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authorFelix Kuehling <fxkuehl@gmx.de>2005-02-02 14:43:03 +0000
committerFelix Kuehling <fxkuehl@gmx.de>2005-02-02 14:43:03 +0000
commit8b21166c142392f8b9f12fa6400a4598d66714b3 (patch)
treedec362093dc44e9dfe8f83658de0d930e56e1f7a /src/mesa/drivers/dri
parent1a141b916123e147f3677babad3bdf4bbcad4e42 (diff)
Fixed flushing of client-side vertex buffers.
Diffstat (limited to 'src/mesa/drivers/dri')
-rw-r--r--src/mesa/drivers/dri/savage/savageioctl.c105
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 d914aad38e..51faea0295 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;
}