-#/*
+/*
* Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
* Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved.
*
#include <stdio.h>
#include <unistd.h>
-#include "glheader.h"
-#include "mtypes.h"
-#include "macros.h"
-#include "dd.h"
+#include "main/glheader.h"
+#include "main/mtypes.h"
+#include "main/macros.h"
+#include "main/dd.h"
#include "swrast/swrast.h"
-#include "mm.h"
+#include "main/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>
-
-GLuint FrameCount = 0;
-GLuint dmaLow = 0;
-/*=* John Sheng [2003.5.31] flip *=*/
-GLuint nFirstSwap = GL_TRUE;
-GLuint nFirstFlip = GL_TRUE;
-#define SetReg2DAGP(nReg, nData) { \
- *((GLuint *)(vb)) = ((nReg) >> 2) | 0xF0000000; \
- *((GLuint *)(vb) + 1) = (nData); \
- vb += 2; \
- vmesa->dmaLow +=8; \
+#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");
}
-#define DEPTH_SCALE ((1 << 16) - 1)
-static void viaClear(GLcontext *ctx, GLbitfield mask, GLboolean all,
- GLint cx, GLint cy, GLint cw, GLint ch)
+
+void viaCheckDma(struct via_context *vmesa, GLuint bytes)
{
- viaContextPtr vmesa = VIA_CONTEXT(ctx);
- __DRIdrawablePrivate *dPriv = vmesa->driDrawable;
- const GLuint colorMask = *((GLuint *)&ctx->Color.ColorMask);
- int flag = 0;
- GLuint scrn = 0, i = 0, side = 0;
- scrn = vmesa->saam & S_MASK;
- side = vmesa->saam & P_MASK;
-#ifdef DEBUG
- if (VIA_DEBUG) fprintf(stderr, "%s in\n", __FUNCTION__);
-#endif
- VIA_FIREVERTICES(vmesa);
-
- if ((mask & DD_FRONT_LEFT_BIT) && colorMask == ~0) {
- flag |= VIA_FRONT;
- mask &= ~DD_FRONT_LEFT_BIT;
+ VIA_FINISH_PRIM( vmesa );
+ if (vmesa->dmaLow + bytes > VIA_DMA_HIGHWATER) {
+ viaFlushDma(vmesa);
}
+}
- if ((mask & DD_BACK_LEFT_BIT) && colorMask == ~0) {
- flag |= VIA_BACK;
- mask &= ~DD_BACK_LEFT_BIT;
- }
- if (mask & DD_DEPTH_BIT) {
- if (ctx->Depth.Mask)
- flag |= VIA_DEPTH;
- mask &= ~DD_DEPTH_BIT;
- }
-
- if (mask & DD_STENCIL_BIT) {
- if (ctx->Stencil.Enabled)
- flag |= VIA_STENCIL;
- mask &= ~DD_STENCIL_BIT;
- }
-
- /*=* [DBG] make draw to front buffer *=*/
- if(DRAW_FRONT) {
- flag |= VIA_FRONT;
- flag &= ~VIA_BACK;
- }
-
- if (flag) {
- LOCK_HARDWARE(vmesa);
- /* flip top to bottom */
- cy = dPriv->h - cy - ch;
- cx += vmesa->drawX;
- cy += vmesa->drawY;
-
- if (vmesa->numClipRects) {
- int nr = MIN2(i + VIA_NR_SAREA_CLIPRECTS, vmesa->numClipRects);
- XF86DRIClipRectRec *box = vmesa->pClipRects;
- drm_clip_rect_t *b = vmesa->sarea->boxes;
- int n = 0;
-
- if (!vmesa->saam) {
- if (!all) {
-#ifdef DEBUG
- if (VIA_DEBUG) fprintf(stderr,"!all");
-#endif
- for (; i < nr; i++) {
- GLint x = box[i].x1;
- GLint y = box[i].y1;
- GLint w = box[i].x2 - x;
- GLint h = box[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;
-
- b->x1 = x;
- b->y1 = y;
- b->x2 = x + w;
- b->y2 = y + h;
- b++;
- n++;
- }
- }
- else {
- for (; i < nr; i++) {
- *b++ = *(drm_clip_rect_t *)&box[i];
- n++;
- }
- }
- vmesa->sarea->nbox = n;
- }
- else {
- GLuint scrn = 0;
- scrn = vmesa->saam & S_MASK;
-
- if (scrn == S0 || scrn == S1) {
- if (!all) {
- for (; i < nr; i++) {
- GLint x = box[i].x1;
- GLint y = box[i].y1;
- GLint w = box[i].x2 - x;
- GLint h = box[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;
-
- b->x1 = x;
- b->y1 = y;
- b->x2 = x + w;
- b->y2 = y + h;
- b++;
- n++;
- }
- }
- else {
- for (; i < nr; i++) {
- *b++ = *(drm_clip_rect_t *)&box[i];
- n++;
- }
- }
- vmesa->sarea->nbox = n;
- }
- /* between */
- else {
- if (!all) {
- for (; i < nr; i++) {
- GLint x = box[i].x1;
- GLint y = box[i].y1;
- GLint w = box[i].x2 - x;
- GLint h = box[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;
-
- b->x1 = x;
- b->y1 = y;
- b->x2 = x + w;
- b->y2 = y + h;
- b++;
- n++;
- }
-
- }
- else {
- for (; i < nr; i++) {
- *b++ = *(drm_clip_rect_t *)&box[n];
- n++;
- }
- }
- *b++ = *(drm_clip_rect_t *)vmesa->pSaamRects;
- vmesa->sarea->nbox = n;
- }
- }
-
- {
- if (flag & VIA_FRONT) {
-
- if (vmesa->drawType == GLX_PBUFFER_BIT)
- viaFillFrontPBuffer(vmesa);
- else
- viaFillFrontBuffer(vmesa);
-
- if (vmesa->saam && (scrn == (S0 | S1))) {
- nr = MIN2(i + VIA_NR_SAREA_CLIPRECTS, vmesa->numSaamRects);
- box = vmesa->pSaamRects;
- b = vmesa->sarea->boxes;
- n = 0;
-
- for (i = 0; i < nr; i++) {
- *b++ = *(drm_clip_rect_t *)&box[n];
- n++;
- }
-
- vmesa->sarea->nbox = n;
- viaFillFrontBufferSaam(vmesa);
- }
- }
-
- if (flag & VIA_BACK) {
- viaFillBackBuffer(vmesa);
- }
-
- if (flag & VIA_DEPTH) {
- double depth_clamp, range = 0xffffffff;
- if (vmesa->hasStencil == 0) {
- if (vmesa->depthBits == 32) {
- depth_clamp = ((double)ctx->Depth.Clear)*range;
- viaFillDepthBuffer(vmesa, (GLuint)depth_clamp);
- }
- else {
- depth_clamp = ((double)ctx->Depth.Clear)*range;
- viaFillDepthBuffer(vmesa, (GLuint)depth_clamp);
- }
- }
- else {
- depth_clamp = ((double)ctx->Depth.Clear)*range;
- viaFillStencilDepthBuffer(vmesa, (GLuint)depth_clamp);
- }
- }
- /*=* [DBG] Fix tuxracer depth error *=*/
- else if (flag & VIA_STENCIL) {
- viaFillStencilBuffer(vmesa, (GLuint)ctx->Stencil.Clear);
- }
- }
- }
- UNLOCK_HARDWARE(vmesa);
- vmesa->uploadCliprects = GL_TRUE;
- }
- if (mask)
- _swrast_Clear(ctx, mask, all, cx, cy, cw, ch);
-#ifdef DEBUG
- if (VIA_DEBUG) fprintf(stderr, "%s out\n", __FUNCTION__);
-#endif
-}
+#define SetReg2DAGP(nReg, nData) do { \
+ OUT_RING( ((nReg) >> 2) | 0xF0000000 ); \
+ OUT_RING( nData ); \
+} while (0)
-/*
- * Copy the back buffer to the front buffer.
- */
-void viaCopyBuffer(const __DRIdrawablePrivate *dPriv)
+
+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 )
{
- viaContextPtr vmesa;
- XF86DRIClipRectPtr pbox;
- int nbox, i;
- GLuint scrn = 0, side = 0;
-#ifdef DEBUG
- if (VIA_DEBUG) fprintf(stderr, "%s in\n", __FUNCTION__);
-#endif
- assert(dPriv);
- assert(dPriv->driContextPriv);
- assert(dPriv->driContextPriv->driverPrivate);
-
- vmesa = (viaContextPtr)dPriv->driContextPriv->driverPrivate;
-
- VIA_FIREVERTICES(vmesa);
- LOCK_HARDWARE(vmesa);
-
- scrn = vmesa->saam & S_MASK;
- side = vmesa->saam & P_MASK;
-
- pbox = vmesa->pClipRects;
- nbox = vmesa->numClipRects;
-#ifdef DEBUG
- if (VIA_DEBUG) fprintf(stderr, "%s %d cliprects (%d), SAAM (%d)\n",
- __FUNCTION__, nbox, vmesa->drawType, vmesa->saam);
-#endif
-
-
- if (vmesa->drawType == GLX_PBUFFER_BIT) {
- viaDoSwapPBuffers(vmesa);
-#ifdef DEBUG
- if (VIA_DEBUG) fprintf(stderr, "%s SwapPBuffers\n", __FUNCTION__);
-#endif /*=* [DBG] for pbuffer *=*/
- /*viaDoSwapBufferSoftFront(vmesa);*/
- }
- else {
- GLuint scrn = 0;
- scrn = vmesa->saam & S_MASK;
- if (!vmesa->saam) {
- for (i = 0; i < nbox; ) {
- int nr = MIN2(i + VIA_NR_SAREA_CLIPRECTS, dPriv->numClipRects);
- XF86DRIClipRectRec *b = (XF86DRIClipRectRec *)vmesa->sarea->boxes;
-
- vmesa->sarea->nbox = nr - i;
-
- for (; i < nr; i++)
- *b++ = pbox[i];
- viaDoSwapBuffers(vmesa);
-#ifdef DEBUG
- if (VIA_DEBUG) fprintf(stderr, "%s SwapBuffers\n", __FUNCTION__);
-#endif
- }
- }
- else if (scrn == S0 || scrn == S1) {
- for (i = 0; i < nbox; ) {
- int nr = MIN2(i + VIA_NR_SAREA_CLIPRECTS, vmesa->numClipRects);
- XF86DRIClipRectRec *b = (XF86DRIClipRectRec *)vmesa->sarea->boxes;
-
- vmesa->sarea->nbox = nr - i;
-
- for (; i < nr; i++) {
- *b++ = pbox[i];
- }
- viaDoSwapBuffers(vmesa);
- }
- }
- /* between */
- else {
- for (i = 0; i < nbox; ) {
- int nr = MIN2(i + VIA_NR_SAREA_CLIPRECTS, dPriv->numClipRects);
- XF86DRIClipRectRec *b = (XF86DRIClipRectRec *)vmesa->sarea->boxes;
-
- vmesa->sarea->nbox = nr - i;
-
- for (; i < nr; i++)
- *b++ = pbox[i];
- viaDoSwapBuffers(vmesa);
- }
-
- pbox = vmesa->pSaamRects;
- nbox = vmesa->numSaamRects;
-
- for (i = 0; i < nbox; ) {
- int nr = MIN2(i + VIA_NR_SAREA_CLIPRECTS, vmesa->numSaamRects);
- XF86DRIClipRectRec *b = (XF86DRIClipRectRec *)vmesa->sarea->boxes;
-
- vmesa->sarea->nbox = nr - i;
-
- for (; i < nr; i++)
- *b++ = pbox[i];
-
- viaDoSwapBuffersSaam(vmesa);
- }
- }
- }
- UNLOCK_HARDWARE(vmesa);
- vmesa->uploadCliprects = GL_TRUE;
-#ifdef DEBUG
- if (VIA_DEBUG) fprintf(stderr, "%s out\n", __FUNCTION__);
-#endif
-}
+ GLuint dwGEMode, srcX, dstX, cmd;
+ RING_VARS;
-/*
- * XXX implement when full-screen extension is done.
- */
-void viaPageFlip(const __DRIdrawablePrivate *dPriv)
-{
- /*=* John Sheng [2003.5.31] flip *=*/
- viaContextPtr vmesa = (viaContextPtr)dPriv->driContextPriv->driverPrivate;
- GLuint *vb = viaCheckDma(vmesa, vmesa->sarea->nbox*56);
- GLuint nBackBase;
- viaBuffer buffer_tmp;
- GLcontext *ctx;
-
-#ifdef DEBUG
- if (VIA_DEBUG) fprintf(stderr, "%s - in\n", __FUNCTION__);
-#endif
- assert(dPriv);
- assert(dPriv->driContextPriv);
- assert(dPriv->driContextPriv->driverPrivate);
-
- ctx = vmesa->glCtx;
-
- /*=* [DBG] make draw to front buffer *=*/
- if(DRAW_FRONT)
- return;
-
- /* Page Flip*/
- if(GL_FALSE) {
- viaFlushPrimsLocked(vmesa);
- while ((*(volatile GLuint *)((GLuint)vmesa->regMMIOBase + 0x200) & 0x2) != 0x2);
- while (*(volatile GLuint *)((GLuint)vmesa->regMMIOBase + 0x200) & 0x2);
- nBackBase = vmesa->back.offset >> 1;
-
- /*if (nFirstFlip) {
- *vb++ = HALCYON_HEADER2;
- *vb++ = 0x00fe0000;
- *vb++ = 0x00001004;
- *vb++ = 0x00001004;
- vmesa->dmaLow += 16;
-
- nFirstFlip = GL_FALSE;
- }
- SetReg2DAGP(0x214, nBackBase);
- viaFlushPrimsLocked(vmesa);*/
- if (nFirstFlip) {
- *((volatile GLuint *)((GLuint)vmesa->regMMIOBase + 0x43c)) = 0x00fe0000;
- *((volatile GLuint *)((GLuint)vmesa->regMMIOBase + 0x440)) = 0x00001004;
- nFirstFlip = GL_FALSE;
- }
- *((GLuint *)((GLuint)vmesa->regMMIOBase + 0x214)) = nBackBase;
- }
- /* Auto Swap */
- else {
- viaFlushPrimsLocked(vmesa);
- vb = viaCheckDma(vmesa, vmesa->sarea->nbox*56);
- if (nFirstSwap) {
- *vb++ = HALCYON_HEADER2;
- *vb++ = 0x00fe0000;
- *vb++ = 0x0000000e;
- *vb++ = 0x0000000e;
- vmesa->dmaLow += 16;
-
- nFirstSwap = GL_FALSE;
- }
- nBackBase = (vmesa->back.offset << 1);
-
- *vb++ = HALCYON_HEADER2;
- *vb++ = 0x00fe0000;
- *vb++ = (HC_SubA_HFBBasL << 24) | (nBackBase & 0xFFFFF8) | 0x2;
- *vb++ = (HC_SubA_HFBDrawFirst << 24) |
- ((nBackBase & 0xFF000000) >> 24) | 0x0100;
- vmesa->dmaLow += 16;
- viaFlushPrimsLocked(vmesa);
- }
-
-
- memcpy(&buffer_tmp, &vmesa->back, sizeof(viaBuffer));
- memcpy(&vmesa->back, &vmesa->front, sizeof(viaBuffer));
- memcpy(&vmesa->front, &buffer_tmp, sizeof(viaBuffer));
-
- if(vmesa->currentPage) {
- vmesa->currentPage = 0;
- if (vmesa->glCtx->Color._DrawDestMask & BACK_LEFT_BIT) {
- ctx->Driver.DrawBuffer(ctx, GL_BACK_LEFT);
- }
- else {
- ctx->Driver.DrawBuffer(ctx, GL_FRONT_LEFT);
- }
- }
- else {
- vmesa->currentPage = 1;
- if (vmesa->glCtx->Color._DrawDestMask & BACK_LEFT_BIT) {
- ctx->Driver.DrawBuffer(ctx, GL_BACK_LEFT);
- }
- else {
- ctx->Driver.DrawBuffer(ctx, GL_FRONT_LEFT);
- }
+ 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;
}
-#ifdef DEBUG
- if (VIA_DEBUG) fprintf(stderr, "%s - out\n", __FUNCTION__);
-#endif
+ 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();
}
-/* This waits for *everybody* to finish rendering -- overkill.
- */
-void viaDmaFinish(viaContextPtr vmesa)
+static void viaFillBuffer(struct via_context *vmesa,
+ struct via_renderbuffer *buffer,
+ drm_clip_rect_t *pbox,
+ int nboxes,
+ GLuint pixel,
+ GLuint mask)
{
-#ifdef DEBUG
- if (VIA_DEBUG) fprintf(stderr, "%s in\n", __FUNCTION__);
-#endif
- VIA_FIREVERTICES(vmesa);
- LOCK_HARDWARE(vmesa);
- UNLOCK_HARDWARE(vmesa);
-#ifdef DEBUG
- if (VIA_DEBUG) fprintf(stderr, "%s out\n", __FUNCTION__);
-#endif
+ GLuint bytePerPixel = buffer->bpp >> 3;
+ GLuint i;
+
+ for (i = 0; i < nboxes ; i++) {
+ int x = pbox[i].x1 - buffer->drawX;
+ int y = pbox[i].y1 - buffer->drawY;
+ int w = pbox[i].x2 - pbox[i].x1;
+ int h = pbox[i].y2 - pbox[i].y1;
+
+ int offset = (buffer->offset +
+ y * buffer->pitch +
+ x * bytePerPixel);
+
+ viaBlit(vmesa,
+ buffer->bpp,
+ offset, buffer->pitch,
+ offset, buffer->pitch,
+ w, h,
+ VIA_BLIT_FILL, pixel, mask);
+ }
}
-void viaRegetLockQuiescent(viaContextPtr vmesa)
+
+
+static void viaClear(GLcontext *ctx, GLbitfield mask)
{
- drmUnlock(vmesa->driFd, vmesa->hHWContext);
+ struct via_context *vmesa = VIA_CONTEXT(ctx);
+ __DRIdrawablePrivate *dPriv = vmesa->driDrawable;
+ struct via_renderbuffer *const vrb =
+ (struct via_renderbuffer *) dPriv->driverPrivate;
+ 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) == 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;
+ GLint cx, cy, cw, ch;
+ GLboolean all;
+
+ LOCK_HARDWARE(vmesa);
+
+ /* get region after locking: */
+ cx = ctx->DrawBuffer->_Xmin;
+ cy = ctx->DrawBuffer->_Ymin;
+ cw = ctx->DrawBuffer->_Xmax - cx;
+ ch = ctx->DrawBuffer->_Ymax - cy;
+ all = (cw == ctx->DrawBuffer->Width && ch == ctx->DrawBuffer->Height);
+
+ /* flip top to bottom */
+ cy = dPriv->h - cy - ch;
+ cx += vrb->drawX;
+ cy += vrb->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);
}
-static int intersect_rect(drm_clip_rect_t *out,
- drm_clip_rect_t *a,
- drm_clip_rect_t *b)
-{
- *out = *a;
- 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;
+static void viaDoSwapBuffers(struct via_context *vmesa,
+ drm_clip_rect_t *b,
+ GLuint nbox)
+{
+ GLuint bytePerPixel = vmesa->viaScreen->bitsPerPixel >> 3;
+ struct via_renderbuffer *front = &vmesa->front;
+ struct via_renderbuffer *back = &vmesa->back;
+ GLuint i;
+
+ for (i = 0; i < nbox; i++, b++) {
+ GLint x = b->x1 - back->drawX;
+ GLint y = b->y1 - back->drawY;
+ GLint w = b->x2 - b->x1;
+ GLint h = b->y2 - b->y1;
+
+ GLuint src = back->offset + y * back->pitch + x * bytePerPixel;
+ GLuint dest = front->offset + 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 */
}
-void viaFlushPrimsLocked(viaContextPtr vmesa)
+
+static void viaEmitBreadcrumbLocked( struct via_context *vmesa )
{
- drm_clip_rect_t *pbox = (drm_clip_rect_t *)vmesa->pClipRects;
- int nbox = vmesa->numClipRects;
- drm_via_sarea_t *sarea = vmesa->sarea;
- drm_via_flush_agp_t agpCmd;
- drm_via_flush_sys_t sysCmd;
- GLuint *vb = viaCheckDma(vmesa, 0);
- int i;
-
- if (vmesa->dmaLow == DMA_OFFSET) {
- return;
- }
- if (vmesa->dmaLow > 2097152)
- fprintf(stderr, "buffer overflow in Flush Prims = %d\n",vmesa->dmaLow);
-
- switch (vmesa->dmaLow & 0x1F) {
- case 8:
- *vb++ = HC_HEADER2;
- *vb++ = (HC_ParaType_NotTex << 16);
- *vb++ = HC_DUMMY;
- *vb++ = HC_DUMMY;
- *vb++ = HC_DUMMY;
- *vb++ = HC_DUMMY;
- vmesa->dmaLow += 24;
- break;
- case 16:
- *vb++ = HC_HEADER2;
- *vb++ = (HC_ParaType_NotTex << 16);
- *vb++ = HC_DUMMY;
- *vb++ = HC_DUMMY;
- vmesa->dmaLow += 16;
- break;
- case 24:
- *vb++ = HC_HEADER2;
- *vb++ = (HC_ParaType_NotTex << 16);
- *vb++ = HC_DUMMY;
- *vb++ = HC_DUMMY;
- *vb++ = HC_DUMMY;
- *vb++ = HC_DUMMY;
- *vb++ = HC_DUMMY;
- *vb++ = HC_DUMMY;
- *vb++ = HC_DUMMY;
- *vb++ = HC_DUMMY;
- vmesa->dmaLow += 40;
- break;
- case 0:
- break;
- default:
- break;
- }
-
- if (vmesa->useAgp) {
- agpCmd.offset = 0x0;
- agpCmd.size = vmesa->dmaLow;
- agpCmd.index = vmesa->dma[vmesa->dmaIndex].index;
- agpCmd.discard = 0;
- }
- else {
- sysCmd.offset = 0x0;
- sysCmd.size = vmesa->dmaLow;
- sysCmd.index = (GLuint)vmesa->dma[vmesa->dmaIndex].map;
- sysCmd.discard = 0;
- }
-
- sarea->vertexPrim = vmesa->hwPrimitive;
+ struct via_renderbuffer *buffer = &vmesa->breadcrumb;
+ GLuint value = vmesa->lastBreadcrumbWrite + 1;
- if (!nbox) {
- if (vmesa->useAgp)
- agpCmd.size = 0;
- else
- sysCmd.size = 0;
- }
- else if (nbox > VIA_NR_SAREA_CLIPRECTS) {
- vmesa->uploadCliprects = GL_TRUE;
- }
-/*=* John Sheng [2003.5.31] flip *=*/
-/*#ifdef DEBUG
- if (VIA_DEBUG) {
- GLuint i;
- GLuint *data = (GLuint *)vmesa->dmaAddr;
- for (i = 0; i < vmesa->dmaLow; i += 16) {
- fprintf(stderr, "%08x ", *data++);
- fprintf(stderr, "%08x ", *data++);
- fprintf(stderr, "%08x ", *data++);
- fprintf(stderr, "%08x\n", *data++);
- }
- fprintf(stderr, "******************************************\n");
- }
-#endif*/
- if (!nbox || !vmesa->uploadCliprects) {
- if (nbox == 1)
- sarea->nbox = 0;
- else
- sarea->nbox = nbox;
-
- if (vmesa->useAgp) {
- agpCmd.discard = 1;
- flush_agp(vmesa, &agpCmd);
- }
- else {
- sysCmd.discard = 1;
- flush_sys(vmesa, &sysCmd);
- }
- }
- else {
- GLuint scrn;
- GLuint side;
- scrn = vmesa->saam & S_MASK;
- side = vmesa->saam & P_MASK;
-
- for (i = 0; i < nbox; ) {
- int nr = MIN2(i + VIA_NR_SAREA_CLIPRECTS, nbox);
- drm_clip_rect_t *b = sarea->boxes;
-
- if (!vmesa->saam) {
- if (vmesa->glCtx->Scissor.Enabled) {
- sarea->nbox = 0;
-
- for (; i < nr; i++) {
- b->x1 = pbox[i].x1 - vmesa->drawX;
- b->y1 = pbox[i].y1 - vmesa->drawY;
- b->x2 = pbox[i].x2 - vmesa->drawX;
- b->y2 = pbox[i].y2 - vmesa->drawY;
- if (intersect_rect(b, b, &vmesa->scissorRect)) {
- sarea->nbox++;
- b++;
- }
- }
- if (!sarea->nbox) {
- if (nr < nbox) continue;
- agpCmd.size = 0;
- }
- }
- else {
- sarea->nbox = nr - i;
- for (; i < nr; i++, b++) {
- b->x1 = pbox[i].x1 - vmesa->drawX;
- b->y1 = pbox[i].y1 - vmesa->drawY;
- b->x2 = pbox[i].x2 - vmesa->drawX;
- b->y2 = pbox[i].y2 - vmesa->drawY;
- }
- }
- }
- else if (scrn == S0 || scrn == S1){
- if (vmesa->scissor) {
- sarea->nbox = 0;
- for (; i < nr; i++) {
- b->x1 = pbox[i].x1 - vmesa->drawX;
- b->y1 = pbox[i].y1 - vmesa->drawY;
- b->x2 = pbox[i].x2 - vmesa->drawX;
- b->y2 = pbox[i].y2 - vmesa->drawY;
- if (intersect_rect(b, b, &vmesa->scissorRect)) {
- sarea->nbox++;
- b++;
- }
- }
- if (!sarea->nbox) {
- if (nr < nbox) continue;
- agpCmd.size = 0;
- }
- }
- else {
- sarea->nbox = nr - i;
- for (; i < nr; i++, b++) {
- b->x1 = pbox[i].x1 - vmesa->drawX;
- b->y1 = pbox[i].y1 - vmesa->drawY;
- b->x2 = pbox[i].x2 - vmesa->drawX;
- b->y2 = pbox[i].y2 - vmesa->drawY;
- }
- }
-
- }
- /* between */
- else {
- if (vmesa->scissor) {
- sarea->nbox = 0;
- for (; i < nr; i++) {
- b->x1 = pbox[i].x1 - vmesa->drawX;
- b->y1 = pbox[i].y1 - vmesa->drawY;
- b->x2 = pbox[i].x2 - vmesa->drawX;
- b->y2 = pbox[i].y2 - vmesa->drawY;
-
- if (intersect_rect(b, b, &vmesa->scissorRect)) {
- sarea->nbox++;
- b++;
- }
- }
- if (!sarea->nbox) {
- if (nr < nbox) continue;
- agpCmd.size = 0;
- }
- }
- else {
- sarea->nbox = nr - i;
- for (; i < nr; i++, b++) {
- b->x1 = pbox[i].x1 - vmesa->drawX;
- b->y1 = pbox[i].y1 - vmesa->drawY;
- b->x2 = pbox[i].x2 - vmesa->drawX;
- b->y2 = pbox[i].y2 - vmesa->drawY;
- }
- }
- }
-
- if (nr == nbox) {
- if (vmesa->useAgp) {
- agpCmd.discard = 1;
- flush_agp(vmesa, &agpCmd);
- }
- else {
- sysCmd.discard = 1;
- flush_sys(vmesa, &sysCmd);
- }
- }
-
- if (scrn == (S0 | S1)) {
- pbox = (drm_clip_rect_t *)vmesa->pSaamRects;
- nbox = vmesa->numSaamRects;
- for (i = 0; i < nbox; ) {
- int nr = MIN2(i + VIA_NR_SAREA_CLIPRECTS, nbox);
- drm_clip_rect_t *b = sarea->boxes;
- if (vmesa->scissor) {
- sarea->nbox = 0;
- for (; i < nr; i++) {
- b->x1 = pbox[i].x1 - vmesa->drawXSaam;
- b->y1 = pbox[i].y1 - vmesa->drawYSaam;
- b->x2 = pbox[i].x2 - vmesa->drawXSaam;
- b->y2 = pbox[i].y2 - vmesa->drawYSaam;
-
- if (intersect_rect(b, b, &vmesa->scissorRect)) {
- sarea->nbox++;
- b++;
- }
- }
- if (!sarea->nbox) {
- if (nr < nbox) continue;
- agpCmd.size = 0;
- }
- }
- else {
- sarea->nbox = nr - i;
- for (; i < nr; i++, b++) {
- b->x1 = pbox[i].x1 - vmesa->drawXSaam;
- b->y1 = pbox[i].y1 - vmesa->drawYSaam;
- b->x2 = pbox[i].x2 - vmesa->drawXSaam;
- b->y2 = pbox[i].y2 - vmesa->drawYSaam;
- }
- }
- }
- flush_agp_saam(vmesa, &agpCmd);
- }
- }
- }
-#ifdef DEBUG
- if (VIA_DEBUG) {
- GLuint i;
- GLuint *data = (GLuint *)vmesa->dmaAddr;
- for (i = 0; i < vmesa->dmaLow; i += 16) {
- fprintf(stderr, "%08x ", *data++);
- fprintf(stderr, "%08x ", *data++);
- fprintf(stderr, "%08x ", *data++);
- fprintf(stderr, "%08x\n", *data++);
- }
- fprintf(stderr, "******************************************\n");
- }
-#endif
- /* Reset vmesa vars:
- */
- vmesa->dmaLow = DMA_OFFSET;
- if (vmesa->dmaIndex) {
- vmesa->dmaAddr = vmesa->dma[0].map;
- vmesa->dmaHigh = vmesa->dma[0].size;
- vmesa->dmaLastPrim = DMA_OFFSET;
- vmesa->dmaIndex = 0;
- }
- else {
- vmesa->dmaAddr = vmesa->dma[1].map;
- vmesa->dmaHigh = vmesa->dma[1].size;
- vmesa->dmaLastPrim = DMA_OFFSET;
- vmesa->dmaIndex = 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 viaFlushPrims(viaContextPtr vmesa)
+void viaEmitBreadcrumb( struct via_context *vmesa )
{
-#ifdef DEBUG
- if (VIA_DEBUG) fprintf(stderr, "%s in\n", __FUNCTION__);
-#endif
- if (vmesa->dmaLow) {
- LOCK_HARDWARE(vmesa);
- viaFlushPrimsLocked(vmesa);
- UNLOCK_HARDWARE(vmesa);
- }
-#ifdef DEBUG
- if (VIA_DEBUG) fprintf(stderr, "%s in\n", __FUNCTION__);
-#endif
+ LOCK_HARDWARE(vmesa);
+ if (vmesa->dmaLow)
+ viaFlushDmaLocked(vmesa, 0);
+
+ viaEmitBreadcrumbLocked( vmesa );
+ UNLOCK_HARDWARE(vmesa);
}
-static void viaFlush(GLcontext *ctx)
+static GLboolean viaCheckIdle( struct via_context *vmesa )
{
- viaContextPtr vmesa = VIA_CONTEXT(ctx);
-#ifdef DEBUG
- if (VIA_DEBUG) fprintf(stderr, "%s in\n", __FUNCTION__);
-#endif
- VIA_FIREVERTICES(vmesa);
-#ifdef DEBUG
- if (VIA_DEBUG) fprintf(stderr, "%s out\n", __FUNCTION__);
-#endif
+ if ((vmesa->regEngineStatus[0] & 0xFFFEFFFF) == 0x00020000) {
+ return GL_TRUE;
+ }
+ return GL_FALSE;
}
-static void viaFinish(GLcontext *ctx)
+
+GLboolean viaCheckBreadcrumb( struct via_context *vmesa, GLuint value )
{
-#ifdef DEBUG
- if (VIA_DEBUG) fprintf(stderr, "%s in\n", __FUNCTION__);
- if (VIA_DEBUG) fprintf(stderr, "%s out\n", __FUNCTION__);
-#endif
- return;
+ 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 viaClearStencil(GLcontext *ctx, int s)
+static void viaWaitBreadcrumb( struct via_context *vmesa, GLuint value )
{
- return;
+ 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 viaInitIoctlFuncs(GLcontext *ctx)
+
+void viaWaitIdle( struct via_context *vmesa, GLboolean light )
{
- ctx->Driver.Flush = viaFlush;
- ctx->Driver.Clear = viaClear;
- ctx->Driver.Finish = viaFinish;
- ctx->Driver.ClearStencil = viaClearStencil;
+ 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 viaFillFrontBuffer(viaContextPtr vmesa)
+
+void viaWaitIdleLocked( struct via_context *vmesa, GLboolean light )
{
- GLuint nDestBase, nDestPitch, nDestWidth, nDestHeight, offsetX, offset,i;
- drm_clip_rect_t *b = vmesa->sarea->boxes;
- GLuint *vb = viaCheckDma(vmesa, vmesa->sarea->nbox*48);
- GLuint bytePerPixel = vmesa->viaScreen->bitsPerPixel >> 3;
- GLuint pixel = (GLuint)vmesa->ClearColor;
-
- offset = vmesa->viaScreen->fbOffset + (vmesa->drawY * vmesa->front.pitch + vmesa->drawX * bytePerPixel);
-#ifdef DEBUG
- if (VIA_DEBUG) fprintf(stderr, "Fill Front offset = %08x\n", offset);
-#endif
- nDestBase = offset & 0xffffffe0;
- nDestPitch = vmesa->front.pitch;
-
- for (i = 0; i < vmesa->sarea->nbox ; i++) {
- nDestWidth = b->x2 - b->x1 - 1;
- nDestHeight = b->y2 - b->y1 - 1;
-
- if (bytePerPixel == 4)
- offsetX = (b->x1 - vmesa->drawX) + (vmesa->drawX & 7);
- else
- offsetX = (b->x1 - vmesa->drawX) + (vmesa->drawX & 15);
-
+ if (vmesa->dmaLow)
+ viaFlushDmaLocked(vmesa, 0);
- if (GL_TRUE) {
- /* GEFGCOLOR*/
- SetReg2DAGP(0x18, pixel | 0x00000000);
- /* GEWD*/
- SetReg2DAGP(0x10, nDestWidth | (nDestHeight << 16));
- /* GEDST*/
- SetReg2DAGP(0x0C, (offsetX | ((b->y1 - vmesa->drawY) << 16)));
- /* GEDSTBASE*/
- SetReg2DAGP(0x34, (nDestBase >> 3));
- /* GEPITCH*/
- SetReg2DAGP(0x38, (((nDestPitch >> 3) << 16) & 0x7FF0000) | 0x80000000);
- /* BITBLT*/
- SetReg2DAGP(0x0, 0x1 | 0x2000 | 0xF0000000);
- }
- b++;
- }
+ if (VIA_DEBUG & DEBUG_IOCTL)
+ fprintf(stderr, "%s lastDma %d lastBreadcrumbWrite %d\n",
+ __FUNCTION__, vmesa->lastDma, vmesa->lastBreadcrumbWrite);
- viaFlushPrimsLocked(vmesa);
-}
+ /* Need to emit a new breadcrumb?
+ */
+ if (vmesa->lastDma == vmesa->lastBreadcrumbWrite) {
+ viaEmitBreadcrumbLocked( vmesa );
+ }
-void viaFillFrontBufferSaam(viaContextPtr vmesa)
-{
- GLuint nDestBase, nDestPitch, nDestWidth, nDestHeight, offsetX, offset,i;
- drm_clip_rect_t *b = vmesa->sarea->boxes;
- GLuint *vb = viaCheckDma(vmesa, vmesa->sarea->nbox*48);
- GLuint bytePerPixel = vmesa->viaScreen->bitsPerPixel >> 3;
- GLuint pixel = (GLuint)vmesa->ClearColor;
-
- offset = vmesa->viaScreen->fbSize +
- (vmesa->drawYSaam * vmesa->front.pitch + vmesa->drawXSaam * bytePerPixel);
- nDestBase = offset & 0xffffffe0;
- nDestPitch = vmesa->front.pitch;
-
- for (i = 0; i < vmesa->sarea->nbox ; i++) {
- nDestWidth = b->x2 - b->x1 - 1;
- nDestHeight = b->y2 - b->y1 - 1;
-
- if (bytePerPixel == 4)
- offsetX = (b->x1 - vmesa->drawXSaam) + (vmesa->drawXSaam & 7);
- else
- offsetX = (b->x1 - vmesa->drawXSaam) + (vmesa->drawXSaam & 15);
-
- if (GL_TRUE) {
- /* GEFGCOLOR*/
- SetReg2DAGP(0x18, pixel | 0x00000000);
- /* GEWD*/
- SetReg2DAGP(0x10, nDestWidth | (nDestHeight << 16));
- /* GEDST*/
- SetReg2DAGP(0x0C, (offsetX | ((b->y1 - vmesa->drawYSaam) << 16)));
- /* GEDSTBASE*/
- SetReg2DAGP(0x34, (nDestBase >> 3));
- /* GEPITCH*/
- SetReg2DAGP(0x38, (((nDestPitch >> 3) << 16) & 0x7FF0000) | 0x80000000);
- /* BITBLT*/
- SetReg2DAGP(0x0, 0x1 | 0x2000 | 0xF0000000);
- }
- b++;
- }
+ /* Need to wait?
+ */
+ if (vmesa->lastDma >= vmesa->lastBreadcrumbRead)
+ viaWaitBreadcrumb( vmesa, vmesa->lastDma );
+
+ if (light) return;
- viaFlushPrimsLocked(vmesa);
+ while(!viaCheckIdle(vmesa))
+ ;
+
+ via_release_pending_textures(vmesa);
}
-void viaFillFrontPBuffer(viaContextPtr 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( __DRIdrawablePrivate *dPriv,
+ struct via_context *vmesa,
+ GLuint value )
{
- GLuint nDestBase, nDestPitch, nDestWidth, nDestHeight, offsetX, offset;
- GLuint *vb = viaCheckDma(vmesa, vmesa->sarea->nbox*48);
- GLuint pixel = (GLuint)vmesa->ClearColor;
-
- offset = vmesa->front.offset;
-#ifdef DEBUG
- if (VIA_DEBUG) fprintf(stderr, "Fill PFront offset = %08x\n", offset);
-#endif
- nDestBase = offset;
- nDestPitch = vmesa->front.pitch;
-
- nDestWidth = vmesa->driDrawable->w - 1;
- nDestHeight = vmesa->driDrawable->h - 1;
-
- offsetX = 0;
-
- /* GEFGCOLOR*/
- SetReg2DAGP(0x18, pixel | 0x00000000);
- /* GEWD*/
- SetReg2DAGP(0x10, nDestWidth | (nDestHeight << 16));
- /* GEDST*/
- SetReg2DAGP(0x0C, (offsetX | (0 << 16)));
- /* GEDSTBASE*/
- SetReg2DAGP(0x34, (nDestBase >> 3));
- /* GEPITCH*/
- SetReg2DAGP(0x38, (((nDestPitch >> 3) << 16) & 0x7FF0000) | 0x80000000);
- /* BITBLT*/
- SetReg2DAGP(0x0, 0x1 | 0x2000 | 0xF0000000);
-
- viaFlushPrimsLocked(vmesa);
+ GLboolean missed_target;
+ __DRIscreenPrivate *psp = dPriv->driScreenPriv;
+
+ VIA_FLUSH_DMA(vmesa);
+
+ if (!value)
+ return;
+
+ do {
+ if (value < vmesa->lastBreadcrumbRead ||
+ vmesa->thrashing)
+ viaSwapOutWork(vmesa);
+
+ driWaitForVBlank( dPriv, & missed_target );
+ if ( missed_target ) {
+ vmesa->swap_missed_count++;
+ (*psp->systemTime->getUST)( &vmesa->swap_missed_ust );
+ }
+ }
+ while (!viaCheckBreadcrumb(vmesa, value));
+
+ vmesa->thrashing = 0; /* reset flag on swap */
+ vmesa->swap_count++;
+ via_release_pending_textures( vmesa );
}
-void viaFillBackBuffer(viaContextPtr vmesa)
+
+
+static void viaDoPageFlipLocked(struct via_context *vmesa, GLuint offset)
{
- GLuint nDestBase, nDestPitch, nDestWidth, nDestHeight, offsetX, offset;
- GLcontext *ctx = vmesa->glCtx;
- GLuint *vb = viaCheckDma(vmesa, 48);
- GLuint pixel = (GLuint)vmesa->ClearColor;
- GLuint bytePerPixel = vmesa->viaScreen->bitsPerPixel >> 3;
-
- offset = vmesa->back.offset;
-#ifdef DEBUG
- if (VIA_DEBUG) fprintf(stderr, "Fill Back offset = %08x\n", offset);
-#endif
- nDestBase = offset;
- nDestPitch = vmesa->back.pitch;
- offsetX = vmesa->drawXoff;
-
- {
- if (!ctx->Scissor.Enabled) {
-
- nDestWidth = (vmesa->back.pitch / vmesa->viaScreen->bitsPerPixel * 8) - 1;
- nDestHeight = vmesa->driDrawable->h -1;
-
- /* GEFGCOLOR */
- SetReg2DAGP(0x18, pixel | 0x00000000);
- /* GEWD */
- SetReg2DAGP(0x10, nDestWidth | (nDestHeight << 16));
- /* GEDST */
- SetReg2DAGP(0x0C, (offsetX | (0 << 16)));
- /* GEDSTBASE */
- SetReg2DAGP(0x34, (nDestBase >> 3));
- /* GEPITCH */
- SetReg2DAGP(0x38, (((nDestPitch >> 3) << 16) & 0x7FF0000) | 0x80000000);
- /* BITBLT */
- SetReg2DAGP(0x0, 0x1 | 0x2000 | 0xF0000000);
- }
- /*=* John Sheng [2003.7.18] texenv *=*/
- else {
- int i;
- drm_clip_rect_t *b = vmesa->sarea->boxes;
- for (i = 0; i < vmesa->sarea->nbox ; i++) {
- nDestWidth = b->x2 - b->x1 - 1;
- nDestHeight = b->y2 - b->y1 - 1;
-
- if (bytePerPixel == 4)
- offsetX = (b->x1 - vmesa->drawX) + (vmesa->drawX & 7);
- else
- offsetX = (b->x1 - vmesa->drawX) + (vmesa->drawX & 15);
-
- /* GEFGCOLOR */
- SetReg2DAGP(0x18, pixel | 0x00000000);
- /* GEWD */
- SetReg2DAGP(0x10, nDestWidth | (nDestHeight << 16));
- /* GEDST */
- SetReg2DAGP(0x0C, ((offsetX + (b->x1 - vmesa->drawX)) | ((b->y1 - vmesa->drawY) << 16)));
- /* GEDSTBASE */
- SetReg2DAGP(0x34, (nDestBase >> 3));
- /* GEPITCH */
- SetReg2DAGP(0x38, (((nDestPitch >> 3) << 16) & 0x7FF0000) | 0x80000000);
- /* BITBLT */
- SetReg2DAGP(0x0, 0x1 | 0x2000 | 0xF0000000);
- b++;
- }
- }
-#ifdef DEBUG
- if (VIA_DEBUG) {
- fprintf(stderr," width = %08x\n", nDestWidth);
- fprintf(stderr," height = %08x\n", nDestHeight);
- }
-#endif
- }
+ 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 viaFillStencilDepthBuffer(viaContextPtr vmesa, GLuint pixel)
+void viaResetPageFlippingLocked(struct via_context *vmesa)
{
- GLuint nDestBase, nDestPitch, nDestWidth, nDestHeight, offsetX, offset;
- GLuint *vb = viaCheckDma(vmesa, 80);
- GLuint nMask;
-
- offset = vmesa->depth.offset;
-#ifdef DEBUG
- if (VIA_DEBUG) fprintf(stderr, "Fill Stencil Depth offset = %08x\n", offset);
-#endif
- nDestBase = offset;
- nDestPitch = vmesa->depth.pitch;
- offsetX = vmesa->drawXoff;
- pixel = pixel & 0xffffff00;
- nMask = 0x10000000;
-
- {
- nDestWidth = (vmesa->depth.pitch / vmesa->depthBits * 8) - 1 - offsetX;
- nDestHeight = vmesa->driDrawable->h -1;
-
- if (vmesa->viaScreen->bitsPerPixel == vmesa->depth.bpp) {
- /* GEFGCOLOR */
- SetReg2DAGP(0x18, pixel);
- /* GEMASK */
- SetReg2DAGP(0x2C, nMask);
- /* GEWD */
- SetReg2DAGP(0x10, nDestWidth | (nDestHeight << 16));
- /* GEDST */
- SetReg2DAGP(0x0C, (offsetX | (0 << 16)));
- /* GEDSTBASE */
- SetReg2DAGP(0x34, (nDestBase >> 3));
- /* GEPITCH */
- SetReg2DAGP(0x38, (((nDestPitch >> 3) << 16) & 0x7FF0000) | 0x80000000);
- /* BITBLT */
- SetReg2DAGP(0x0, 0x1 | 0x2000 | 0xF0000000);
- /* GEMASK */
- SetReg2DAGP(0x2C, 0x00000000);
- }
- else {
- GLuint EngStatus = *(vmesa->pnGEMode);
- /* GEMODE */
- SetReg2DAGP(0x04, (EngStatus & 0xFFFFFCFF) | 0x300);
- /* GEFGCOLOR */
- SetReg2DAGP(0x18, pixel);
- /* GEMASK */
- SetReg2DAGP(0x2C, nMask);
- /* GEWD */
- SetReg2DAGP(0x10, nDestWidth | (nDestHeight << 16));
- /* GEDST */
- SetReg2DAGP(0x0C, (offsetX | (0 << 16)));
- /* GEDSTBASE */
- SetReg2DAGP(0x34, (nDestBase >> 3));
- /* GEPITCH */
- SetReg2DAGP(0x38, (((nDestPitch >> 3) << 16) & 0x7FF0000) | 0x80000000);
- /* BITBLT */
- SetReg2DAGP(0x0, 0x1 | 0x2000 | 0xF0000000);
- /* GEMODE */
- SetReg2DAGP(0x04, EngStatus);
- /* GEMASK */
- SetReg2DAGP(0x2C, 0x00000000);
-
- WAIT_IDLE
- }
- }
+ if (VIA_DEBUG & DEBUG_2D)
+ fprintf(stderr, "%s\n", __FUNCTION__);
- if (vmesa->glCtx->Color._DrawDestMask & BACK_LEFT_BIT) {
- viaFlushPrimsLocked(vmesa);
- }
-}
+ viaDoPageFlipLocked( vmesa, 0 );
-void viaFillStencilBuffer(viaContextPtr vmesa, GLuint pixel)
-{
- GLuint nDestBase, nDestPitch, nDestWidth, nDestHeight, offsetX, offset;
- GLuint *vb = viaCheckDma(vmesa, 80);
- GLuint nMask;
-
- offset = vmesa->depth.offset;
-#ifdef DEBUG
- if (VIA_DEBUG) fprintf(stderr, "Fill Stencil offset = %08x\n", offset);
-#endif
- nDestBase = offset;
- nDestPitch = vmesa->depth.pitch;
- offsetX = vmesa->drawXoff;
- pixel = pixel & 0x000000ff;
- nMask = 0xe0000000;
-
- {
- nDestWidth = (vmesa->depth.pitch / vmesa->depthBits * 8) - 1 - offsetX;
- nDestHeight = vmesa->driDrawable->h -1;
-
- if (vmesa->viaScreen->bitsPerPixel == vmesa->depth.bpp) {
- /* GEFGCOLOR */
- SetReg2DAGP(0x18, pixel);
- /* GEMASK */
- SetReg2DAGP(0x2C, nMask);
- /* GEWD */
- SetReg2DAGP(0x10, nDestWidth | (nDestHeight << 16));
- /* GEDST */
- SetReg2DAGP(0x0C, (offsetX | (0 << 16)));
- /* GEDSTBASE */
- SetReg2DAGP(0x34, (nDestBase >> 3));
- /* GEPITCH */
- SetReg2DAGP(0x38, (((nDestPitch >> 3) << 16) & 0x7FF0000) | 0x80000000);
- /* BITBLT */
- SetReg2DAGP(0x0, 0x1 | 0x2000 | 0xF0000000);
- /* GEMASK */
- SetReg2DAGP(0x2C, 0x00000000);
- }
- else {
- GLuint EngStatus = *(vmesa->pnGEMode);
- /* GEMODE */
- SetReg2DAGP(0x04, (EngStatus & 0xFFFFFCFF) | 0x300);
- /* GEFGCOLOR */
- SetReg2DAGP(0x18, pixel);
- /* GEMASK */
- SetReg2DAGP(0x2C, nMask);
- /* GEWD */
- SetReg2DAGP(0x10, nDestWidth | (nDestHeight << 16));
- /* GEDST */
- SetReg2DAGP(0x0C, (offsetX | (0 << 16)));
- /* GEDSTBASE */
- SetReg2DAGP(0x34, (nDestBase >> 3));
- /* GEPITCH */
- SetReg2DAGP(0x38, (((nDestPitch >> 3) << 16) & 0x7FF0000) | 0x80000000);
- /* BITBLT */
- SetReg2DAGP(0x0, 0x1 | 0x2000 | 0xF0000000);
- /* GEMODE */
- SetReg2DAGP(0x04, EngStatus);
- /* GEMASK */
- SetReg2DAGP(0x2C, 0x00000000);
- }
- }
+ if (vmesa->front.offset != 0) {
+ struct via_renderbuffer buffer_tmp;
+ memcpy(&buffer_tmp, &vmesa->back, sizeof(struct via_renderbuffer));
+ memcpy(&vmesa->back, &vmesa->front, sizeof(struct via_renderbuffer));
+ memcpy(&vmesa->front, &buffer_tmp, sizeof(struct via_renderbuffer));
+ }
- if (vmesa->glCtx->Color._DrawDestMask & BACK_LEFT_BIT) {
- viaFlushPrimsLocked(vmesa);
- }
+ assert(vmesa->front.offset == 0);
+ vmesa->doPageFlip = vmesa->allowPageFlip = 0;
}
-void viaFillDepthBuffer(viaContextPtr vmesa, GLuint pixel)
+
+/*
+ * Copy the back buffer to the front buffer.
+ */
+void viaCopyBuffer(__DRIdrawablePrivate *dPriv)
{
- GLuint nDestBase, nDestPitch, nDestWidth, nDestHeight, offsetX, offset;
- GLuint *vb = viaCheckDma(vmesa, 72);
- offset = vmesa->depth.offset;
-#ifdef DEBUG
- if (VIA_DEBUG) fprintf(stderr, "Fill Depth offset = %08x\n", offset);
-#endif
- nDestBase = offset;
- nDestPitch = vmesa->depth.pitch;
- offsetX = vmesa->drawXoff;
-
- {
- nDestWidth = (vmesa->depth.pitch / vmesa->depthBits * 8) - 1 - offsetX;
- nDestHeight = vmesa->driDrawable->h -1;
-
- if (vmesa->viaScreen->bitsPerPixel == vmesa->depth.bpp) {
- /* GEFGCOLOR */
- SetReg2DAGP(0x18, pixel);
- /* GEMASK */
- SetReg2DAGP(0x2C, 0x0);
- /* GEWD */
- SetReg2DAGP(0x10, nDestWidth | (nDestHeight << 16));
- /* GEDST */
- SetReg2DAGP(0x0C, (offsetX | (0 << 16)));
- /* GEDSTBASE */
- SetReg2DAGP(0x34, (nDestBase >> 3));
- /* GEPITCH */
- SetReg2DAGP(0x38, (((nDestPitch >> 3) << 16) & 0x7FF0000) | 0x80000000);
- /* BITBLT */
- SetReg2DAGP(0x0, 0x1 | 0x2000 | 0xF0000000);
- }
- /* depth = 16, color = 32 */
- else if (vmesa->depth.bpp == 16) {
- GLuint EngStatus = *(vmesa->pnGEMode);
-
- /* GEMODE */
- SetReg2DAGP(0x04, (EngStatus & 0xFFFFFCFF) | 0x100);
- /* GEMASK */
- SetReg2DAGP(0x2C, 0x0);
- /* GEFGCOLOR */
- SetReg2DAGP(0x18, pixel);
- /* GEWD */
- SetReg2DAGP(0x10, nDestWidth | (nDestHeight << 16));
- /* GEDST */
- SetReg2DAGP(0x0C, (offsetX | (0 << 16)));
- /* GEDSTBASE */
- SetReg2DAGP(0x34, (nDestBase >> 3));
- /* GEPITCH */
- SetReg2DAGP(0x38, (((nDestPitch >> 3) << 16) & 0x7FF0000) | 0x80000000);
- /* BITBLT */
- SetReg2DAGP(0x0, 0x1 | 0x2000 | 0xF0000000);
- /* GEMODE */
- SetReg2DAGP(0x04, EngStatus);
- }
- /* depth = 32, color = 16 */
- else {
- GLuint EngStatus = *(vmesa->pnGEMode);
-
- /* GEMODE */
- SetReg2DAGP(0x04, (EngStatus & 0xFFFFFCFF) | 0x300);
- /* GEMASK */
- SetReg2DAGP(0x2C, 0x0);
- /* GEFGCOLOR */
- SetReg2DAGP(0x18, pixel);
- /* GEWD */
- SetReg2DAGP(0x10, nDestWidth | (nDestHeight << 16));
- /* GEDST */
- SetReg2DAGP(0x0C, (offsetX | (0 << 16)));
- /* GEDSTBASE */
- SetReg2DAGP(0x34, (nDestBase >> 3));
- /* GEPITCH */
- SetReg2DAGP(0x38, (((nDestPitch >> 3) << 16) & 0x7FF0000) | 0x80000000);
- /* BITBLT */
- SetReg2DAGP(0x0, 0x1 | 0x2000 | 0xF0000000);
- /* GEMODE */
- SetReg2DAGP(0x04, EngStatus);
- }
- }
-
- if (vmesa->glCtx->Color._DrawDestMask & BACK_LEFT_BIT) {
- viaFlushPrimsLocked(vmesa);
- }
+ struct via_context *vmesa =
+ (struct via_context *)dPriv->driContextPriv->driverPrivate;
+ __DRIscreenPrivate *psp = dPriv->driScreenPriv;
+
+ 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 (dPriv->vblFlags == 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);
+
+ (*psp->systemTime->getUST)( &vmesa->swap_ust );
}
-void viaDoSwapBuffers(viaContextPtr vmesa)
-{
- GLuint *vb = viaCheckDma(vmesa, vmesa->sarea->nbox*56);
- GLuint nFrontPitch;
- GLuint nBackPitch;
- GLuint nFrontWidth, nFrontHeight, nBackWidth, nBackHeight;
- GLuint nFrontBase, nBackBase;
- GLuint nFrontOffsetX, nFrontOffsetY, nBackOffsetX, nBackOffsetY;
- drm_clip_rect_t *b = vmesa->sarea->boxes;
- GLuint bytePerPixel = vmesa->viaScreen->bitsPerPixel >> 3;
- GLuint i;
-
- nFrontPitch = vmesa->front.pitch;
- nBackPitch = vmesa->back.pitch;
-
- /* Caculate Base */
- nFrontBase = vmesa->viaScreen->fbOffset + (vmesa->drawY * nFrontPitch + vmesa->drawX * bytePerPixel);
- nBackBase = vmesa->back.offset;
- /* 128 bit alignment*/
- nFrontBase = nFrontBase & 0xffffffe0;
-
- /*=* [DBG] make draw to front buffer *=*/
- if(DRAW_FRONT)
- return;
-
- for (i = 0; i < vmesa->sarea->nbox; i++) {
- /* Width, Height */
- nFrontWidth = nBackWidth = b->x2 - b->x1 - 1;
- nFrontHeight = nBackHeight = b->y2 - b->y1 - 1;
- /* Offset */
- nFrontOffsetX = (b->x1 - vmesa->drawX) + vmesa->drawXoff;
- nFrontOffsetY = b->y1 - vmesa->drawY;
-
- nBackOffsetX = nFrontOffsetX;
- nBackOffsetY = nFrontOffsetY;
- /* GEWD */
- SetReg2DAGP(0x10, nFrontWidth | (nFrontHeight << 16));
- /* GEDST */
- SetReg2DAGP(0x0C, nFrontOffsetX | (nFrontOffsetY << 16));
- /* GESRC */
- SetReg2DAGP(0x08, nBackOffsetX | (nBackOffsetY << 16));
- /* GEDSTBASE */
- SetReg2DAGP(0x34, (nFrontBase >> 3));
- /* GESCRBASE */
- SetReg2DAGP(0x30, (nBackBase >> 3));
- /* GEPITCH */
- SetReg2DAGP(0x38, (((nFrontPitch >> 3) << 16) & 0x7FF0000) | 0x80000000 |
- ((nBackPitch >> 3) & 0x7FF));
- /* BITBLT */
- SetReg2DAGP(0x0, 0x1 | 0xCC000000);
- b++;
- }
- viaFlushPrimsLocked(vmesa);
-#ifdef DEBUG
- if (VIA_DEBUG) fprintf(stderr, "Do Swap Buffer\n");
-#endif
-}
+void viaPageFlip(__DRIdrawablePrivate *dPriv)
+{
+ struct via_context *vmesa =
+ (struct via_context *)dPriv->driContextPriv->driverPrivate;
+ struct via_renderbuffer buffer_tmp;
+ __DRIscreenPrivate *psp = dPriv->driScreenPriv;
+
+ VIA_FLUSH_DMA(vmesa);
+ if (dPriv->vblFlags == VBLANK_FLAG_SYNC &&
+ vmesa->lastBreadcrumbWrite > 1)
+ viaWaitIdleVBlank(dPriv, vmesa, vmesa->lastBreadcrumbWrite - 1);
+ else
+ viaWaitIdleVBlank(dPriv, vmesa, vmesa->lastSwap[0]);
-void viaDoSwapBuffersSaam(viaContextPtr vmesa)
-{
- GLuint *vb = viaCheckDma(vmesa, vmesa->sarea->nbox*56);
- GLuint nFrontPitch;
- GLuint nBackPitch;
- GLuint nFrontWidth, nFrontHeight, nBackWidth, nBackHeight;
- GLuint nFrontBase, nBackBase;
- GLuint nFrontOffsetX, nFrontOffsetY, nBackOffsetX, nBackOffsetY;
- drm_clip_rect_t *b = vmesa->sarea->boxes;
- GLuint bytePerPixel = vmesa->viaScreen->bitsPerPixel >> 3;
- GLuint i;
-
- nFrontPitch = vmesa->front.pitch;
- nBackPitch = vmesa->back.pitch;
-
- /* Caculate Base */
- nFrontBase = vmesa->viaScreen->fbSize + (vmesa->drawYSaam * nFrontPitch + vmesa->drawXSaam * bytePerPixel);
- nBackBase = vmesa->back.offset;
- /* 128 bit alignment*/
- nFrontBase = nFrontBase & 0xffffffe0;
-
- /*=* [DBG] make draw to front buffer *=*/
- if(DRAW_FRONT)
- return;
-
- for (i = 0; i < vmesa->sarea->nbox; i++) {
- /* Width, Height */
- nFrontWidth = nBackWidth = b->x2 - b->x1 - 1;
- nFrontHeight = nBackHeight = b->y2 - b->y1 - 1;
- /* Offset */
- nFrontOffsetX = (b->x1 - vmesa->drawXSaam) + vmesa->drawXoff;
- nFrontOffsetY = b->y1 - vmesa->drawYSaam;
-
- nBackOffsetX = nFrontOffsetX;
- nBackOffsetY = nFrontOffsetY;
- /* GEWD */
- SetReg2DAGP(0x10, nFrontWidth | (nFrontHeight << 16));
- /* GEDST */
- SetReg2DAGP(0x0C, nFrontOffsetX | (nFrontOffsetY << 16));
- /* GESRC */
- SetReg2DAGP(0x08, nBackOffsetX | (nBackOffsetY << 16));
- /* GEDSTBASE */
- SetReg2DAGP(0x34, (nFrontBase >> 3));
- /* GESCRBASE */
- SetReg2DAGP(0x30, (nBackBase >> 3));
- /* GEPITCH */
- SetReg2DAGP(0x38, (((nFrontPitch >> 3) << 16) & 0x7FF0000) | 0x80000000 |
- ((nBackPitch >> 3) & 0x7FF));
- /* BITBLT */
- SetReg2DAGP(0x0, 0x1 | 0xCC000000);
- b++;
- }
+ LOCK_HARDWARE(vmesa);
+ viaDoPageFlipLocked(vmesa, vmesa->back.offset);
+ vmesa->lastSwap[1] = vmesa->lastSwap[0];
+ vmesa->lastSwap[0] = vmesa->lastBreadcrumbWrite;
+ viaEmitBreadcrumbLocked(vmesa);
+ UNLOCK_HARDWARE(vmesa);
- viaFlushPrimsLocked(vmesa);
-#ifdef DEBUG
- if (VIA_DEBUG) fprintf(stderr, "Do Swap Buffer\n");
-#endif
-}
+ (*psp->systemTime->getUST)( &vmesa->swap_ust );
-void viaDoSwapPBuffers(viaContextPtr vmesa)
-{
- GLuint *vb = viaCheckDma(vmesa, vmesa->sarea->nbox*56);
- GLuint nFrontPitch;
- GLuint nBackPitch;
- GLuint nFrontWidth, nFrontHeight;
- GLuint nFrontBase, nBackBase;
- GLuint nFrontOffsetX, nFrontOffsetY, nBackOffsetX, nBackOffsetY;
- GLuint bytePerPixel = vmesa->viaScreen->bitsPerPixel >> 3;
-
- nFrontPitch = vmesa->front.pitch;
- nBackPitch = vmesa->back.pitch;
-
- /* Caculate Base */
- nFrontBase = vmesa->front.offset;
- nBackBase = vmesa->back.offset;
-
- /* Width, Height */
- nFrontWidth = nFrontPitch / bytePerPixel;
- nFrontHeight = nBackPitch / bytePerPixel;
-
- /* Offset */
- nFrontOffsetX = 0;
- nFrontOffsetY = 0;
- nBackOffsetX = nFrontOffsetX;
- nBackOffsetY = nFrontOffsetY;
- /* GEWD */
- SetReg2DAGP(0x10, nFrontWidth | (nFrontHeight << 16));
- /* GEDST */
- SetReg2DAGP(0x0C, nFrontOffsetX | (nFrontOffsetY << 16));
- /* GESRC */
- SetReg2DAGP(0x08, nBackOffsetX | (nBackOffsetY << 16));
- /* GEDSTBASE */
- SetReg2DAGP(0x34, (nFrontBase >> 3));
- /* GESCRBASE */
- SetReg2DAGP(0x30, (nBackBase >> 3));
- /* GEPITCH */
- SetReg2DAGP(0x38, (((nFrontPitch >> 3) << 16) & 0x7FF0000) | 0x80000000 |
- ((nBackPitch >> 3) & 0x7FF));
- /* BITBLT */
- SetReg2DAGP(0x0, 0x1 | 0xCC000000);
-
- viaFlushPrimsLocked(vmesa);
-#ifdef DEBUG
- if (VIA_DEBUG) fprintf(stderr, "Do Swap PBuffer\n");
-#endif
+
+ /* KW: FIXME: When buffers are freed, could free frontbuffer by
+ * accident:
+ */
+ memcpy(&buffer_tmp, &vmesa->back, sizeof(struct via_renderbuffer));
+ memcpy(&vmesa->back, &vmesa->front, sizeof(struct via_renderbuffer));
+ memcpy(&vmesa->front, &buffer_tmp, sizeof(struct via_renderbuffer));
}
-void viaDoSwapBufferSoft(viaContextPtr vmesa)
-{
- GLuint nFrontPitch;
- GLuint nBackPitch;
- GLuint nFrontBase, nBackBase;
- GLuint i, j;
- GLubyte *by, *fy;
- GLuint w;
-
- w = vmesa->viaScreen->width;
- w = BUFFER_ALIGN_WIDTH(w, BUFFER_ALIGNMENT);
-
- if (vmesa->viaScreen->bitsPerPixel == 0x20)
- nFrontPitch = w << 2;
- else
- nFrontPitch = w << 1;
-
- nBackPitch = vmesa->back.pitch;
-
- /* Caculate Base */
- nFrontBase = (GLuint) vmesa->driScreen->pFB;
- nBackBase = ((GLuint) vmesa->back.offset) + ((GLuint) vmesa->driScreen->pFB);
- by = (GLubyte *) nBackBase;
- fy = (GLubyte *) nFrontBase;
-
- viaFlushPrimsLocked(vmesa);
-
- for (i = 0; i < vmesa->driDrawable->h; i++) {
- fy = (GLubyte *)(nFrontBase + i * nFrontPitch);
- for (j = 0; j < nBackPitch; j++) {
- *((GLubyte*)fy) = *((GLubyte*)by);
- fy = fy + 1;
- by = by + 1;
- }
-
- }
+
+
+#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;
}
-void viaDoSwapBufferSoftFront(viaContextPtr vmesa)
-{
- GLuint nFrontPitch;
- GLuint nBackPitch;
- GLuint nFrontBase, nBackBase;
- GLuint i, j;
- GLubyte *by, *fy;
- GLuint w;
-
- w = vmesa->viaScreen->width;
- w = BUFFER_ALIGN_WIDTH(w, BUFFER_ALIGNMENT);
-
- if (vmesa->viaScreen->bitsPerPixel == 0x20)
- nFrontPitch = w << 2;
- else
- nFrontPitch = w << 1;
-
- nBackPitch = vmesa->front.pitch;
-
- /* Caculate Base */
- nFrontBase = (GLuint) vmesa->driScreen->pFB;
- nBackBase = ((GLuint) vmesa->front.offset) + ((GLuint) vmesa->driScreen->pFB);
- by = (GLubyte *) nBackBase;
- fy = (GLubyte *) nFrontBase;
-
- viaFlushPrimsLocked(vmesa);
-
- for (i = 0; i < vmesa->driDrawable->h; i++) {
- fy = (GLubyte *)(nFrontBase + i * nFrontPitch);
- for (j = 0; j < nBackPitch; j++) {
- *((GLubyte*)fy) = *((GLubyte*)by);
- fy = fy + 1;
- by = by + 1;
- }
-
- }
+/* 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_renderbuffer *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->offset;
+
+ 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);
+ vb[7] = (HC_SubA_HDBFM << 24) | HC_HDBLoc_Local | format | pitch;
}
-int flush_agp(viaContextPtr vmesa, drm_via_flush_agp_t* agpCmd)
-{
- GLuint *pnAGPCurrentPhysStart;
- GLuint *pnAGPCurrentPhysEnd;
- GLuint *pnAGPCurrentStart;
- GLuint *pnAGPCurrentEnd;
- volatile GLuint *pnMMIOBase;
- volatile GLuint *pnEngBaseTranSet;
- volatile GLuint *pnEngBaseTranSpace;
- GLuint *agpBase;
- GLuint ofs = vmesa->dma[vmesa->dmaIndex].offset;
- GLuint *vb = (GLuint *)vmesa->dmaAddr;
- GLuint i = 0;
-
- pnMMIOBase = vmesa->regMMIOBase;
- pnEngBaseTranSet = vmesa->regTranSet;
- pnEngBaseTranSpace = vmesa->regTranSpace;
- *pnEngBaseTranSet = (0x0010 << 16);
- agpBase = vmesa->agpBase;
-
- if (!agpCmd->size) {
- return -1;
- }
- {
- volatile GLuint *pnEngBase = vmesa->regEngineStatus;
- int nStatus;
-
- while (1) {
- nStatus = *pnEngBase;
- if ((nStatus & 0xFFFEFFFF) == 0x00020000)
- break;
- i++;
- }
- }
- pnAGPCurrentStart = (GLuint *)(ofs + agpCmd->offset);
- pnAGPCurrentEnd = (GLuint *)((GLuint)pnAGPCurrentStart + vmesa->dmaHigh);
- pnAGPCurrentPhysStart = (GLuint *)( (GLuint)pnAGPCurrentStart + (GLuint)agpBase );
- pnAGPCurrentPhysEnd = (GLuint *)( (GLuint)pnAGPCurrentEnd + (GLuint)agpBase );
- /*=* [DBG] make draw to front buffer *=*/
- if(DRAW_FRONT)
- vmesa->glCtx->Color._DrawDestMask = FRONT_LEFT_BIT;
+static int intersect_rect(drm_clip_rect_t *out,
+ drm_clip_rect_t *a,
+ drm_clip_rect_t *b)
+{
+ *out = *a;
- if (vmesa->glCtx->Color._DrawDestMask & BACK_LEFT_BIT) {
-
- *vb++ = HC_HEADER2;
- *vb++ = (HC_ParaType_NotTex << 16);
- if (vmesa->driDrawable->w == 0 || vmesa->driDrawable->h == 0) {
- *vb++ = (HC_SubA_HClipTB << 24) | 0x0;
- *vb++ = (HC_SubA_HClipLR << 24) | 0x0;
- }
- else {
- *vb++ = ((HC_SubA_HClipTB << 24) | (0x0 << 12) | vmesa->driDrawable->h);
- *vb++ = ((HC_SubA_HClipLR << 24) | (vmesa->drawXoff << 12) | (vmesa->driDrawable->w + vmesa->drawXoff));
- }
-
- {
- GLuint pitch, format, offset;
-
- if (vmesa->viaScreen->bitsPerPixel == 0x20) {
- format = HC_HDBFM_ARGB8888;
- }
- else if (vmesa->viaScreen->bitsPerPixel == 0x10) {
- format = HC_HDBFM_RGB565;
- }
- else
- {
- return -1;
- }
-
- offset = vmesa->back.offset;
- pitch = vmesa->back.pitch;
-
- *vb++ = ((HC_SubA_HDBBasL << 24) | (offset & 0xFFFFFF));
- *vb++ = ((HC_SubA_HDBBasH << 24) | ((offset & 0xFF000000)) >> 24);
- *vb++ = ((HC_SubA_HDBFM << 24) | HC_HDBLoc_Local | format | pitch);
- *vb++ = 0xcccccccc;
- }
-
- *pnEngBaseTranSpace = (HC_SubA_HAGPBstL << 24) |
- ((GLuint)(pnAGPCurrentPhysStart) & 0xFFFFFF);
- *pnEngBaseTranSpace = (HC_SubA_HAGPBendL << 24) |
- ((GLuint)(pnAGPCurrentPhysEnd) & 0xFFFFFF);
- *pnEngBaseTranSpace = (HC_SubA_HAGPCMNT << 24) |
- ((GLuint)(pnAGPCurrentPhysEnd) & 0xFF000000) >> 16 |
- ((GLuint)(pnAGPCurrentPhysStart) & 0xFF000000) >> 24;
- *pnEngBaseTranSpace = (HC_SubA_HAGPBpH << 24) |
- ((GLuint)((GLbyte *)pnAGPCurrentPhysStart + agpCmd->size - 4) & 0xFF000000) >> 24;
- *pnEngBaseTranSpace = (HC_SubA_HAGPBpL << 24) |
- ((GLuint)((GLbyte *)pnAGPCurrentPhysStart + agpCmd->size - 4) & 0xFFFFFF) |
- HC_HAGPBpID_STOP;
- *pnEngBaseTranSpace = (HC_SubA_HAGPCMNT << 24) |
- ((GLuint)(pnAGPCurrentPhysEnd) & 0xFF000000) >> 16 |
- ((GLuint)(pnAGPCurrentPhysStart) & 0xFF000000) >> 24 |
- HC_HAGPCMNT_MASK;
- }
- else {
- GLuint *head;
- GLuint clipL, clipR, clipT, clipB;
- drm_clip_rect_t *b = vmesa->sarea->boxes;
- *vb++ = HC_HEADER2;
- *vb++ = (HC_ParaType_NotTex << 16);
- head = vb;
-
- *pnEngBaseTranSpace = (HC_SubA_HAGPBstL << 24) |
- ((GLuint)(pnAGPCurrentPhysStart) & 0xFFFFFF);
- *pnEngBaseTranSpace = (HC_SubA_HAGPBendL << 24) |
- ((GLuint)(pnAGPCurrentPhysEnd) & 0xFFFFFF);
- *pnEngBaseTranSpace = (HC_SubA_HAGPCMNT << 24) |
- ((GLuint)(pnAGPCurrentPhysEnd) & 0xFF000000) >> 16 |
- ((GLuint)(pnAGPCurrentPhysStart) & 0xFF000000) >> 24;
- *pnEngBaseTranSpace = (HC_SubA_HAGPBpH << 24) |
- ((GLuint)((GLbyte *)pnAGPCurrentPhysStart + agpCmd->size - 4) & 0xFF000000) >> 24;
- *pnEngBaseTranSpace = (HC_SubA_HAGPBpL << 24) |
- ((GLuint)((GLbyte *)pnAGPCurrentPhysStart + agpCmd->size - 4) & 0xFFFFFF) |
- HC_HAGPBpID_STOP;
-
- for (i = 0; i < vmesa->sarea->nbox; i++) {
- if (1) {
- volatile GLuint *pnEngBase = vmesa->regEngineStatus;
- int nStatus;
-
- while (1) {
- nStatus = *pnEngBase;
- if ((nStatus & 0xFFFEFFFF) == 0x00020000)
- break;
- }
- }
-
- clipL = b->x1 + vmesa->drawXoff;
- clipR = b->x2;
- clipT = b->y1;
- clipB = b->y2;
-#ifdef DEBUG
- if (VIA_DEBUG) fprintf(stderr, "clip = %d\n", i);
-#endif
- if (vmesa->driDrawable->w == 0 || vmesa->driDrawable->h == 0) {
-
- *vb = (HC_SubA_HClipTB << 24) | 0x0;
- vb++;
-
- *vb = (HC_SubA_HClipLR << 24) | 0x0;
- vb++;
- }
- else {
- *vb = (HC_SubA_HClipTB << 24) | (clipT << 12) | clipB;
- vb++;
-
- *vb = (HC_SubA_HClipLR << 24) | (clipL << 12) | clipR;
- vb++;
- }
+ 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);
- {
- GLuint pitch, format, offset;
- GLuint bytePerPixel = vmesa->viaScreen->bitsPerPixel >> 3;
-
- if (vmesa->viaScreen->bitsPerPixel == 0x20) {
- format = HC_HDBFM_ARGB8888;
- }
- else if (vmesa->viaScreen->bitsPerPixel == 0x10) {
- format = HC_HDBFM_RGB565;
- }
- else
- return -1;
-
- pitch = vmesa->front.pitch;
- offset = vmesa->viaScreen->fbOffset + (vmesa->drawY * pitch + vmesa->drawX * bytePerPixel);
- offset = offset & 0xffffffe0;
-
- *vb++ = ((HC_SubA_HDBBasL << 24) | (offset & 0xFFFFFF));
- *vb++ = ((HC_SubA_HDBBasH << 24) | ((offset & 0xFF000000)) >> 24);
- *vb++ = ((HC_SubA_HDBFM << 24) | HC_HDBLoc_Local | format | pitch);
- *vb++ = 0xcccccccc;
- }
- *pnEngBaseTranSpace = (HC_SubA_HAGPCMNT << 24) |
- ((GLuint)(pnAGPCurrentPhysEnd) & 0xFF000000) >> 16 |
- ((GLuint)(pnAGPCurrentPhysStart) & 0xFF000000) >> 24 |
- HC_HAGPCMNT_MASK;
-#ifdef DEBUG
- if (VIA_DEBUG) {
- GLuint i;
- GLuint *data = (GLuint *)vmesa->dmaAddr;
- for (i = 0; i < vmesa->dmaLow; i += 16) {
- fprintf(stderr, "%08x ", *data++);
- fprintf(stderr, "%08x ", *data++);
- fprintf(stderr, "%08x ", *data++);
- fprintf(stderr, "%08x\n", *data++);
- }
- fprintf(stderr, "******************************************\n");
- }
-#endif
- b++;
- vb = head;
- }
- }
+ 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;
-#ifdef DEBUG
- if (VIA_DEBUG && 0/*FIXME*/) {
- volatile GLuint *pnEngBase = (volatile GLuint *)((GLuint)pnMMIOBase + 0x400);
- int nStatus;
- int i = 0;
-
- while (1) {
- nStatus = *pnEngBase;
- if ((nStatus & 0xFFFEFFFF) == 0x00020000) {
- break;
- }
- else {
- GLuint j;
- GLuint *data;
- /* dump current command buffer */
- data = (GLuint *)vmesa->dmaAddr;
-
- if (i == 500000) {
- fprintf(stderr, "current command buffer");
- fprintf(stderr, "i = %d\n", i);
- for (j = 0; j < vmesa->dmaLow; j += 16) {
- fprintf(stderr, "%08x ", *data++);
- fprintf(stderr, "%08x ", *data++);
- fprintf(stderr, "%08x ", *data++);
- fprintf(stderr, "%08x\n", *data++);
- }
- }
- /* dump previous command buffer */
- if (vmesa->dmaIndex) {
- data = (GLuint *)vmesa->dma[0].map;
- }
- else {
- data = (GLuint *)vmesa->dma[1].map;
- }
- if (i == 500000) {
- fprintf(stderr, "previous command buffer");
- fprintf(stderr, "i = %d\n", i);
- for (j = 0; j < dmaLow; j += 16) {
- fprintf(stderr, "%08x ", *data++);
- fprintf(stderr, "%08x ", *data++);
- fprintf(stderr, "%08x ", *data++);
- fprintf(stderr, "%08x\n", *data++);
- }
- }
- }
- i++;
- }
- }
-#endif
- dmaLow = vmesa->dmaLow;
- 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;
}
-int flush_agp_saam(viaContextPtr vmesa, drm_via_flush_agp_t* agpCmd)
-{
- GLuint *pnAGPCurrentPhysStart;
- GLuint *pnAGPCurrentPhysEnd;
- GLuint *pnAGPCurrentStart;
- GLuint *pnAGPCurrentEnd;
- volatile GLuint *pnMMIOBase;
- volatile GLuint *pnEngBaseTranSet;
- volatile GLuint *pnEngBaseTranSpace;
- GLuint *agpBase;
- GLuint ofs = vmesa->dma[vmesa->dmaIndex].offset;
- GLuint *vb = (GLuint *)vmesa->dmaAddr;
- GLuint i = 0;
-
- pnMMIOBase = vmesa->regMMIOBase;
- pnEngBaseTranSet = vmesa->regTranSet;
- pnEngBaseTranSpace = vmesa->regTranSpace;
- *pnEngBaseTranSet = (0x0010 << 16);
- agpBase = vmesa->agpBase;
-
- if (!agpCmd->size) {
- 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;
+ __DRIdrawablePrivate *dPriv = vmesa->driDrawable;
+ struct via_renderbuffer *const vrb =
+ (struct via_renderbuffer *) dPriv->driverPrivate;
+
+ for (i = 0; i < vmesa->numClipRects; i++) {
+ drm_clip_rect_t b;
+
+ b.x1 = pbox[i].x1;
+ b.x2 = pbox[i].x2;
+ b.y1 = pbox[i].y1;
+ b.y2 = pbox[i].y2;
+
+ if (vmesa->scissor &&
+ !intersect_rect(&b, &b, &vmesa->scissorRect))
+ continue;
+
+ 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;
+}
- {
- volatile GLuint *pnEngBase = vmesa->regEngineStatus;
- int nStatus;
-
- while (1) {
- nStatus = *pnEngBase;
- if ((nStatus & 0xFFFEFFFF) == 0x00020000)
- break;
- i++;
- }
- }
+void viaWrapPrimitive( struct via_context *vmesa )
+{
+ GLenum renderPrimitive = vmesa->renderPrimitive;
+ GLenum hwPrimitive = vmesa->hwPrimitive;
- pnAGPCurrentStart = (GLuint *)(ofs + agpCmd->offset);
- pnAGPCurrentEnd = (GLuint *)((GLuint)pnAGPCurrentStart + vmesa->dmaHigh);
- pnAGPCurrentPhysStart = (GLuint *)( (GLuint)pnAGPCurrentStart + (GLuint)agpBase );
- pnAGPCurrentPhysEnd = (GLuint *)( (GLuint)pnAGPCurrentEnd + (GLuint)agpBase );
+ if (VIA_DEBUG & DEBUG_PRIMS) fprintf(stderr, "%s\n", __FUNCTION__);
+
+ if (vmesa->dmaLastPrim)
+ viaFinishPrimitive( vmesa );
+
+ viaFlushDma(vmesa);
- /*=* [DBG] make draw to front buffer *=*/
- if(DRAW_FRONT)
- vmesa->glCtx->Color._DrawDestMask = FRONT_LEFT_BIT;
-
- if (vmesa->glCtx->Color._DrawDestMask & BACK_LEFT_BIT) {
-
- *vb++ = HC_HEADER2;
- *vb++ = (HC_ParaType_NotTex << 16);
- if (vmesa->driDrawable->w == 0 || vmesa->driDrawable->h == 0) {
- *vb++ = (HC_SubA_HClipTB << 24) | 0x0;
- *vb++ = (HC_SubA_HClipLR << 24) | 0x0;
- }
- else {
- *vb++ = ((HC_SubA_HClipTB << 24) | (0x0 << 12) | vmesa->driDrawable->h);
- *vb++ = ((HC_SubA_HClipLR << 24) | (vmesa->drawXoff << 12) | (vmesa->driDrawable->w + vmesa->drawXoff));
- }
-
- {
- GLuint pitch, format, offset;
-
- if (vmesa->viaScreen->bitsPerPixel == 0x20) {
- format = HC_HDBFM_ARGB8888;
- }
- else if (vmesa->viaScreen->bitsPerPixel == 0x10) {
- format = HC_HDBFM_RGB565;
- }
- else
- return -1;
-
- offset = vmesa->back.offset;
- pitch = vmesa->back.pitch;
-
- *vb++ = ((HC_SubA_HDBBasL << 24) | (offset & 0xFFFFFF));
- *vb++ = ((HC_SubA_HDBBasH << 24) | ((offset & 0xFF000000)) >> 24);
- *vb++ = ((HC_SubA_HDBFM << 24) | HC_HDBLoc_Local | format | pitch);
- *vb++ = 0xcccccccc;
- }
-
- *pnEngBaseTranSpace = (HC_SubA_HAGPBstL << 24) |
- ((GLuint)(pnAGPCurrentPhysStart) & 0xFFFFFF);
- *pnEngBaseTranSpace = (HC_SubA_HAGPBendL << 24) |
- ((GLuint)(pnAGPCurrentPhysEnd) & 0xFFFFFF);
- *pnEngBaseTranSpace = (HC_SubA_HAGPCMNT << 24) |
- ((GLuint)(pnAGPCurrentPhysEnd) & 0xFF000000) >> 16 |
- ((GLuint)(pnAGPCurrentPhysStart) & 0xFF000000) >> 24;
- *pnEngBaseTranSpace = (HC_SubA_HAGPBpH << 24) |
- ((GLuint)((GLbyte *)pnAGPCurrentPhysStart + agpCmd->size - 4) & 0xFF000000) >> 24;
- *pnEngBaseTranSpace = (HC_SubA_HAGPBpL << 24) |
- ((GLuint)((GLbyte *)pnAGPCurrentPhysStart + agpCmd->size - 4) & 0xFFFFFF) |
- HC_HAGPBpID_STOP;
- *pnEngBaseTranSpace = (HC_SubA_HAGPCMNT << 24) |
- ((GLuint)(pnAGPCurrentPhysEnd) & 0xFF000000) >> 16 |
- ((GLuint)(pnAGPCurrentPhysStart) & 0xFF000000) >> 24 |
- HC_HAGPCMNT_MASK;
- }
- else {
- GLuint *head;
- GLuint clipL, clipR, clipT, clipB;
- drm_clip_rect_t *b = vmesa->sarea->boxes;
- *vb++ = HC_HEADER2;
- *vb++ = (HC_ParaType_NotTex << 16);
- head = vb;
-
- *pnEngBaseTranSpace = (HC_SubA_HAGPBstL << 24) |
- ((GLuint)(pnAGPCurrentPhysStart) & 0xFFFFFF);
- *pnEngBaseTranSpace = (HC_SubA_HAGPBendL << 24) |
- ((GLuint)(pnAGPCurrentPhysEnd) & 0xFFFFFF);
- *pnEngBaseTranSpace = (HC_SubA_HAGPCMNT << 24) |
- ((GLuint)(pnAGPCurrentPhysEnd) & 0xFF000000) >> 16 |
- ((GLuint)(pnAGPCurrentPhysStart) & 0xFF000000) >> 24;
- *pnEngBaseTranSpace = (HC_SubA_HAGPBpH << 24) |
- ((GLuint)((GLbyte *)pnAGPCurrentPhysStart + agpCmd->size - 4) & 0xFF000000) >> 24;
- *pnEngBaseTranSpace = (HC_SubA_HAGPBpL << 24) |
- ((GLuint)((GLbyte *)pnAGPCurrentPhysStart + agpCmd->size - 4) & 0xFFFFFF) |
- HC_HAGPBpID_STOP;
-
- for (i = 0; i < vmesa->sarea->nbox; i++) {
- if (1) {
- volatile GLuint *pnEngBase = vmesa->regEngineStatus;
- int nStatus;
-
- while (1) {
- nStatus = *pnEngBase;
- if ((nStatus & 0xFFFEFFFF) == 0x00020000)
- break;
- }
- }
-
- clipL = b->x1 + vmesa->drawXoff;
- clipR = b->x2;
- clipT = b->y1;
- clipB = b->y2;
-#ifdef DEBUG
- if (VIA_DEBUG) fprintf(stderr, "clip = %d\n", i);
-#endif
- if (vmesa->driDrawable->w == 0 || vmesa->driDrawable->h == 0) {
-
- *vb = (HC_SubA_HClipTB << 24) | 0x0;
- vb++;
-
- *vb = (HC_SubA_HClipLR << 24) | 0x0;
- vb++;
- }
- else {
- *vb = (HC_SubA_HClipTB << 24) | (clipT << 12) | clipB;
- vb++;
-
- *vb = (HC_SubA_HClipLR << 24) | (clipL << 12) | clipR;
- vb++;
- }
+ if (renderPrimitive != GL_POLYGON + 1)
+ viaRasterPrimitive( vmesa->glCtx,
+ renderPrimitive,
+ hwPrimitive );
- {
- GLuint pitch, format, offset;
- GLuint bytePerPixel = vmesa->viaScreen->bitsPerPixel >> 3;
-
- if (vmesa->viaScreen->bitsPerPixel == 0x20) {
- format = HC_HDBFM_ARGB8888;
- }
- else if (vmesa->viaScreen->bitsPerPixel == 0x10) {
- format = HC_HDBFM_RGB565;
- }
- else
- return -1;
-
- pitch = vmesa->front.pitch;
- offset = vmesa->viaScreen->fbOffset + (vmesa->drawY * pitch + vmesa->drawX * bytePerPixel);
- offset = offset & 0xffffffe0;
-
- *vb++ = ((HC_SubA_HDBBasL << 24) | (offset & 0xFFFFFF));
- *vb++ = ((HC_SubA_HDBBasH << 24) | ((offset & 0xFF000000)) >> 24);
- *vb++ = ((HC_SubA_HDBFM << 24) | HC_HDBLoc_Local | format | pitch);
- *vb++ = 0xcccccccc;
- }
- *pnEngBaseTranSpace = (HC_SubA_HAGPCMNT << 24) |
- ((GLuint)(pnAGPCurrentPhysEnd) & 0xFF000000) >> 16 |
- ((GLuint)(pnAGPCurrentPhysStart) & 0xFF000000) >> 24 |
- HC_HAGPCMNT_MASK;
-#ifdef DEBUG
- if (VIA_DEBUG) {
- GLuint i;
- GLuint *data = (GLuint *)vmesa->dmaAddr;
- for (i = 0; i < vmesa->dmaLow; i += 16) {
- fprintf(stderr, "%08x ", *data++);
- fprintf(stderr, "%08x ", *data++);
- fprintf(stderr, "%08x ", *data++);
- fprintf(stderr, "%08x\n", *data++);
- }
- fprintf(stderr, "******************************************\n");
- }
-#endif
- b++;
- vb = head;
- }
- }
-
-#ifdef DEBUG
- if (VIA_DEBUG) {
- volatile GLuint *pnEngBase = (GLuint *)((GLuint)pnMMIOBase + 0x400);
- int nStatus;
- int i = 0;
-
- while (1) {
- nStatus = *pnEngBase;
- if ((nStatus & 0xFFFEFFFF) == 0x00020000) {
- break;
- }
- else {
- GLuint j;
- GLuint *data;
- /* dump current command buffer */
- data = (GLuint *)vmesa->dmaAddr;
-
- if (i == 500000) {
- fprintf(stderr, "current command buffer");
- fprintf(stderr, "i = %d\n", i);
- for (j = 0; j < vmesa->dmaLow; j += 16) {
- fprintf(stderr, "%08x ", *data++);
- fprintf(stderr, "%08x ", *data++);
- fprintf(stderr, "%08x ", *data++);
- fprintf(stderr, "%08x\n", *data++);
- }
- }
- /* dump previous command buffer */
- if (vmesa->dmaIndex) {
- data = (GLuint *)vmesa->dma[0].map;
- }
- else {
- data = (GLuint *)vmesa->dma[1].map;
- }
- if (i == 500000) {
- fprintf(stderr, "previous command buffer");
- fprintf(stderr, "i = %d\n", i);
- for (j = 0; j < dmaLow; j += 16) {
- fprintf(stderr, "%08x ", *data++);
- fprintf(stderr, "%08x ", *data++);
- fprintf(stderr, "%08x ", *data++);
- fprintf(stderr, "%08x\n", *data++);
- }
- }
- }
- i++;
- }
- }
-#endif
- dmaLow = vmesa->dmaLow;
- return 0;
}
-int flush_sys(viaContextPtr vmesa, drm_via_flush_sys_t* buf)
+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)
{
- GLuint *pnBuf;
- GLuint *pnEnd;
- volatile GLuint *pnMMIOBase;
- volatile GLuint *pnEngBaseTranSet;
- volatile GLuint *pnEngBaseTranSpace;
- GLuint uCheck2DCmd = GL_TRUE;
- GLuint addr;
- GLuint *vb = (GLuint *)vmesa->dmaAddr;
- GLuint i = 0;
-
- pnMMIOBase = vmesa->regMMIOBase;
- pnEngBaseTranSet = vmesa->regTranSet;
- pnEngBaseTranSpace = vmesa->regTranSpace;
-
- pnBuf = (GLuint *)(buf->index + buf->offset);
- pnEnd = (GLuint *)((GLuint)pnBuf + buf->size);
-
- /*=* [DBG] make draw to front buffer *=*/
- if(DRAW_FRONT)
- vmesa->glCtx->Color._DrawDestMask = FRONT_LEFT_BIT;
-
- /*=* John Sheng [2003.6.20] fix pci *=*/
- {
- volatile GLuint *pnEngBase = vmesa->regEngineStatus;
- int nStatus;
-
- while (1) {
- nStatus = *pnEngBase;
- if ((nStatus & 0xFFFEFFFF) == 0x00020000)
- break;
- i++;
- }
- }
+ struct via_context *vmesa = VIA_CONTEXT(ctx);
+ VIA_FLUSH_DMA(vmesa);
+}
- if (vmesa->glCtx->Color._DrawDestMask & BACK_LEFT_BIT) {
- *vb++ = HC_HEADER2;
- *vb++ = (HC_ParaType_NotTex << 16);
-
- if (vmesa->driDrawable->w == 0 || vmesa->driDrawable->h == 0) {
- *vb++ = (HC_SubA_HClipTB << 24) | 0x0;
- *vb++ = (HC_SubA_HClipLR << 24) | 0x0;
- }
- else {
- *vb++ = ((HC_SubA_HClipTB << 24) | (0x0 << 12) | vmesa->driDrawable->h);
- *vb++ = ((HC_SubA_HClipLR << 24) | (vmesa->drawXoff << 12) | (vmesa->driDrawable->w + vmesa->drawXoff));
- }
-
- /*=* John Sheng [2003.6.16] fix pci path *=*/
- {
- GLuint pitch, format, offset;
-
- if (vmesa->viaScreen->bitsPerPixel == 0x20) {
- format = HC_HDBFM_ARGB8888;
- }
- else if (vmesa->viaScreen->bitsPerPixel == 0x10) {
- format = HC_HDBFM_RGB565;
- }
- else
- return -1;
-
- offset = vmesa->back.offset;
- pitch = vmesa->back.pitch;
-
- *vb++ = ((HC_SubA_HDBBasL << 24) | (offset & 0xFFFFFF));
- *vb++ = ((HC_SubA_HDBBasH << 24) | ((offset & 0xFF000000)) >> 24);
- *vb++ = ((HC_SubA_HDBFM << 24) | HC_HDBLoc_Local | format | pitch);
- *vb++ = 0xcccccccc;
- }
-
- while (pnBuf != pnEnd) {
- if (*pnBuf == HALCYON_HEADER2) {
- pnBuf++;
- if (*pnBuf == HALCYON_SUB_ADDR0) {
- *pnEngBaseTranSet = *pnBuf;
- pnBuf++;
- uCheck2DCmd = GL_FALSE;
- }
- else {
- *pnEngBaseTranSet = *pnBuf;
- pnBuf++;
- uCheck2DCmd = GL_TRUE;
- }
- }
- else if (uCheck2DCmd && ((*pnBuf&HALCYON_HEADER1MASK)==HALCYON_HEADER1)) {
- addr = ((*pnBuf)&0x0000001f) << 2;
- pnBuf++;
- *((GLuint*)((GLuint)pnMMIOBase+addr)) = *pnBuf;
- pnBuf++;
- }
- else if ((*pnBuf&HALCYON_FIREMASK) == HALCYON_FIRECMD) {
- *pnEngBaseTranSpace = *pnBuf;
- pnBuf++;
- if ((pnBuf!=pnEnd)&&((*pnBuf&HALCYON_FIREMASK)==HALCYON_FIRECMD))
- pnBuf++;
- if ((*pnBuf&HALCYON_CMDBMASK) != HC_ACMD_HCmdB)
- uCheck2DCmd = GL_TRUE;
- }
- else {
- *pnEngBaseTranSpace = *pnBuf;
- pnBuf++;
- }
- }
- }
- else {
- GLuint *head;
- GLuint clipL, clipR, clipT, clipB;
- drm_clip_rect_t *b = vmesa->sarea->boxes;
- GLuint *pnTmp;
-
- *vb++ = HC_HEADER2;
- *vb++ = (HC_ParaType_NotTex << 16);
-
- head = vb;
- pnTmp = pnBuf;
-
- for (i = 0; i < vmesa->sarea->nbox; i++) {
- clipL = b->x1 + vmesa->drawXoff;
- clipR = b->x2 + vmesa->drawXoff;
- clipT = b->y1;
- clipB = b->y2;
-
- if (vmesa->driDrawable->w == 0 || vmesa->driDrawable->h == 0) {
- *vb = (HC_SubA_HClipTB << 24) | 0x0;
- vb++;
- *vb = (HC_SubA_HClipLR << 24) | 0x0;
- vb++;
- }
- else {
- *vb = (HC_SubA_HClipTB << 24) | (clipT << 12) | clipB;
- vb++;
- *vb = (HC_SubA_HClipLR << 24) | (clipL << 12) | clipR;
- vb++;
- }
-
- /*=* John Sheng [2003.6.16] fix pci path *=*/
- {
- GLuint pitch, format, offset;
- GLuint bytePerPixel = vmesa->viaScreen->bitsPerPixel >> 3;
-
- if (vmesa->viaScreen->bitsPerPixel == 0x20) {
- format = HC_HDBFM_ARGB8888;
- }
- else if (vmesa->viaScreen->bitsPerPixel == 0x10) {
- format = HC_HDBFM_RGB565;
- }
- else
- return -1;
-
- pitch = vmesa->front.pitch;
- offset = vmesa->viaScreen->fbOffset + (vmesa->drawY * pitch + vmesa->drawX * bytePerPixel);
- offset = offset & 0xffffffe0;
-
- *vb++ = ((HC_SubA_HDBBasL << 24) | (offset & 0xFFFFFF));
- *vb++ = ((HC_SubA_HDBBasH << 24) | ((offset & 0xFF000000)) >> 24);
- *vb++ = ((HC_SubA_HDBFM << 24) | HC_HDBLoc_Local | format | pitch);
- *vb++ = 0xcccccccc;
- }
-
- pnBuf = pnTmp;
-
- while (pnBuf != pnEnd) {
- if (*pnBuf == HALCYON_HEADER2) {
- pnBuf++;
- if (*pnBuf == HALCYON_SUB_ADDR0) {
- *pnEngBaseTranSet = *pnBuf;
- pnBuf++;
- uCheck2DCmd = GL_FALSE;
- }
- else {
- *pnEngBaseTranSet = *pnBuf;
- pnBuf++;
- uCheck2DCmd = GL_TRUE;
- }
- }
- else if (uCheck2DCmd && ((*pnBuf&HALCYON_HEADER1MASK)==HALCYON_HEADER1)) {
- addr = ((*pnBuf)&0x0000001f) << 2;
- pnBuf++;
- *((GLuint*)((GLuint)pnMMIOBase+addr)) = *pnBuf;
- pnBuf++;
- }
- else if ((*pnBuf&HALCYON_FIREMASK) == HALCYON_FIRECMD) {
- *pnEngBaseTranSpace = *pnBuf;
- pnBuf++;
- if ((pnBuf!=pnEnd)&&((*pnBuf&HALCYON_FIREMASK)==HALCYON_FIRECMD))
- pnBuf++;
- if ((*pnBuf&HALCYON_CMDBMASK) != HC_ACMD_HCmdB)
- uCheck2DCmd = GL_TRUE;
- }
- else {
- *pnEngBaseTranSpace = *pnBuf;
- pnBuf++;
- }
- }
- b++;
- vb = head;
- }
- }
- return 0;
+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;
}
+
+
+