+++ /dev/null
-
-#include <unistd.h> /* for usleep() */
-
-#include "main/glheader.h"
-#include "main/mtypes.h"
-#include "main/macros.h"
-#include "main/dd.h"
-#include "swrast/swrast.h"
-#include "main/mm.h"
-
-#include "i810screen.h"
-#include "i810_dri.h"
-
-#include "main/context.h"
-#include "i810ioctl.h"
-#include "i810state.h"
-
-static drmBufPtr i810_get_buffer_ioctl( i810ContextPtr imesa )
-{
- drmI810DMA dma;
- drmBufPtr buf;
- int retcode, i = 0;
-
- while (1) {
- retcode = drmCommandWriteRead(imesa->driFd, DRM_I810_GETBUF,
- &dma, sizeof(drmI810DMA));
-
- if (dma.granted == 1 && retcode == 0)
- break;
-
- if (++i > 1000) {
- drmCommandNone(imesa->driFd, DRM_I810_FLUSH);
- i = 0;
- }
- }
-
- buf = &(imesa->i810Screen->bufs->list[dma.request_idx]);
- buf->idx = dma.request_idx;
- buf->used = 0;
- buf->total = dma.request_size;
- buf->address = (drmAddress)dma.virtual;
-
- return buf;
-}
-
-
-
-#define DEPTH_SCALE ((1<<16)-1)
-
-static void i810Clear( struct gl_context *ctx, GLbitfield mask )
-{
- i810ContextPtr imesa = I810_CONTEXT( ctx );
- __DRIdrawable *dPriv = imesa->driDrawable;
- const GLuint colorMask = *((GLuint *) &ctx->Color.ColorMask[0]);
- drmI810Clear clear;
- unsigned int i;
-
- clear.flags = 0;
- clear.clear_color = imesa->ClearColor;
- clear.clear_depth = (GLuint) (ctx->Depth.Clear * DEPTH_SCALE);
-
- I810_FIREVERTICES( imesa );
-
- if ((mask & BUFFER_BIT_FRONT_LEFT) && colorMask == ~0U) {
- clear.flags |= I810_FRONT;
- mask &= ~BUFFER_BIT_FRONT_LEFT;
- }
-
- if ((mask & BUFFER_BIT_BACK_LEFT) && colorMask == ~0U) {
- clear.flags |= I810_BACK;
- mask &= ~BUFFER_BIT_BACK_LEFT;
- }
-
- if (mask & BUFFER_BIT_DEPTH) {
- if (ctx->Depth.Mask)
- clear.flags |= I810_DEPTH;
- mask &= ~BUFFER_BIT_DEPTH;
- }
-
- if (clear.flags) {
- GLint cx, cy, cw, ch;
-
- LOCK_HARDWARE( imesa );
-
- /* compute region after locking: */
- cx = ctx->DrawBuffer->_Xmin;
- cy = ctx->DrawBuffer->_Ymin;
- cw = ctx->DrawBuffer->_Xmax - cx;
- ch = ctx->DrawBuffer->_Ymax - cy;
-
- /* flip top to bottom */
- cy = dPriv->h-cy-ch;
- cx += imesa->drawX;
- cy += imesa->drawY;
-
- for (i = 0 ; i < imesa->numClipRects ; )
- {
- unsigned int nr = MIN2(i + I810_NR_SAREA_CLIPRECTS, imesa->numClipRects);
- drm_clip_rect_t *box = imesa->pClipRects;
- drm_clip_rect_t *b = (drm_clip_rect_t *)imesa->sarea->boxes;
- int n = 0;
-
- if (cw != dPriv->w || ch != dPriv->h) {
- /* clear sub region */
- 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 {
- /* clear whole buffer */
- for ( ; i < nr ; i++) {
- *b++ = box[i];
- n++;
- }
- }
-
- imesa->sarea->nbox = n;
- drmCommandWrite(imesa->driFd, DRM_I810_CLEAR,
- &clear, sizeof(drmI810Clear));
- }
-
- UNLOCK_HARDWARE( imesa );
- imesa->upload_cliprects = GL_TRUE;
- }
-
- if (mask)
- _swrast_Clear( ctx, mask );
-}
-
-
-
-
-/*
- * Copy the back buffer to the front buffer.
- */
-void i810CopyBuffer( const __DRIdrawable *dPriv )
-{
- i810ContextPtr imesa;
- drm_clip_rect_t *pbox;
- int nbox, i, tmp;
-
- assert(dPriv);
- assert(dPriv->driContextPriv);
- assert(dPriv->driContextPriv->driverPrivate);
-
- imesa = (i810ContextPtr) dPriv->driContextPriv->driverPrivate;
-
- I810_FIREVERTICES( imesa );
- LOCK_HARDWARE( imesa );
-
- pbox = (drm_clip_rect_t *)dPriv->pClipRects;
- nbox = dPriv->numClipRects;
-
- for (i = 0 ; i < nbox ; )
- {
- int nr = MIN2(i + I810_NR_SAREA_CLIPRECTS, dPriv->numClipRects);
- drm_clip_rect_t *b = (drm_clip_rect_t *)imesa->sarea->boxes;
-
- imesa->sarea->nbox = nr - i;
-
- for ( ; i < nr ; i++)
- *b++ = pbox[i];
-
- drmCommandNone(imesa->driFd, DRM_I810_SWAP);
- }
-
- tmp = GET_ENQUEUE_AGE(imesa);
- UNLOCK_HARDWARE( imesa );
-
- /* multiarb will suck the life out of the server without this throttle:
- */
- if (GET_DISPATCH_AGE(imesa) < imesa->lastSwap) {
- i810WaitAge(imesa, imesa->lastSwap);
- }
-
- imesa->lastSwap = tmp;
- imesa->upload_cliprects = GL_TRUE;
-}
-
-
-/*
- * XXX implement when full-screen extension is done.
- */
-void i810PageFlip( const __DRIdrawable *dPriv )
-{
- i810ContextPtr imesa;
- int tmp, ret;
-
- assert(dPriv);
- assert(dPriv->driContextPriv);
- assert(dPriv->driContextPriv->driverPrivate);
-
- imesa = (i810ContextPtr) dPriv->driContextPriv->driverPrivate;
-
- I810_FIREVERTICES( imesa );
- LOCK_HARDWARE( imesa );
-
- if (dPriv->pClipRects) {
- memcpy(&(imesa->sarea->boxes[0]), &(dPriv->pClipRects[0]),
- sizeof(drm_clip_rect_t));
- imesa->sarea->nbox = 1;
- }
- ret = drmCommandNone(imesa->driFd, DRM_I810_FLIP);
- if (ret) {
- fprintf(stderr, "%s: %d\n", __FUNCTION__, ret);
- UNLOCK_HARDWARE( imesa );
- exit(1);
- }
-
- tmp = GET_ENQUEUE_AGE(imesa);
- UNLOCK_HARDWARE( imesa );
-
- /* multiarb will suck the life out of the server without this throttle:
- */
- if (GET_DISPATCH_AGE(imesa) < imesa->lastSwap) {
- i810WaitAge(imesa, imesa->lastSwap);
- }
-
- /* i810SetDrawBuffer( imesa->glCtx, imesa->glCtx->Color.DriverDrawBuffer );*/
- i810DrawBuffer( imesa->glCtx, imesa->glCtx->Color.DrawBuffer[0] );
- imesa->upload_cliprects = GL_TRUE;
- imesa->lastSwap = tmp;
- return;
-}
-
-
-/* This waits for *everybody* to finish rendering -- overkill.
- */
-void i810DmaFinish( i810ContextPtr imesa )
-{
- I810_FIREVERTICES( imesa );
-
- LOCK_HARDWARE( imesa );
- i810RegetLockQuiescent( imesa );
- UNLOCK_HARDWARE( imesa );
-}
-
-
-void i810RegetLockQuiescent( i810ContextPtr imesa )
-{
- drmUnlock(imesa->driFd, imesa->hHWContext);
- i810GetLock( imesa, DRM_LOCK_QUIESCENT );
-}
-
-void i810WaitAgeLocked( i810ContextPtr imesa, int age )
-{
- int i = 0, j;
-
- while (++i < 5000) {
- drmCommandNone(imesa->driFd, DRM_I810_GETAGE);
- if (GET_DISPATCH_AGE(imesa) >= age)
- return;
- for (j = 0 ; j < 1000 ; j++)
- ;
- }
-
- drmCommandNone(imesa->driFd, DRM_I810_FLUSH);
-}
-
-
-void i810WaitAge( i810ContextPtr imesa, int age )
-{
- int i = 0, j;
-
- while (++i < 5000) {
- drmCommandNone(imesa->driFd, DRM_I810_GETAGE);
- if (GET_DISPATCH_AGE(imesa) >= age)
- return;
- for (j = 0 ; j < 1000 ; j++)
- ;
- }
-
- i = 0;
- while (++i < 1000) {
- drmCommandNone(imesa->driFd, DRM_I810_GETAGE);
- if (GET_DISPATCH_AGE(imesa) >= age)
- return;
- usleep(1000);
- }
-
- LOCK_HARDWARE(imesa);
- drmCommandNone(imesa->driFd, DRM_I810_FLUSH);
- UNLOCK_HARDWARE(imesa);
-}
-
-
-
-
-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 emit_state( i810ContextPtr imesa )
-{
- GLuint dirty = imesa->dirty;
- I810SAREAPtr sarea = imesa->sarea;
-
- if (dirty & I810_UPLOAD_BUFFERS) {
- memcpy( sarea->BufferState, imesa->BufferSetup,
- sizeof(imesa->BufferSetup) );
- }
-
- if (dirty & I810_UPLOAD_CTX) {
- memcpy( sarea->ContextState, imesa->Setup,
- sizeof(imesa->Setup) );
- }
-
- if (dirty & I810_UPLOAD_TEX0) {
- memcpy(sarea->TexState[0],
- imesa->CurrentTexObj[0]->Setup,
- sizeof(imesa->CurrentTexObj[0]->Setup));
- }
-
- if (dirty & I810_UPLOAD_TEX1) {
- GLuint *setup = sarea->TexState[1];
-
- memcpy( setup,
- imesa->CurrentTexObj[1]->Setup,
- sizeof(imesa->CurrentTexObj[1]->Setup));
-
- /* Need this for the case where both units are bound to the same
- * texobj.
- */
- setup[I810_TEXREG_MI1] ^= (MI1_MAP_0 ^ MI1_MAP_1);
- setup[I810_TEXREG_MLC] ^= (MLC_MAP_0 ^ MLC_MAP_1);
- setup[I810_TEXREG_MLL] ^= (MLL_MAP_0 ^ MLL_MAP_1);
- setup[I810_TEXREG_MCS] ^= (MCS_COORD_0 ^ MCS_COORD_1);
- setup[I810_TEXREG_MF] ^= (MF_MAP_0 ^ MF_MAP_1);
- }
-
- sarea->dirty = dirty;
- imesa->dirty = 0;
-}
-
-
-static void age_imesa( i810ContextPtr imesa, int age )
-{
- if (imesa->CurrentTexObj[0]) imesa->CurrentTexObj[0]->base.timestamp = age;
- if (imesa->CurrentTexObj[1]) imesa->CurrentTexObj[1]->base.timestamp = age;
-}
-
-
-void i810FlushPrimsLocked( i810ContextPtr imesa )
-{
- drm_clip_rect_t *pbox = imesa->pClipRects;
- int nbox = imesa->numClipRects;
- drmBufPtr buffer = imesa->vertex_buffer;
- I810SAREAPtr sarea = imesa->sarea;
- drmI810Vertex vertex;
- int i;
-
- if (I810_DEBUG & DEBUG_STATE)
- i810PrintDirty( __FUNCTION__, imesa->dirty );
-
- if (imesa->dirty)
- emit_state( imesa );
-
- vertex.idx = buffer->idx;
- vertex.used = imesa->vertex_low;
- vertex.discard = 0;
- sarea->vertex_prim = imesa->hw_primitive;
-
- if (!nbox) {
- vertex.used = 0;
- }
- else if (nbox > I810_NR_SAREA_CLIPRECTS) {
- imesa->upload_cliprects = GL_TRUE;
- }
-
- if (!nbox || !imesa->upload_cliprects)
- {
- if (nbox == 1)
- sarea->nbox = 0;
- else
- sarea->nbox = nbox;
-
- vertex.discard = 1;
- drmCommandWrite(imesa->driFd, DRM_I810_VERTEX,
- &vertex, sizeof(drmI810Vertex));
- age_imesa(imesa, sarea->last_enqueue);
- }
- else
- {
- for (i = 0 ; i < nbox ; )
- {
- int nr = MIN2(i + I810_NR_SAREA_CLIPRECTS, nbox);
- drm_clip_rect_t *b = (drm_clip_rect_t *)sarea->boxes;
-
- if (imesa->scissor) {
- sarea->nbox = 0;
-
- for ( ; i < nr ; i++) {
- b->x1 = pbox[i].x1 - imesa->drawX;
- b->y1 = pbox[i].y1 - imesa->drawY;
- b->x2 = pbox[i].x2 - imesa->drawX;
- b->y2 = pbox[i].y2 - imesa->drawY;
-
- if (intersect_rect(b, b, &imesa->scissor_rect)) {
- sarea->nbox++;
- b++;
- }
- }
-
- /* Culled?
- */
- if (!sarea->nbox) {
- if (nr < nbox) continue;
- vertex.used = 0;
- }
- } else {
- sarea->nbox = nr - i;
- for ( ; i < nr ; i++, b++) {
- b->x1 = pbox[i].x1 - imesa->drawX;
- b->y1 = pbox[i].y1 - imesa->drawY;
- b->x2 = pbox[i].x2 - imesa->drawX;
- b->y2 = pbox[i].y2 - imesa->drawY;
- }
- }
-
- /* Finished with the buffer?
- */
- if (nr == nbox)
- vertex.discard = 1;
-
- drmCommandWrite(imesa->driFd, DRM_I810_VERTEX,
- &vertex, sizeof(drmI810Vertex));
- age_imesa(imesa, imesa->sarea->last_enqueue);
- }
- }
-
- /* Reset imesa vars:
- */
- imesa->vertex_buffer = 0;
- imesa->vertex_addr = 0;
- imesa->vertex_low = 0;
- imesa->vertex_high = 0;
- imesa->vertex_last_prim = 0;
- imesa->dirty = 0;
- imesa->upload_cliprects = GL_FALSE;
-}
-
-void i810FlushPrimsGetBuffer( i810ContextPtr imesa )
-{
- LOCK_HARDWARE(imesa);
-
- if (imesa->vertex_buffer)
- i810FlushPrimsLocked( imesa );
-
- imesa->vertex_buffer = i810_get_buffer_ioctl( imesa );
- imesa->vertex_high = imesa->vertex_buffer->total;
- imesa->vertex_addr = (char *)imesa->vertex_buffer->address;
- imesa->vertex_low = 4; /* leave room for instruction header */
- imesa->vertex_last_prim = imesa->vertex_low;
- UNLOCK_HARDWARE(imesa);
-}
-
-
-void i810FlushPrims( i810ContextPtr imesa )
-{
- if (imesa->vertex_buffer) {
- LOCK_HARDWARE( imesa );
- i810FlushPrimsLocked( imesa );
- UNLOCK_HARDWARE( imesa );
- }
-}
-
-
-
-int i810_check_copy(int fd)
-{
- return(drmCommandNone(fd, DRM_I810_DOCOPY));
-}
-
-static void i810Flush( struct gl_context *ctx )
-{
- i810ContextPtr imesa = I810_CONTEXT( ctx );
- I810_FIREVERTICES( imesa );
-}
-
-static void i810Finish( struct gl_context *ctx )
-{
- i810ContextPtr imesa = I810_CONTEXT( ctx );
- i810DmaFinish( imesa );
-}
-
-void i810InitIoctlFuncs( struct dd_function_table *functions )
-{
- functions->Flush = i810Flush;
- functions->Clear = i810Clear;
- functions->Finish = i810Finish;
-}
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