 += vmesa->drawXoff; - b.x2 += vmesa->drawXoff; - - via_emit_cliprect(vmesa, &b); - - if (fire_buffer(vmesa) != 0) { - dump_dma( vmesa ); - goto done; - } - } - } else { - if (0) fprintf(stderr, "%s: no cliprects\n", __FUNCTION__); - UNLOCK_HARDWARE(vmesa); - sched_yield(); - LOCK_HARDWARE(vmesa); - } - - done: - /* Reset vmesa vars: - */ - vmesa->dmaLow = 0; - vmesa->dmaCliprectAddr = ~0; - vmesa->newEmitState = ~0; -} - -void viaWrapPrimitive( struct via_context *vmesa ) -{ - GLenum renderPrimitive = vmesa->renderPrimitive; - GLenum hwPrimitive = vmesa->hwPrimitive; - - if (VIA_DEBUG & DEBUG_PRIMS) fprintf(stderr, "%s\n", __FUNCTION__); - - if (vmesa->dmaLastPrim) - viaFinishPrimitive( vmesa ); - - viaFlushDma(vmesa); - - if (renderPrimitive != GL_POLYGON + 1) - viaRasterPrimitive( vmesa->glCtx, - renderPrimitive, - hwPrimitive ); - -} - -void viaFlushDma(struct via_context *vmesa) -{ - if (vmesa->dmaLow) { - assert(!vmesa->dmaLastPrim); - - LOCK_HARDWARE(vmesa); - viaFlushDmaLocked(vmesa, 0); - UNLOCK_HARDWARE(vmesa); - } -} - -static void viaFlush(GLcontext *ctx) -{ - struct via_context *vmesa = VIA_CONTEXT(ctx); - VIA_FLUSH_DMA(vmesa); -} - -static void viaFinish(GLcontext *ctx) -{ - struct via_context *vmesa = VIA_CONTEXT(ctx); - VIA_FLUSH_DMA(vmesa); - viaWaitIdle(vmesa, GL_FALSE); -} - -static void viaClearStencil(GLcontext *ctx, int s) -{ - return; -} - -void viaInitIoctlFuncs(GLcontext *ctx) -{ - ctx->Driver.Flush = viaFlush; - ctx->Driver.Clear = viaClear; - ctx->Driver.Finish = viaFinish; - ctx->Driver.ClearStencil = viaClearStencil; -} - - - |