diff options
Diffstat (limited to 'src/mesa/drivers/dri/i810/i810ioctl.c')
| -rw-r--r-- | src/mesa/drivers/dri/i810/i810ioctl.c | 519 |
1 files changed, 0 insertions, 519 deletions
diff --git a/src/mesa/drivers/dri/i810/i810ioctl.c b/src/mesa/drivers/dri/i810/i810ioctl.c deleted file mode 100644 index 4b004d54c65..00000000000 --- a/src/mesa/drivers/dri/i810/i810ioctl.c +++ /dev/null @@ -1,519 +0,0 @@ - -#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; -} |