diff options
Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/drivers/dri/i830/i830_ioctl.c')
| -rw-r--r-- | nx-X11/extras/Mesa/src/mesa/drivers/dri/i830/i830_ioctl.c | 841 |
1 files changed, 0 insertions, 841 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/dri/i830/i830_ioctl.c b/nx-X11/extras/Mesa/src/mesa/drivers/dri/i830/i830_ioctl.c deleted file mode 100644 index cd0c143df..000000000 --- a/nx-X11/extras/Mesa/src/mesa/drivers/dri/i830/i830_ioctl.c +++ /dev/null @@ -1,841 +0,0 @@ - -/************************************************************************** - -Copyright 2001 VA Linux Systems Inc., Fremont, California. - -All Rights Reserved. - -Permission is hereby granted, free of charge, to any person obtaining a -copy of this software and associated documentation files (the "Software"), -to deal in the Software without restriction, including without limitation -on the rights to use, copy, modify, merge, publish, distribute, sub -license, and/or sell copies of the Software, and to permit persons to whom -the Software is furnished to do so, subject to the following conditions: - -The above copyright notice and this permission notice (including the next -paragraph) shall be included in all copies or substantial portions of the -Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL -ATI, VA LINUX SYSTEMS AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, -DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR -OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE -USE OR OTHER DEALINGS IN THE SOFTWARE. - -**************************************************************************/ - -/* $XFree86: xc/lib/GL/mesa/src/drv/i830/i830_ioctl.c,v 1.5 2002/12/10 01:26:53 dawes Exp $ */ - -/* - * Author: - * Jeff Hartmann <jhartmann@2d3d.com> - * Graeme Fisher <graeme@2d3d.co.za> - * Abraham vd Merwe <abraham@2d3d.co.za> - * - * Heavily based on the I810 driver, which was written by: - * Keith Whitwell <keith@tungstengraphics.com> - */ - -#include <stdio.h> -#include <unistd.h> -#include <errno.h> - -#include "glheader.h" -#include "mtypes.h" -#include "macros.h" -#include "dd.h" -#include "swrast/swrast.h" - -#include "mm.h" - -#include "i830_screen.h" -#include "i830_dri.h" - -#include "i830_context.h" -#include "i830_ioctl.h" -#include "i830_state.h" -#include "i830_debug.h" - -#include "drm.h" - -static drmBufPtr i830_get_buffer_ioctl( i830ContextPtr imesa ) -{ - drmI830DMA dma; - drmBufPtr buf; - int retcode,i = 0; - while (1) { - retcode = drmCommandWriteRead(imesa->driFd, - DRM_I830_GETBUF, - &dma, - sizeof(drmI830DMA)); - if (dma.granted == 1 && retcode == 0) - break; - - if (++i > 1000) { - imesa->sarea->perf_boxes |= I830_BOX_WAIT; - retcode = drmCommandNone(imesa->driFd, DRM_I830_FLUSH); - i = 0; - } - } - - buf = &(imesa->i830Screen->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; -} - -static void i830ClearDrawQuad(i830ContextPtr imesa, float left, - float right, - float bottom, float top, GLubyte red, - GLubyte green, GLubyte blue, GLubyte alpha) -{ - GLuint *vb = i830AllocDmaLowLocked( imesa, 128 ); - i830Vertex tmp; - int i; - - /* PRIM3D_TRIFAN */ - - /* initial vertex, left bottom */ - tmp.v.x = left; - tmp.v.y = bottom; - tmp.v.z = 1.0; - tmp.v.w = 1.0; - tmp.v.color.red = red; - tmp.v.color.green = green; - tmp.v.color.blue = blue; - tmp.v.color.alpha = alpha; - tmp.v.specular.red = 0; - tmp.v.specular.green = 0; - tmp.v.specular.blue = 0; - tmp.v.specular.alpha = 0; - tmp.v.u0 = 0.0f; - tmp.v.v0 = 0.0f; - for (i = 0 ; i < 8 ; i++) - vb[i] = tmp.ui[i]; - - /* right bottom */ - vb += 8; - tmp.v.x = right; - for (i = 0 ; i < 8 ; i++) - vb[i] = tmp.ui[i]; - - /* right top */ - vb += 8; - tmp.v.y = top; - for (i = 0 ; i < 8 ; i++) - vb[i] = tmp.ui[i]; - - /* left top */ - vb += 8; - tmp.v.x = left; - for (i = 0 ; i < 8 ; i++) - vb[i] = tmp.ui[i]; -} - -static void i830ClearWithTris(GLcontext *ctx, GLbitfield mask, - GLboolean all, - GLint cx, GLint cy, GLint cw, GLint ch) -{ - i830ContextPtr imesa = I830_CONTEXT( ctx ); - __DRIdrawablePrivate *dPriv = imesa->driDrawable; - i830ScreenPrivate *i830Screen = imesa->i830Screen; - I830SAREAPtr sarea = imesa->sarea; - GLuint old_vertex_prim; - GLuint old_dirty; - int x0, y0, x1, y1; - - if (I830_DEBUG & DEBUG_IOCTL) - fprintf(stderr, "Clearing with triangles\n"); - - old_dirty = imesa->dirty & ~I830_UPLOAD_CLIPRECTS; - /* Discard all the dirty flags except the cliprect one, reset later */ - imesa->dirty &= I830_UPLOAD_CLIPRECTS; - - if(!all) { - x0 = cx; - y0 = cy; - x1 = x0 + cw; - y1 = y0 + ch; - } else { - x0 = 0; - y0 = 0; - x1 = x0 + dPriv->w; - y1 = y0 + dPriv->h; - } - - /* Clip to Screen */ - if (x0 < 0) x0 = 0; - if (y0 < 0) y0 = 0; - if (x1 > i830Screen->width-1) x1 = i830Screen->width-1; - if (y1 > i830Screen->height-1) y1 = i830Screen->height-1; - - LOCK_HARDWARE(imesa); - memcpy(sarea->ContextState, - imesa->Init_Setup, - sizeof(imesa->Setup) ); - memcpy(sarea->BufferState, - imesa->BufferSetup, - sizeof(imesa->BufferSetup) ); - sarea->StippleState[I830_STPREG_ST1] = 0; - - old_vertex_prim = imesa->hw_primitive; - imesa->hw_primitive = PRIM3D_TRIFAN; - - if(mask & BUFFER_BIT_FRONT_LEFT) { - GLuint tmp = sarea->ContextState[I830_CTXREG_ENABLES_2]; - - sarea->dirty |= (I830_UPLOAD_CTX | I830_UPLOAD_BUFFERS | - I830_UPLOAD_TEXBLEND0); - - sarea->TexBlendState[0][0] = (STATE3D_MAP_BLEND_OP_CMD(0) | - TEXPIPE_COLOR | - ENABLE_TEXOUTPUT_WRT_SEL | - TEXOP_OUTPUT_CURRENT | - DISABLE_TEX_CNTRL_STAGE | - TEXOP_SCALE_1X | - TEXOP_MODIFY_PARMS | - TEXOP_LAST_STAGE | - TEXBLENDOP_ARG1); - sarea->TexBlendState[0][1] = (STATE3D_MAP_BLEND_OP_CMD(0) | - TEXPIPE_ALPHA | - ENABLE_TEXOUTPUT_WRT_SEL | - TEXOP_OUTPUT_CURRENT | - TEXOP_SCALE_1X | - TEXOP_MODIFY_PARMS | - TEXBLENDOP_ARG1); - sarea->TexBlendState[0][2] = (STATE3D_MAP_BLEND_ARG_CMD(0) | - TEXPIPE_COLOR | - TEXBLEND_ARG1 | - TEXBLENDARG_MODIFY_PARMS | - TEXBLENDARG_CURRENT); - sarea->TexBlendState[0][3] = (STATE3D_MAP_BLEND_ARG_CMD(0) | - TEXPIPE_ALPHA | - TEXBLEND_ARG1 | - TEXBLENDARG_MODIFY_PARMS | - TEXBLENDARG_CURRENT); - sarea->TexBlendStateWordsUsed[0] = 4; - - tmp &= ~(ENABLE_STENCIL_WRITE | ENABLE_DEPTH_WRITE); - tmp |= (DISABLE_STENCIL_WRITE | - DISABLE_DEPTH_WRITE | - (imesa->mask_red << WRITEMASK_RED_SHIFT) | - (imesa->mask_green << WRITEMASK_GREEN_SHIFT) | - (imesa->mask_blue << WRITEMASK_BLUE_SHIFT) | - (imesa->mask_alpha << WRITEMASK_ALPHA_SHIFT)); - sarea->ContextState[I830_CTXREG_ENABLES_2] = tmp; - - if(0) - fprintf(stderr, "fcdq : r_mask(%d) g_mask(%d) b_mask(%d) a_mask(%d)\n", - imesa->mask_red, imesa->mask_green, imesa->mask_blue, - imesa->mask_alpha); - - sarea->BufferState[I830_DESTREG_CBUFADDR] = i830Screen->fbOffset; - - if(0) - fprintf(stderr, "fcdq : x0(%d) x1(%d) y0(%d) y1(%d)\n" - "r(0x%x) g(0x%x) b(0x%x) a(0x%x)\n", - x0, x1, y0, y1, imesa->clear_red, imesa->clear_green, - imesa->clear_blue, imesa->clear_alpha); - - i830ClearDrawQuad(imesa, (float)x0, (float)x1, (float)y0, (float)y1, - imesa->clear_red, imesa->clear_green, - imesa->clear_blue, imesa->clear_alpha); - i830FlushPrimsLocked( imesa ); - } - - if(mask & BUFFER_BIT_BACK_LEFT) { - GLuint tmp = sarea->ContextState[I830_CTXREG_ENABLES_2]; - - sarea->dirty |= (I830_UPLOAD_CTX | I830_UPLOAD_BUFFERS | - I830_UPLOAD_TEXBLEND0); - - sarea->TexBlendState[0][0] = (STATE3D_MAP_BLEND_OP_CMD(0) | - TEXPIPE_COLOR | - ENABLE_TEXOUTPUT_WRT_SEL | - TEXOP_OUTPUT_CURRENT | - DISABLE_TEX_CNTRL_STAGE | - TEXOP_SCALE_1X | - TEXOP_MODIFY_PARMS | - TEXOP_LAST_STAGE | - TEXBLENDOP_ARG1); - sarea->TexBlendState[0][1] = (STATE3D_MAP_BLEND_OP_CMD(0) | - TEXPIPE_ALPHA | - ENABLE_TEXOUTPUT_WRT_SEL | - TEXOP_OUTPUT_CURRENT | - TEXOP_SCALE_1X | - TEXOP_MODIFY_PARMS | - TEXBLENDOP_ARG1); - sarea->TexBlendState[0][2] = (STATE3D_MAP_BLEND_ARG_CMD(0) | - TEXPIPE_COLOR | - TEXBLEND_ARG1 | - TEXBLENDARG_MODIFY_PARMS | - TEXBLENDARG_CURRENT); - sarea->TexBlendState[0][3] = (STATE3D_MAP_BLEND_ARG_CMD(0) | - TEXPIPE_ALPHA | - TEXBLEND_ARG2 | - TEXBLENDARG_MODIFY_PARMS | - TEXBLENDARG_CURRENT); - sarea->TexBlendStateWordsUsed[0] = 4; - - tmp &= ~(ENABLE_STENCIL_WRITE | ENABLE_DEPTH_WRITE); - tmp |= (DISABLE_STENCIL_WRITE | - DISABLE_DEPTH_WRITE | - (imesa->mask_red << WRITEMASK_RED_SHIFT) | - (imesa->mask_green << WRITEMASK_GREEN_SHIFT) | - (imesa->mask_blue << WRITEMASK_BLUE_SHIFT) | - (imesa->mask_alpha << WRITEMASK_ALPHA_SHIFT)); - - if(0) - fprintf(stderr, "bcdq : r_mask(%d) g_mask(%d) b_mask(%d) a_mask(%d)\n", - imesa->mask_red, imesa->mask_green, imesa->mask_blue, - imesa->mask_alpha); - - sarea->ContextState[I830_CTXREG_ENABLES_2] = tmp; - - sarea->BufferState[I830_DESTREG_CBUFADDR] = i830Screen->backOffset; - - if(0) - fprintf(stderr, "bcdq : x0(%d) x1(%d) y0(%d) y1(%d)\n" - "r(0x%x) g(0x%x) b(0x%x) a(0x%x)\n", - x0, x1, y0, y1, imesa->clear_red, imesa->clear_green, - imesa->clear_blue, imesa->clear_alpha); - - i830ClearDrawQuad(imesa, (float)x0, (float)x1, (float)y0, (float)y1, - imesa->clear_red, imesa->clear_green, - imesa->clear_blue, imesa->clear_alpha); - i830FlushPrimsLocked( imesa ); - } - - if(mask & BUFFER_BIT_STENCIL) { - GLuint s_mask = ctx->Stencil.WriteMask[0]; - - sarea->dirty |= (I830_UPLOAD_CTX | I830_UPLOAD_BUFFERS | - I830_UPLOAD_TEXBLEND0); - - sarea->TexBlendState[0][0] = (STATE3D_MAP_BLEND_OP_CMD(0) | - TEXPIPE_COLOR | - ENABLE_TEXOUTPUT_WRT_SEL | - TEXOP_OUTPUT_CURRENT | - DISABLE_TEX_CNTRL_STAGE | - TEXOP_SCALE_1X | - TEXOP_MODIFY_PARMS | - TEXOP_LAST_STAGE | - TEXBLENDOP_ARG1); - sarea->TexBlendState[0][1] = (STATE3D_MAP_BLEND_OP_CMD(0) | - TEXPIPE_ALPHA | - ENABLE_TEXOUTPUT_WRT_SEL | - TEXOP_OUTPUT_CURRENT | - TEXOP_SCALE_1X | - TEXOP_MODIFY_PARMS | - TEXBLENDOP_ARG1); - sarea->TexBlendState[0][2] = (STATE3D_MAP_BLEND_ARG_CMD(0) | - TEXPIPE_COLOR | - TEXBLEND_ARG1 | - TEXBLENDARG_MODIFY_PARMS | - TEXBLENDARG_CURRENT); - sarea->TexBlendState[0][3] = (STATE3D_MAP_BLEND_ARG_CMD(0) | - TEXPIPE_ALPHA | - TEXBLEND_ARG2 | - TEXBLENDARG_MODIFY_PARMS | - TEXBLENDARG_CURRENT); - sarea->TexBlendStateWordsUsed[0] = 4; - - sarea->ContextState[I830_CTXREG_ENABLES_1] |= (ENABLE_STENCIL_TEST | - ENABLE_DEPTH_TEST); - - sarea->ContextState[I830_CTXREG_ENABLES_2] &= ~(ENABLE_STENCIL_WRITE | - ENABLE_DEPTH_WRITE | - ENABLE_COLOR_WRITE); - - sarea->ContextState[I830_CTXREG_ENABLES_2] |= - (ENABLE_STENCIL_WRITE | - DISABLE_DEPTH_WRITE | - (1 << WRITEMASK_RED_SHIFT) | - (1 << WRITEMASK_GREEN_SHIFT) | - (1 << WRITEMASK_BLUE_SHIFT) | - (1 << WRITEMASK_ALPHA_SHIFT) | - ENABLE_COLOR_WRITE); - - sarea->ContextState[I830_CTXREG_STATE4] &= - ~MODE4_ENABLE_STENCIL_WRITE_MASK; - - sarea->ContextState[I830_CTXREG_STATE4] |= - (ENABLE_STENCIL_WRITE_MASK | - STENCIL_WRITE_MASK(s_mask)); - - sarea->ContextState[I830_CTXREG_STENCILTST] &= - ~(STENCIL_OPS_MASK | - STENCIL_REF_VALUE_MASK | - ENABLE_STENCIL_TEST_FUNC_MASK); - - sarea->ContextState[I830_CTXREG_STENCILTST] |= - (ENABLE_STENCIL_PARMS | - ENABLE_STENCIL_REF_VALUE | - ENABLE_STENCIL_TEST_FUNC | - STENCIL_FAIL_OP(STENCILOP_REPLACE) | - STENCIL_PASS_DEPTH_FAIL_OP(STENCILOP_REPLACE) | - STENCIL_PASS_DEPTH_PASS_OP(STENCILOP_REPLACE) | - STENCIL_REF_VALUE((ctx->Stencil.Clear & 0xff)) | - STENCIL_TEST_FUNC(COMPAREFUNC_ALWAYS)); - - if(0) - fprintf(stderr, "Enables_1 (0x%x) Enables_2 (0x%x) StenTst (0x%x)\n" - "Modes_4 (0x%x)\n", - sarea->ContextState[I830_CTXREG_ENABLES_1], - sarea->ContextState[I830_CTXREG_ENABLES_2], - sarea->ContextState[I830_CTXREG_STENCILTST], - sarea->ContextState[I830_CTXREG_STATE4]); - - sarea->BufferState[I830_DESTREG_CBUFADDR] = i830Screen->fbOffset; - - i830ClearDrawQuad(imesa, (float)x0, (float)x1, (float)y0, (float)y1, - 255, 255, 255, 255); - i830FlushPrimsLocked( imesa ); - } - - UNLOCK_HARDWARE(imesa); - imesa->dirty = old_dirty; - imesa->dirty |= (I830_UPLOAD_CTX | - I830_UPLOAD_BUFFERS | - I830_UPLOAD_TEXBLEND0); - - imesa->hw_primitive = old_vertex_prim; -} - -static void i830Clear(GLcontext *ctx, GLbitfield mask, GLboolean all, - GLint cx1, GLint cy1, GLint cw, GLint ch) -{ - i830ContextPtr imesa = I830_CONTEXT( ctx ); - __DRIdrawablePrivate *dPriv = imesa->driDrawable; - const GLuint colorMask = *((GLuint *) &ctx->Color.ColorMask); - drmI830Clear clear; - GLbitfield tri_mask = 0; - int i; - GLint cx, cy; - - /* flip top to bottom */ - cy = dPriv->h-cy1-ch; - cx = cx1 + imesa->drawX; - cy += imesa->drawY; - - if(0) fprintf(stderr, "\nClearColor : 0x%08x\n", imesa->ClearColor); - - clear.flags = 0; - clear.clear_color = imesa->ClearColor; - clear.clear_depth = 0; - clear.clear_colormask = 0; - clear.clear_depthmask = 0; - - I830_FIREVERTICES( imesa ); - - if (mask & BUFFER_BIT_FRONT_LEFT) { - if(colorMask == ~0) { - clear.flags |= I830_FRONT; - } else { - tri_mask |= BUFFER_BIT_FRONT_LEFT; - } - mask &= ~BUFFER_BIT_FRONT_LEFT; - } - - if (mask & BUFFER_BIT_BACK_LEFT) { - if(colorMask == ~0) { - clear.flags |= I830_BACK; - } else { - tri_mask |= BUFFER_BIT_BACK_LEFT; - } - mask &= ~BUFFER_BIT_BACK_LEFT; - } - - if (mask & BUFFER_BIT_DEPTH) { - clear.flags |= I830_DEPTH; - clear.clear_depthmask = imesa->depth_clear_mask; - clear.clear_depth = (GLuint)(ctx->Depth.Clear * imesa->ClearDepth); - mask &= ~BUFFER_BIT_DEPTH; - } - - if((mask & BUFFER_BIT_STENCIL) && imesa->hw_stencil) { - if (ctx->Stencil.WriteMask[0] != 0xff) { - tri_mask |= BUFFER_BIT_STENCIL; - } else { - clear.flags |= I830_DEPTH; - clear.clear_depthmask |= imesa->stencil_clear_mask; - clear.clear_depth |= (ctx->Stencil.Clear & 0xff) << 24; - } - mask &= ~BUFFER_BIT_STENCIL; - } - - /* First check for clears that need to happen with triangles */ - if(tri_mask) { - i830ClearWithTris(ctx, tri_mask, all, cx, cy, cw, ch); - } - - if (clear.flags) { - LOCK_HARDWARE( imesa ); - - for (i = 0 ; i < imesa->numClipRects ; ) - { - int nr = MIN2(i + I830_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 (!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++; - } - } - - imesa->sarea->nbox = n; - drmCommandWrite(imesa->driFd, DRM_I830_CLEAR, - &clear, sizeof(drmI830Clear)); - } - - UNLOCK_HARDWARE( imesa ); - imesa->upload_cliprects = GL_TRUE; - } - - if (mask) - _swrast_Clear( ctx, mask, all, cx1, cy1, cw, ch ); -} - - - -/* - * Copy the back buffer to the front buffer. - */ -void i830CopyBuffer( const __DRIdrawablePrivate *dPriv ) -{ - i830ContextPtr imesa; - drm_clip_rect_t *pbox; - int nbox, i, tmp; - - assert(dPriv); - assert(dPriv->driContextPriv); - assert(dPriv->driContextPriv->driverPrivate); - - imesa = (i830ContextPtr) dPriv->driContextPriv->driverPrivate; - - I830_FIREVERTICES( imesa ); - LOCK_HARDWARE( imesa ); - - imesa->sarea->perf_boxes |= imesa->perf_boxes; - imesa->perf_boxes = 0; - - pbox = dPriv->pClipRects; - nbox = dPriv->numClipRects; - - for (i = 0 ; i < nbox ; ) - { - int nr = MIN2(i + I830_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_I830_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) { - i830WaitAge(imesa, imesa->lastSwap); - } - - imesa->lastSwap = tmp; - imesa->upload_cliprects = GL_TRUE; -} - -/* Flip the front & back buffes - */ -void i830PageFlip( const __DRIdrawablePrivate *dPriv ) -{ -#if 0 - i830ContextPtr imesa; - int tmp, ret; - - if (I830_DEBUG & DEBUG_IOCTL) - fprintf(stderr, "%s\n", __FUNCTION__); - - assert(dPriv); - assert(dPriv->driContextPriv); - assert(dPriv->driContextPriv->driverPrivate); - - imesa = (i830ContextPtr) dPriv->driContextPriv->driverPrivate; - - I830_FIREVERTICES( imesa ); - LOCK_HARDWARE( imesa ); - - imesa->sarea->perf_boxes |= imesa->perf_boxes; - imesa->perf_boxes = 0; - - if (dPriv->pClipRects) { - *(drm_clip_rect_t *)imesa->sarea->boxes = dPriv->pClipRects[0]; - imesa->sarea->nbox = 1; - } - - ret = drmCommandNone(imesa->driFd, DRM_I830_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) { - i830WaitAge(imesa, imesa->lastSwap); - } - - i830SetDrawBuffer( imesa->glCtx, imesa->glCtx->Color.DriverDrawBuffer ); - imesa->upload_cliprects = GL_TRUE; - imesa->lastSwap = tmp; -#endif -} - -/* This waits for *everybody* to finish rendering -- overkill. - */ -void i830DmaFinish( i830ContextPtr imesa ) -{ - I830_FIREVERTICES( imesa ); - LOCK_HARDWARE_QUIESCENT( imesa ); - UNLOCK_HARDWARE( imesa ); -} - -void i830RegetLockQuiescent( i830ContextPtr imesa ) -{ - drmUnlock(imesa->driFd, imesa->hHWContext); - i830GetLock( imesa, DRM_LOCK_QUIESCENT ); -} - -void i830WaitAgeLocked( i830ContextPtr imesa, int age ) -{ - int i = 0; - while (++i < 5000) { - drmCommandNone(imesa->driFd, DRM_I830_GETAGE); - if (GET_DISPATCH_AGE(imesa) >= age) return; - imesa->sarea->perf_boxes |= I830_BOX_WAIT; - UNLOCK_HARDWARE( imesa ); - if (I830_DEBUG & DEBUG_SLEEP) fprintf(stderr, "."); - usleep(1); - LOCK_HARDWARE( imesa ); - } - /* If that didn't work, just do a flush: - */ - drmCommandNone(imesa->driFd, DRM_I830_FLUSH); -} - -void i830WaitAge( i830ContextPtr imesa, int age ) -{ - int i = 0; - if (GET_DISPATCH_AGE(imesa) >= age) return; - - while (1) { - drmCommandNone(imesa->driFd, DRM_I830_GETAGE); - if (GET_DISPATCH_AGE(imesa) >= age) return; - imesa->perf_boxes |= I830_BOX_WAIT; - - if (imesa->do_irqs) { - drmI830IrqEmit ie; - drmI830IrqWait iw; - int ret; - - ie.irq_seq = &iw.irq_seq; - - LOCK_HARDWARE( imesa ); - ret = drmCommandWriteRead( imesa->driFd, DRM_I830_IRQ_EMIT, &ie, sizeof(ie) ); - if ( ret ) { - fprintf( stderr, "%s: drmI830IrqEmit: %d\n", __FUNCTION__, ret ); - exit(1); - } - UNLOCK_HARDWARE(imesa); - - ret = drmCommandWrite( imesa->driFd, DRM_I830_IRQ_WAIT, &iw, sizeof(iw) ); - if ( ret ) { - fprintf( stderr, "%s: drmI830IrqWait: %d\n", __FUNCTION__, ret ); - exit(1); - } - } else { - if (++i > 5000) usleep(1); - } - } -} - -static void age_imesa( i830ContextPtr imesa, int age ) -{ - if (imesa->CurrentTexObj[0]) imesa->CurrentTexObj[0]->base.timestamp = age; - if (imesa->CurrentTexObj[1]) imesa->CurrentTexObj[1]->base.timestamp = age; -} - -void i830FlushPrimsLocked( i830ContextPtr imesa ) -{ - drm_clip_rect_t *pbox = imesa->pClipRects; - int nbox = imesa->numClipRects; - drmBufPtr buffer = imesa->vertex_buffer; - I830SAREAPtr sarea = imesa->sarea; - drmI830Vertex vertex; - int i, nr; - - if (I830_DEBUG & DEBUG_IOCTL) - fprintf(stderr, "%s dirty: %08x\n", __FUNCTION__, imesa->dirty); - - - vertex.idx = buffer->idx; - vertex.used = imesa->vertex_low; - vertex.discard = 0; - sarea->vertex_prim = imesa->hw_primitive; - - /* Reset imesa vars: - */ - imesa->vertex_buffer = 0; - imesa->vertex_addr = 0; - imesa->vertex_low = 0; - imesa->vertex_high = 0; - imesa->vertex_last_prim = 0; - - if (imesa->dirty) { - if (I830_DEBUG & DEBUG_SANITY) - i830EmitHwStateLockedDebug(imesa); - else - i830EmitHwStateLocked(imesa); - } - - if (I830_DEBUG & DEBUG_IOCTL) - fprintf(stderr,"%s: Vertex idx %d used %d discard %d\n", - __FUNCTION__, vertex.idx, vertex.used, vertex.discard); - - if (!nbox) { - vertex.used = 0; - vertex.discard = 1; - if (drmCommandWrite (imesa->driFd, DRM_I830_VERTEX, - &vertex, sizeof(drmI830Vertex))) { - fprintf(stderr, "DRM_I830_VERTEX: %d\n", -errno); - UNLOCK_HARDWARE(imesa); - exit(1); - } - return; - } - - for (i = 0 ; i < nbox ; i = nr ) { - drm_clip_rect_t *b = sarea->boxes; - int j; - - nr = MIN2(i + I830_NR_SAREA_CLIPRECTS, nbox); - sarea->nbox = nr - i; - - for ( j = i ; j < nr ; j++) { - b[j-i] = pbox[j]; - } - - /* Finished with the buffer? - */ - if (nr == nbox) - vertex.discard = 1; - - /* Do a bunch of sanity checks on the vertices sent to the hardware */ - if (I830_DEBUG & DEBUG_SANITY) { - i830VertexSanity(imesa, vertex); - - for ( j = 0 ; j < sarea->nbox ; j++) { - fprintf(stderr, "box %d/%d %d,%d %d,%d\n", - j, sarea->nbox, b[j].x1, b[j].y1, b[j].x2, b[j].y2); - } - } - - drmCommandWrite (imesa->driFd, DRM_I830_VERTEX, - &vertex, sizeof(drmI830Vertex)); - age_imesa(imesa, imesa->sarea->last_enqueue); - } - - imesa->dirty = 0; - imesa->upload_cliprects = GL_FALSE; -} - -void i830FlushPrimsGetBufferLocked( i830ContextPtr imesa ) -{ - if (imesa->vertex_buffer) - i830FlushPrimsLocked( imesa ); - imesa->vertex_buffer = i830_get_buffer_ioctl( imesa ); - imesa->vertex_addr = (char *)imesa->vertex_buffer->address; - - /* leave room for instruction header & footer: - */ - imesa->vertex_high = imesa->vertex_buffer->total - 4; - imesa->vertex_low = 4; - imesa->vertex_last_prim = imesa->vertex_low; -} - -void i830FlushPrimsGetBuffer( i830ContextPtr imesa ) -{ - LOCK_HARDWARE(imesa); - i830FlushPrimsGetBufferLocked( imesa ); - UNLOCK_HARDWARE(imesa); -} - - -void i830FlushPrims( i830ContextPtr imesa ) -{ - if (imesa->vertex_buffer) { - LOCK_HARDWARE( imesa ); - i830FlushPrimsLocked( imesa ); - UNLOCK_HARDWARE( imesa ); - } -} - -int i830_check_copy(int fd) -{ - return drmCommandNone(fd, DRM_I830_DOCOPY); -} - -static void i830Flush( GLcontext *ctx ) -{ - i830ContextPtr imesa = I830_CONTEXT( ctx ); - I830_FIREVERTICES( imesa ); -} - -static void i830Finish( GLcontext *ctx ) -{ - i830ContextPtr imesa = I830_CONTEXT( ctx ); - i830DmaFinish( imesa ); -} - -void i830InitIoctlFuncs( struct dd_function_table *functions ) -{ - functions->Flush = i830Flush; - functions->Clear = i830Clear; - functions->Finish = i830Finish; -} - |