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Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/drivers/dri/savage/savageioctl.c')
-rw-r--r--nx-X11/extras/Mesa/src/mesa/drivers/dri/savage/savageioctl.c657
1 files changed, 657 insertions, 0 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/dri/savage/savageioctl.c b/nx-X11/extras/Mesa/src/mesa/drivers/dri/savage/savageioctl.c
new file mode 100644
index 000000000..f759034e4
--- /dev/null
+++ b/nx-X11/extras/Mesa/src/mesa/drivers/dri/savage/savageioctl.c
@@ -0,0 +1,657 @@
+/*
+ * 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 <sys/mman.h>
+
+#include "mtypes.h"
+#include "macros.h"
+#include "dd.h"
+#include "context.h"
+#include "swrast/swrast.h"
+#include "colormac.h"
+
+#include "mm.h"
+#include "savagecontext.h"
+#include "savageioctl.h"
+#include "savage_bci.h"
+#include "savagestate.h"
+#include "savagespan.h"
+
+#include "drm.h"
+#include <sys/ioctl.h>
+#include <sys/timeb.h>
+
+#define DEPTH_SCALE_16 ((1<<16)-1)
+#define DEPTH_SCALE_24 ((1<<24)-1)
+
+
+void savageGetDMABuffer( savageContextPtr imesa )
+{
+ int idx = 0;
+ int size = 0;
+ drmDMAReq dma;
+ int retcode;
+ drmBufPtr buf;
+
+ assert (imesa->savageScreen->bufs);
+
+ if (SAVAGE_DEBUG & DEBUG_DMA)
+ fprintf(stderr, "Getting dma buffer\n");
+
+ dma.context = imesa->hHWContext;
+ dma.send_count = 0;
+ dma.send_list = NULL;
+ dma.send_sizes = NULL;
+ dma.flags = 0;
+ dma.request_count = 1;
+ dma.request_size = imesa->bufferSize;
+ dma.request_list = &idx;
+ dma.request_sizes = &size;
+ dma.granted_count = 0;
+
+
+ if (SAVAGE_DEBUG & DEBUG_DMA)
+ fprintf(stderr, "drmDMA (get) ctx %d count %d size 0x%x\n",
+ dma.context, dma.request_count,
+ dma.request_size);
+
+ while (1) {
+ retcode = drmDMA(imesa->driFd, &dma);
+
+ if (SAVAGE_DEBUG & DEBUG_DMA)
+ fprintf(stderr, "retcode %d sz %d idx %d count %d\n",
+ retcode,
+ dma.request_sizes[0],
+ dma.request_list[0],
+ dma.granted_count);
+
+ if (retcode == 0 &&
+ dma.request_sizes[0] &&
+ dma.granted_count)
+ break;
+
+ if (SAVAGE_DEBUG & DEBUG_DMA)
+ fprintf(stderr, "\n\nflush");
+ }
+
+ buf = &(imesa->savageScreen->bufs->list[idx]);
+
+ if (SAVAGE_DEBUG & DEBUG_DMA)
+ fprintf(stderr,
+ "drmDMA (get) returns size[0] 0x%x idx[0] %d\n"
+ "dma_buffer now: buf idx: %d size: %d used: %d addr %p\n",
+ dma.request_sizes[0], dma.request_list[0],
+ buf->idx, buf->total,
+ buf->used, buf->address);
+
+ imesa->dmaVtxBuf.total = buf->total / 4;
+ imesa->dmaVtxBuf.used = 0;
+ imesa->dmaVtxBuf.flushed = 0;
+ imesa->dmaVtxBuf.idx = buf->idx;
+ imesa->dmaVtxBuf.buf = (u_int32_t *)buf->address;
+
+ if (SAVAGE_DEBUG & DEBUG_DMA)
+ fprintf(stderr, "finished getbuffer\n");
+}
+
+#if 0
+/* Still keeping this around because it demonstrates page flipping and
+ * automatic z-clear. */
+static void savage_BCI_clear(GLcontext *ctx, drm_savage_clear_t *pclear)
+{
+ savageContextPtr imesa = SAVAGE_CONTEXT(ctx);
+ int nbox = imesa->sarea->nbox;
+ drm_clip_rect_t *pbox = imesa->sarea->boxes;
+ int i;
+
+
+ if (nbox > SAVAGE_NR_SAREA_CLIPRECTS)
+ nbox = SAVAGE_NR_SAREA_CLIPRECTS;
+
+ for (i = 0 ; i < nbox ; i++, pbox++) {
+ unsigned int x = pbox->x1;
+ unsigned int y = pbox->y1;
+ unsigned int width = pbox->x2 - x;
+ unsigned int height = pbox->y2 - y;
+ u_int32_t *bciptr;
+
+ if (pbox->x1 > pbox->x2 ||
+ pbox->y1 > pbox->y2 ||
+ pbox->x2 > imesa->savageScreen->width ||
+ pbox->y2 > imesa->savageScreen->height)
+ continue;
+
+ if ( pclear->flags & SAVAGE_FRONT ) {
+ bciptr = savageDMAAlloc (imesa, 8);
+ WRITE_CMD((bciptr) , 0x4BCC8C00,u_int32_t);
+ WRITE_CMD((bciptr) , imesa->savageScreen->frontOffset,u_int32_t);
+ WRITE_CMD((bciptr) , imesa->savageScreen->frontBitmapDesc,u_int32_t);
+ WRITE_CMD((bciptr) , pclear->clear_color,u_int32_t);
+ WRITE_CMD((bciptr) , (y <<16) | x,u_int32_t);
+ WRITE_CMD((bciptr) , (height << 16) | width,u_int32_t);
+ savageDMACommit (imesa, bciptr);
+ }
+ if ( pclear->flags & SAVAGE_BACK ) {
+ bciptr = savageDMAAlloc (imesa, 8);
+ WRITE_CMD((bciptr) , 0x4BCC8C00,u_int32_t);
+ WRITE_CMD((bciptr) , imesa->savageScreen->backOffset,u_int32_t);
+ WRITE_CMD((bciptr) , imesa->savageScreen->backBitmapDesc,u_int32_t);
+ WRITE_CMD((bciptr) , pclear->clear_color,u_int32_t);
+ WRITE_CMD((bciptr) , (y <<16) | x,u_int32_t);
+ WRITE_CMD((bciptr) , (height << 16) | width,u_int32_t);
+ savageDMACommit (imesa, bciptr);
+ }
+
+ if ( pclear->flags & (SAVAGE_DEPTH |SAVAGE_STENCIL) ) {
+ u_int32_t writeMask = 0x0;
+ if(imesa->hw_stencil)
+ {
+ if(pclear->flags & SAVAGE_STENCIL)
+ {
+
+ writeMask |= 0xFF000000;
+ }
+ if(pclear->flags & SAVAGE_DEPTH)
+ {
+ writeMask |= 0x00FFFFFF;
+ }
+ }
+ if(imesa->IsFullScreen && imesa->NotFirstFrame &&
+ imesa->savageScreen->chipset >= S3_SAVAGE4)
+ {
+ imesa->regs.s4.zBufCtrl.ni.autoZEnable = GL_TRUE;
+ imesa->regs.s4.zBufCtrl.ni.frameID =
+ ~imesa->regs.s4.zBufCtrl.ni.frameID;
+
+ imesa->dirty |= SAVAGE_UPLOAD_GLOBAL;
+ }
+ else
+ {
+ if(imesa->IsFullScreen)
+ imesa->NotFirstFrame = GL_TRUE;
+
+ if(imesa->hw_stencil)
+ {
+ bciptr = savageDMAAlloc (imesa, 10);
+ if(writeMask != 0xFFFFFFFF)
+ {
+ WRITE_CMD((bciptr) , 0x960100D7,u_int32_t);
+ WRITE_CMD((bciptr) , writeMask,u_int32_t);
+ }
+ }
+ else
+ {
+ bciptr = savageDMAAlloc (imesa, 6);
+ }
+
+ WRITE_CMD((bciptr) , 0x4BCC8C00,u_int32_t);
+ WRITE_CMD((bciptr) , imesa->savageScreen->depthOffset,u_int32_t);
+ WRITE_CMD((bciptr) , imesa->savageScreen->depthBitmapDesc,u_int32_t);
+ WRITE_CMD((bciptr) , pclear->clear_depth,u_int32_t);
+ WRITE_CMD((bciptr) , (y <<16) | x,u_int32_t);
+ WRITE_CMD((bciptr) , (height << 16) | width,u_int32_t);
+ if(imesa->hw_stencil)
+ {
+ if(writeMask != 0xFFFFFFFF)
+ {
+ WRITE_CMD((bciptr) , 0x960100D7,u_int32_t);
+ WRITE_CMD((bciptr) , 0xFFFFFFFF,u_int32_t);
+ }
+ }
+ savageDMACommit (imesa, bciptr);
+ }
+ }
+ }
+ /* FK: Make sure that the clear stuff is emitted. Otherwise a
+ software fallback may get overwritten by a delayed clear. */
+ savageDMAFlush (imesa);
+}
+
+static void savage_BCI_swap(savageContextPtr imesa)
+{
+ int nbox = imesa->sarea->nbox;
+ drm_clip_rect_t *pbox = imesa->sarea->boxes;
+ int i;
+ volatile u_int32_t *bciptr;
+
+ if (nbox > SAVAGE_NR_SAREA_CLIPRECTS)
+ nbox = SAVAGE_NR_SAREA_CLIPRECTS;
+ savageDMAFlush (imesa);
+
+ if(imesa->IsFullScreen)
+ { /* full screen*/
+ unsigned int tmp0;
+ tmp0 = imesa->savageScreen->frontOffset;
+ imesa->savageScreen->frontOffset = imesa->savageScreen->backOffset;
+ imesa->savageScreen->backOffset = tmp0;
+
+ if(imesa->toggle == TARGET_BACK)
+ imesa->toggle = TARGET_FRONT;
+ else
+ imesa->toggle = TARGET_BACK;
+
+ imesa->drawMap = (char *)imesa->apertureBase[imesa->toggle];
+ imesa->readMap = (char *)imesa->apertureBase[imesa->toggle];
+
+ imesa->regs.s4.destCtrl.ni.offset = imesa->savageScreen->backOffset>>11;
+ imesa->dirty |= SAVAGE_UPLOAD_GLOBAL;
+ bciptr = SAVAGE_GET_BCI_POINTER(imesa,3);
+ *(bciptr) = 0x960100B0;
+ *(bciptr) = (imesa->savageScreen->frontOffset);
+ *(bciptr) = 0xA0000000;
+ }
+
+ else
+ { /* Use bitblt copy from back to front buffer*/
+
+ for (i = 0 ; i < nbox; i++, pbox++)
+ {
+ unsigned int w = pbox->x2 - pbox->x1;
+ unsigned int h = pbox->y2 - pbox->y1;
+
+ if (pbox->x1 > pbox->x2 ||
+ pbox->y1 > pbox->y2 ||
+ pbox->x2 > imesa->savageScreen->width ||
+ pbox->y2 > imesa->savageScreen->height)
+ continue;
+
+ bciptr = SAVAGE_GET_BCI_POINTER(imesa,6);
+
+ *(bciptr) = 0x4BCC00C0;
+
+ *(bciptr) = imesa->savageScreen->backOffset;
+ *(bciptr) = imesa->savageScreen->backBitmapDesc;
+ *(bciptr) = (pbox->y1 <<16) | pbox->x1; /*x0, y0*/
+ *(bciptr) = (pbox->y1 <<16) | pbox->x1;
+ *(bciptr) = (h << 16) | w;
+ }
+
+ }
+}
+#endif
+
+
+static GLboolean intersect_rect( drm_clip_rect_t *out,
+ const drm_clip_rect_t *a,
+ const drm_clip_rect_t *b )
+{
+ *out = *a;
+ if (b->x1 > out->x1) out->x1 = b->x1;
+ if (b->y1 > out->y1) out->y1 = b->y1;
+ if (b->x2 < out->x2) out->x2 = b->x2;
+ if (b->y2 < out->y2) out->y2 = b->y2;
+
+ return ((out->x1 < out->x2) && (out->y1 < out->y2));
+}
+
+
+static GLuint savageIntersectClipRects(drm_clip_rect_t *dest,
+ const drm_clip_rect_t *src,
+ GLuint nsrc,
+ const drm_clip_rect_t *clip)
+{
+ GLuint i, ndest;
+
+ for (i = 0, ndest = 0; i < nsrc; ++i, ++src) {
+ if (intersect_rect(dest, src, clip)) {
+ dest++;
+ ndest++;
+ }
+ }
+
+ return ndest;
+}
+
+
+static void savageDDClear( GLcontext *ctx, GLbitfield mask, GLboolean all,
+ GLint cx, GLint cy, GLint cw, GLint ch )
+{
+ savageContextPtr imesa = SAVAGE_CONTEXT( ctx );
+ GLuint colorMask, depthMask, clearColor, clearDepth, flags;
+
+ if (SAVAGE_DEBUG & DEBUG_VERBOSE_MSG)
+ fprintf (stderr, "%s\n", __FUNCTION__);
+
+ clearColor = imesa->ClearColor;
+ if (imesa->float_depth) {
+ if (imesa->savageScreen->zpp == 2)
+ clearDepth = savageEncodeFloat16(1.0 - ctx->Depth.Clear);
+ else
+ clearDepth = savageEncodeFloat24(1.0 - ctx->Depth.Clear);
+ } else {
+ if (imesa->savageScreen->zpp == 2)
+ clearDepth = (GLuint) ((1.0 - ctx->Depth.Clear) * DEPTH_SCALE_16);
+ else
+ clearDepth = (GLuint) ((1.0 - ctx->Depth.Clear) * DEPTH_SCALE_24);
+ }
+
+ colorMask = 0;
+ depthMask = 0;
+ switch (imesa->savageScreen->cpp) {
+ case 2:
+ colorMask = PACK_COLOR_565(ctx->Color.ColorMask[0],
+ ctx->Color.ColorMask[1],
+ ctx->Color.ColorMask[2]);
+ break;
+ case 4:
+ colorMask = PACK_COLOR_8888(ctx->Color.ColorMask[3],
+ ctx->Color.ColorMask[2],
+ ctx->Color.ColorMask[1],
+ ctx->Color.ColorMask[0]);
+ break;
+ }
+
+ flags = 0;
+
+ if (mask & BUFFER_BIT_FRONT_LEFT) {
+ flags |= SAVAGE_FRONT;
+ mask &= ~BUFFER_BIT_FRONT_LEFT;
+ }
+
+ if (mask & BUFFER_BIT_BACK_LEFT) {
+ flags |= SAVAGE_BACK;
+ mask &= ~BUFFER_BIT_BACK_LEFT;
+ }
+
+ if ((mask & BUFFER_BIT_DEPTH) && ctx->Depth.Mask) {
+ flags |= SAVAGE_DEPTH;
+ depthMask |=
+ (imesa->savageScreen->zpp == 2) ? 0xffffffff : 0x00ffffff;
+ mask &= ~BUFFER_BIT_DEPTH;
+ }
+
+ if((mask & BUFFER_BIT_STENCIL) && imesa->hw_stencil)
+ {
+ flags |= SAVAGE_DEPTH;
+ depthMask |= 0xff000000;
+ mask &= ~BUFFER_BIT_STENCIL;
+ }
+
+ savageFlushVertices(imesa);
+
+ if (flags) {
+ GLboolean depthCleared = GL_FALSE;
+ if (flags & (SAVAGE_FRONT|SAVAGE_BACK)) {
+ drm_savage_cmd_header_t *cmd;
+ cmd = savageAllocCmdBuf(imesa, sizeof(drm_savage_cmd_header_t));
+ cmd[0].clear0.cmd = SAVAGE_CMD_CLEAR;
+ if ((flags & SAVAGE_DEPTH) &&
+ clearDepth == clearColor && depthMask == colorMask) {
+ cmd[0].clear0.flags = flags;
+ depthCleared = GL_TRUE;
+ } else
+ cmd[0].clear0.flags = flags & (SAVAGE_FRONT|SAVAGE_BACK);
+ cmd[1].clear1.mask = colorMask;
+ cmd[1].clear1.value = clearColor;
+ }
+
+ if ((flags & SAVAGE_DEPTH) && !depthCleared) {
+ drm_savage_cmd_header_t *cmd;
+ cmd = savageAllocCmdBuf(imesa, sizeof(drm_savage_cmd_header_t));
+ cmd[0].clear0.cmd = SAVAGE_CMD_CLEAR;
+ cmd[0].clear0.flags = SAVAGE_DEPTH;
+ cmd[1].clear1.mask = depthMask;
+ cmd[1].clear1.value = clearDepth;
+ }
+ }
+
+ if (mask)
+ _swrast_Clear( ctx, mask, all, cx, cy, cw, ch );
+}
+
+/*
+ * Copy the back buffer to the front buffer.
+ */
+void savageSwapBuffers( __DRIdrawablePrivate *dPriv )
+{
+ savageContextPtr imesa;
+
+ if (SAVAGE_DEBUG & DEBUG_VERBOSE_MSG)
+ fprintf (stderr, "%s\n================================\n", __FUNCTION__);
+
+ assert(dPriv);
+ assert(dPriv->driContextPriv);
+ assert(dPriv->driContextPriv->driverPrivate);
+
+ imesa = (savageContextPtr) dPriv->driContextPriv->driverPrivate;
+ if (imesa->IsDouble)
+ _mesa_notifySwapBuffers( imesa->glCtx );
+
+ FLUSH_BATCH(imesa);
+
+ if (imesa->sync_frames)
+ imesa->lastSwap = savageEmitEvent( imesa, 0 );
+
+ if (imesa->lastSwap != 0)
+ savageWaitEvent( imesa, imesa->lastSwap );
+
+ {
+ drm_savage_cmd_header_t *cmd = savageAllocCmdBuf(imesa, 0);
+ cmd->cmd.cmd = SAVAGE_CMD_SWAP;
+ imesa->inSwap = GL_TRUE; /* ignore scissors in savageFlushCmdBuf */
+ savageFlushCmdBuf(imesa, GL_FALSE);
+ imesa->inSwap = GL_FALSE;
+ }
+
+ if (!imesa->sync_frames)
+ /* don't sync, but limit the lag to one frame. */
+ imesa->lastSwap = savageEmitEvent( imesa, 0 );
+}
+
+unsigned int savageEmitEventLocked( savageContextPtr imesa, unsigned int flags )
+{
+ drm_savage_event_emit_t event;
+ int ret;
+ event.count = 0;
+ event.flags = flags;
+ ret = drmCommandWriteRead( imesa->driFd, DRM_SAVAGE_BCI_EVENT_EMIT,
+ &event, sizeof(event) );
+ if (ret) {
+ fprintf (stderr, "emit event returned %d\n", ret);
+ exit (1);
+ }
+ return event.count;
+}
+unsigned int savageEmitEvent( savageContextPtr imesa, unsigned int flags )
+{
+ unsigned int ret;
+ LOCK_HARDWARE( imesa );
+ ret = savageEmitEventLocked( imesa, flags );
+ UNLOCK_HARDWARE( imesa );
+ return ret;
+}
+
+
+void savageWaitEvent( savageContextPtr imesa, unsigned int count )
+{
+ drm_savage_event_wait_t event;
+ int ret;
+ event.count = count;
+ event.flags = 0;
+ ret = drmCommandWriteRead( imesa->driFd, DRM_SAVAGE_BCI_EVENT_WAIT,
+ &event, sizeof(event) );
+ if (ret) {
+ fprintf (stderr, "wait event returned %d\n", ret);
+ exit (1);
+ }
+}
+
+
+void savageFlushVertices( savageContextPtr imesa )
+{
+ struct savage_vtxbuf_t *buffer = imesa->vtxBuf;
+
+ if (SAVAGE_DEBUG & DEBUG_VERBOSE_MSG)
+ fprintf (stderr, "%s\n", __FUNCTION__);
+
+ if (!buffer->total)
+ return;
+
+ if (buffer->used > buffer->flushed) {
+ drm_savage_cmd_header_t *cmd;
+ /* State must be updated "per primitive" because hardware
+ * culling must be disabled for unfilled primitives, points
+ * and lines. */
+ savageEmitChangedState (imesa);
+ cmd = savageAllocCmdBuf(imesa, 0);
+ cmd->prim.cmd = buffer == &imesa->dmaVtxBuf ?
+ SAVAGE_CMD_DMA_PRIM : SAVAGE_CMD_VB_PRIM;
+ cmd->prim.prim = imesa->HwPrim;
+ cmd->prim.skip = imesa->skip;
+ cmd->prim.start = buffer->flushed / imesa->HwVertexSize;
+ cmd->prim.count = buffer->used / imesa->HwVertexSize - cmd->prim.start;
+ buffer->flushed = buffer->used;
+ }
+}
+
+void savageFlushCmdBufLocked( savageContextPtr imesa, GLboolean discard )
+{
+ __DRIdrawablePrivate *dPriv = imesa->driDrawable;
+
+ if (!imesa->dmaVtxBuf.total)
+ discard = GL_FALSE;
+
+ /* complete indexed drawing commands */
+ savageFlushElts(imesa);
+
+ 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->scissor.enabled) {
+ drm_clip_rect_t *box = dPriv->pClipRects, *ibox;
+ drm_clip_rect_t scissor;
+ GLuint nbox = dPriv->numClipRects, nibox;
+ /* transform and clip scissor to viewport */
+ scissor.x1 = MAX2(imesa->scissor.x, 0) + dPriv->x;
+ scissor.y1 = MAX2(dPriv->h - imesa->scissor.y - imesa->scissor.h,
+ 0) + dPriv->y;
+ scissor.x2 = MIN2(imesa->scissor.x + imesa->scissor.w,
+ dPriv->w) + dPriv->x;
+ scissor.y2 = MIN2(dPriv->h - imesa->scissor.y,
+ dPriv->h) + dPriv->y;
+ /* intersect cliprects with scissor */
+ ibox = malloc(dPriv->numClipRects*sizeof(drm_clip_rect_t));
+ if (!ibox) {
+ fprintf(stderr, "Out of memory.\n");
+ exit(1);
+ }
+ nibox = savageIntersectClipRects(ibox, box, nbox, &scissor);
+ 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);
+ }
+
+ /* 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) {
+ assert (!savageHaveIndexedVerts(imesa));
+ imesa->dmaVtxBuf.total = 0;
+ imesa->dmaVtxBuf.used = 0;
+ imesa->dmaVtxBuf.flushed = 0;
+ }
+ if (!savageHaveIndexedVerts(imesa)) {
+ imesa->clientVtxBuf.used = 0;
+ imesa->clientVtxBuf.flushed = 0;
+ }
+}
+
+
+void savageFlushCmdBuf( savageContextPtr imesa, GLboolean discard )
+{
+ if (SAVAGE_DEBUG & DEBUG_VERBOSE_MSG)
+ fprintf (stderr, "%s\n", __FUNCTION__);
+ LOCK_HARDWARE(imesa);
+ savageFlushCmdBufLocked (imesa, discard);
+ UNLOCK_HARDWARE(imesa);
+}
+
+
+static void savageDDFlush( GLcontext *ctx )
+{
+ savageContextPtr imesa = SAVAGE_CONTEXT(ctx);
+ if (SAVAGE_DEBUG & DEBUG_VERBOSE_MSG)
+ fprintf (stderr, "%s\n", __FUNCTION__);
+ savageFlushVertices (imesa);
+ savageFlushCmdBuf(imesa, GL_FALSE);
+}
+
+static void savageDDFinish( GLcontext *ctx )
+{
+ savageContextPtr imesa = SAVAGE_CONTEXT(ctx);
+ if (SAVAGE_DEBUG & DEBUG_VERBOSE_MSG)
+ fprintf (stderr, "%s\n", __FUNCTION__);
+ savageFlushVertices (imesa);
+ savageFlushCmdBuf(imesa, GL_FALSE);
+ WAIT_IDLE_EMPTY(imesa);
+}
+
+void savageDDInitIoctlFuncs( GLcontext *ctx )
+{
+ ctx->Driver.Clear = savageDDClear;
+ ctx->Driver.Flush = savageDDFlush;
+ ctx->Driver.Finish = savageDDFinish;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-04 23:46:08 +0000