diff options
author | Felix Kuehling <[email protected]> | 2005-02-02 14:43:03 +0000 |
---|---|---|
committer | Felix Kuehling <[email protected]> | 2005-02-02 14:43:03 +0000 |
commit | 8b21166c142392f8b9f12fa6400a4598d66714b3 (patch) | |
tree | dec362093dc44e9dfe8f83658de0d930e56e1f7a /src/mesa/drivers/dri/savage | |
parent | 1a141b916123e147f3677babad3bdf4bbcad4e42 (diff) |
Fixed flushing of client-side vertex buffers.
Diffstat (limited to 'src/mesa/drivers/dri/savage')
-rw-r--r-- | src/mesa/drivers/dri/savage/savageioctl.c | 105 |
1 files changed, 53 insertions, 52 deletions
diff --git a/src/mesa/drivers/dri/savage/savageioctl.c b/src/mesa/drivers/dri/savage/savageioctl.c index d914aad38e0..51faea0295c 100644 --- a/src/mesa/drivers/dri/savage/savageioctl.c +++ b/src/mesa/drivers/dri/savage/savageioctl.c @@ -531,9 +531,6 @@ void savageFlushVertices( savageContextPtr imesa ) void savageFlushCmdBufLocked( savageContextPtr imesa, GLboolean discard ) { __DRIdrawablePrivate *dPriv = imesa->driDrawable; - drm_savage_cmdbuf_t cmdbuf; - drm_savage_cmd_header_t *start; - int ret; if (!imesa->dmaVtxBuf.total) discard = GL_FALSE; @@ -541,53 +538,64 @@ void savageFlushCmdBufLocked( savageContextPtr imesa, GLboolean discard ) /* complete indexed drawing commands */ savageFlushElts(imesa); - if (imesa->cmdBuf.write == imesa->cmdBuf.start && !discard) - return; + if (imesa->cmdBuf.write != imesa->cmdBuf.start || discard) { + drm_savage_cmdbuf_t cmdbuf; + drm_savage_cmd_header_t *start; + int ret; + + /* If we lost the context we must restore the initial state (at + * the start of the command buffer). */ + if (imesa->lostContext) { + start = imesa->cmdBuf.base; + imesa->lostContext = GL_FALSE; + } else + start = imesa->cmdBuf.start; + + if ((SAVAGE_DEBUG & DEBUG_DMA) && discard) + fprintf (stderr, "Discarding DMA buffer, used=%u\n", + imesa->dmaVtxBuf.used); + + cmdbuf.dma_idx = imesa->dmaVtxBuf.idx; + cmdbuf.discard = discard; + cmdbuf.vb_addr = imesa->clientVtxBuf.buf; + cmdbuf.vb_size = imesa->clientVtxBuf.total*4; + cmdbuf.vb_stride = imesa->HwVertexSize; + cmdbuf.cmd_addr = start; + cmdbuf.size = (imesa->cmdBuf.write - start); + if (!imesa->inSwap && imesa->glCtx->Scissor.Enabled) { + drm_clip_rect_t *box = dPriv->pClipRects, *ibox; + GLuint nbox = dPriv->numClipRects, nibox; + ibox = malloc(dPriv->numClipRects*sizeof(drm_clip_rect_t)); + if (!ibox) { + fprintf(stderr, "Out of memory.\n"); + exit(1); + } + nibox = savageIntersectClipRects(ibox, box, nbox, + &imesa->scissor_rect); + cmdbuf.nbox = nibox; + cmdbuf.box_addr = ibox; + } else { + cmdbuf.nbox = dPriv->numClipRects; + cmdbuf.box_addr = dPriv->pClipRects; + } - /* If we lost the context we must restore the initial state (at - * the start of the command buffer). */ - if (imesa->lostContext) { - start = imesa->cmdBuf.base; - imesa->lostContext = GL_FALSE; - } else - start = imesa->cmdBuf.start; - - if ((SAVAGE_DEBUG & DEBUG_DMA) && discard) - fprintf (stderr, "Discarding DMA buffer, used=%u\n", - imesa->dmaVtxBuf.used); - - cmdbuf.dma_idx = imesa->dmaVtxBuf.idx; - cmdbuf.discard = discard; - cmdbuf.vb_addr = imesa->clientVtxBuf.buf; - cmdbuf.vb_size = imesa->clientVtxBuf.total*4; - cmdbuf.vb_stride = imesa->HwVertexSize; - cmdbuf.cmd_addr = start; - cmdbuf.size = (imesa->cmdBuf.write - start); - if (!imesa->inSwap && imesa->glCtx->Scissor.Enabled) { - drm_clip_rect_t *box = dPriv->pClipRects, *ibox; - GLuint nbox = dPriv->numClipRects, nibox; - ibox = malloc(dPriv->numClipRects*sizeof(drm_clip_rect_t)); - if (!ibox) { - fprintf(stderr, "Out of memory.\n"); + ret = drmCommandWrite( imesa->driFd, DRM_SAVAGE_BCI_CMDBUF, + &cmdbuf, sizeof(cmdbuf) ); + if (ret) { + fprintf (stderr, "cmdbuf ioctl returned %d\n", ret); exit(1); } - nibox = savageIntersectClipRects(ibox, box, nbox, &imesa->scissor_rect); - cmdbuf.nbox = nibox; - cmdbuf.box_addr = ibox; - } else { - cmdbuf.nbox = dPriv->numClipRects; - cmdbuf.box_addr = dPriv->pClipRects; - } - ret = drmCommandWrite( imesa->driFd, DRM_SAVAGE_BCI_CMDBUF, - &cmdbuf, sizeof(cmdbuf) ); - if (ret) { - fprintf (stderr, "cmdbuf ioctl returned %d\n", ret); - exit(1); - } + if (cmdbuf.box_addr != dPriv->pClipRects) { + free(cmdbuf.box_addr); + } - if (cmdbuf.box_addr != dPriv->pClipRects) { - free(cmdbuf.box_addr); + /* Save the current state at the start of the command buffer. That + * state will only be emitted, if the context was lost since the + * last command buffer. */ + imesa->cmdBuf.write = imesa->cmdBuf.base; + savageEmitOldState(imesa); + imesa->cmdBuf.start = imesa->cmdBuf.write; } if (discard) { @@ -600,13 +608,6 @@ void savageFlushCmdBufLocked( savageContextPtr imesa, GLboolean discard ) imesa->clientVtxBuf.used = 0; imesa->clientVtxBuf.flushed = 0; } - imesa->cmdBuf.write = imesa->cmdBuf.base; - - /* Save the current state at the start of the command buffer. That - * state will only be emitted, if the context was lost since the - * last command buffer. */ - savageEmitOldState(imesa); - imesa->cmdBuf.start = imesa->cmdBuf.write; } |