From ba1b1ae3806490cce16a9c8957b52cd74967f463 Mon Sep 17 00:00:00 2001 From: Jeff Hartmann Date: Tue, 4 Apr 2000 22:08:14 +0000 Subject: Merged mga branch with trunk --- linux/mga_clear.c | 417 ------------------------------------------------------ 1 file changed, 417 deletions(-) delete mode 100644 linux/mga_clear.c (limited to 'linux/mga_clear.c') diff --git a/linux/mga_clear.c b/linux/mga_clear.c deleted file mode 100644 index 05895415..00000000 --- a/linux/mga_clear.c +++ /dev/null @@ -1,417 +0,0 @@ -/* mga_state.c -- State support for mga g200/g400 -*- linux-c -*- - * - * Created: February 2000 by keithw@precisioninsight.com - * - * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * 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 NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: - * Keith Whitwell - * - */ - -#define __NO_VERSION__ -#include "drmP.h" -#include "mga_drv.h" -#include "mgareg_flags.h" -#include "mga_dma.h" -#include "mga_state.h" - -#define MGA_CLEAR_CMD (DC_opcod_trap | DC_arzero_enable | \ - DC_sgnzero_enable | DC_shftzero_enable | \ - (0xC << DC_bop_SHIFT) | DC_clipdis_enable | \ - DC_solid_enable | DC_transc_enable) - - -#define MGA_COPY_CMD (DC_opcod_bitblt | DC_atype_rpl | DC_linear_xy | \ - DC_solid_disable | DC_arzero_disable | \ - DC_sgnzero_enable | DC_shftzero_enable | \ - (0xC << DC_bop_SHIFT) | DC_bltmod_bfcol | \ - DC_pattern_disable | DC_transc_disable | \ - DC_clipdis_enable) \ - - - -/* Build and queue a TT_GENERAL secondary buffer to do the clears. - * With Jeff's ringbuffer idea, it might make sense if there are only - * one or two cliprects to emit straight to the primary buffer. - */ -static int mgaClearBuffers(drm_device_t *dev, - int clear_color, - int clear_depth, - int flags) -{ - int cmd, i; - drm_device_dma_t *dma = dev->dma; - drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private; - drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; - xf86drmClipRectRec *pbox = sarea_priv->boxes; - int nbox = sarea_priv->nbox; - drm_buf_t *buf; - drm_dma_t d; - int order = 10; /* ??? what orders do we have ???*/ - DMALOCALS; - - - if (!nbox) - return -EINVAL; - - if ( dev_priv->sgram ) - cmd = MGA_CLEAR_CMD | DC_atype_blk; - else - cmd = MGA_CLEAR_CMD | DC_atype_rstr; - - buf = drm_freelist_get(&dma->bufs[order].freelist, _DRM_DMA_WAIT); - - - DMAGETPTR( buf ); - - for (i = 0 ; i < nbox ; i++) { - unsigned int height = pbox[i].y2 - pbox[i].y1; - - /* Is it necessary to be this paranoid? I don't think so. - if (pbox[i].x1 > dev_priv->width) continue; - if (pbox[i].y1 > dev_priv->height) continue; - if (pbox[i].x2 > dev_priv->width) continue; - if (pbox[i].y2 > dev_priv->height) continue; - if (pbox[i].x2 <= pbox[i].x1) continue; - if (pbox[i].y2 <= pbox[i].x1) continue; - */ - - DMAOUTREG(MGAREG_YDSTLEN, (pbox[i].y1<<16)|height); - DMAOUTREG(MGAREG_FXBNDRY, (pbox[i].x2<<16)|pbox[i].x1); - - if ( flags & MGA_CLEAR_FRONT ) { - DMAOUTREG(MGAREG_FCOL, clear_color); - DMAOUTREG(MGAREG_DSTORG, dev_priv->frontOrg); - DMAOUTREG(MGAREG_DWGCTL+MGAREG_MGA_EXEC, cmd ); - } - - if ( flags & MGA_CLEAR_BACK ) { - DMAOUTREG(MGAREG_FCOL, clear_color); - DMAOUTREG(MGAREG_DSTORG, dev_priv->backOrg); - DMAOUTREG(MGAREG_DWGCTL+MGAREG_MGA_EXEC, cmd ); - } - - if ( flags & MGA_CLEAR_DEPTH ) - { - DMAOUTREG(MGAREG_FCOL, clear_depth); - DMAOUTREG(MGAREG_DSTORG, dev_priv->depthOrg); - DMAOUTREG(MGAREG_DWGCTL+MGAREG_MGA_EXEC, cmd ); - } - } - - DMAADVANCE( buf ); - - /* Make sure we restore the 3D state next time. - */ - sarea_priv->dirty |= MGASAREA_NEW_CONTEXT; - - ((drm_mga_buf_priv_t *)buf->dev_private)->dma_type = MGA_DMA_GENERAL; - - d.context = DRM_KERNEL_CONTEXT; - d.send_count = 1; - d.send_indices = &buf->idx; - d.send_sizes = &buf->used; - d.flags = 0; - d.request_count = 0; - d.request_size = 0; - d.request_indices = NULL; - d.request_sizes = NULL; - d.granted_count = 0; - - atomic_inc(&dev_priv->pending_bufs); - if((drm_dma_enqueue(dev, &d)) != 0) - atomic_dec(&dev_priv->pending_bufs); - mga_dma_schedule(dev, 1); - return 0; -} - -int mgaSwapBuffers(drm_device_t *dev, int flags) -{ - drm_device_dma_t *dma = dev->dma; - drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private; - drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; - xf86drmClipRectRec *pbox = sarea_priv->boxes; - int nbox = sarea_priv->nbox; - drm_buf_t *buf; - drm_dma_t d; - int order = 10; /* ??? */ - int i; - DMALOCALS; - - if (!nbox) - return -EINVAL; - - buf = drm_freelist_get(&dma->bufs[order].freelist, _DRM_DMA_WAIT); - - DMAGETPTR(buf); - - DMAOUTREG(MGAREG_DSTORG, dev_priv->frontOrg); - DMAOUTREG(MGAREG_MACCESS, dev_priv->mAccess); - DMAOUTREG(MGAREG_SRCORG, dev_priv->backOrg); - DMAOUTREG(MGAREG_AR5, dev_priv->stride); /* unnecessary? */ - DMAOUTREG(MGAREG_DWGCTL, MGA_COPY_CMD); - - for (i = 0 ; i < nbox; i++) { - unsigned int h = pbox[i].y2 - pbox[i].y1; - unsigned int start = pbox[i].y1 * dev_priv->stride; - - /* - if (pbox[i].x1 > dev_priv->width) continue; - if (pbox[i].y1 > dev_priv->height) continue; - if (pbox[i].x2 > dev_priv->width) continue; - if (pbox[i].y2 > dev_priv->height) continue; - if (pbox[i].x2 <= pbox[i].x1) continue; - if (pbox[i].y2 <= pbox[i].x1) continue; - */ - - DMAOUTREG(MGAREG_AR0, start + pbox[i].x2 - 1); - DMAOUTREG(MGAREG_AR3, start + pbox[i].x1); - DMAOUTREG(MGAREG_FXBNDRY, pbox[i].x1|((pbox[i].x2 - 1)<<16)); - DMAOUTREG(MGAREG_YDSTLEN+MGAREG_MGA_EXEC, (pbox[i].y1<<16)|h); - } - - DMAOUTREG(MGAREG_SRCORG, 0); - DMAADVANCE( buf ); - - /* Make sure we restore the 3D state next time. - */ - sarea_priv->dirty |= MGASAREA_NEW_CONTEXT; - - ((drm_mga_buf_priv_t *)buf->dev_private)->dma_type = MGA_DMA_GENERAL; - - d.context = DRM_KERNEL_CONTEXT; - d.send_count = 1; - d.send_indices = &buf->idx; - d.send_sizes = &buf->used; - d.flags = 0; - d.request_count = 0; - d.request_size = 0; - d.request_indices = NULL; - d.request_sizes = NULL; - d.granted_count = 0; - - atomic_inc(&dev_priv->pending_bufs); - if((drm_dma_enqueue(dev, &d)) != 0) - atomic_dec(&dev_priv->pending_bufs); - mga_dma_schedule(dev, 1); - return 0; -} - - -static int mgaIload(drm_device_t *dev, drm_mga_iload_t *args) -{ - drm_device_dma_t *dma = dev->dma; - drm_buf_t *buf = dma->buflist[ args->idx ]; - drm_mga_buf_priv_t *buf_priv = (drm_mga_buf_priv_t *)buf->dev_private; - drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private; - drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; - drm_dma_t d; - int pixperdword; - - buf_priv->dma_type = MGA_DMA_ILOAD; - buf_priv->boxes[0].y1 = args->texture.y1; - buf_priv->boxes[0].y2 = args->texture.y2; - buf_priv->boxes[0].x1 = args->texture.x1; - buf_priv->boxes[0].x2 = args->texture.x2; - buf_priv->ContextState[MGA_CTXREG_DSTORG] = args->destOrg; - buf_priv->ContextState[MGA_CTXREG_MACCESS] = args->mAccess; - buf_priv->ServerState[MGA_2DREG_PITCH] = args->pitch; - buf_priv->nbox = 1; - sarea_priv->dirty |= (MGASAREA_NEW_CONTEXT | MGASAREA_NEW_2D); - switch((args->mAccess & 0x00000003)) { - case 0: - pixperdword = 4; - break; - case 1: - pixperdword = 2; - break; - case 2: - pixperdword = 1; - break; - default: - DRM_ERROR("Invalid maccess value passed" - " to mgaIload\n"); - return -EINVAL; - } - buf->used = ((args->texture.y2 - args->texture.y1) * - (args->texture.x2 - args->texture.x1) / - pixperdword); - DRM_DEBUG("buf->used : %d\n", buf->used); - d.context = DRM_KERNEL_CONTEXT; - d.send_count = 1; - d.send_indices = &buf->idx; - d.send_sizes = &buf->used; - d.flags = 0; - d.request_count = 0; - d.request_size = 0; - d.request_indices = NULL; - d.request_sizes = NULL; - d.granted_count = 0; - - atomic_inc(&dev_priv->pending_bufs); - if((drm_dma_enqueue(dev, &d)) != 0) - atomic_dec(&dev_priv->pending_bufs); - mga_dma_schedule(dev, 1); - - return 0; -} - - -/* Necessary? Not necessary?? - */ -static int check_lock(void) -{ - return 1; -} - -int mga_clear_bufs(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_mga_clear_t clear; - int retcode; - - copy_from_user_ret(&clear, (drm_mga_clear_t *)arg, - sizeof(clear), -EFAULT); - -/* if (!check_lock( dev )) */ -/* return -EIEIO; */ - - retcode = mgaClearBuffers(dev, clear.clear_color, - clear.clear_depth, - clear.flags); - - return retcode; -} - -int mga_swap_bufs(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_mga_swap_t swap; - int retcode = 0; - -/* if (!check_lock( dev )) */ -/* return -EIEIO; */ - - copy_from_user_ret(&swap, (drm_mga_swap_t *)arg, - sizeof(swap), -EFAULT); - - retcode = mgaSwapBuffers(dev, swap.flags); - - return retcode; -} - -int mga_iload(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_mga_iload_t iload; - int retcode = 0; - -/* if (!check_lock( dev )) */ -/* return -EIEIO; */ - - copy_from_user_ret(&iload, (drm_mga_iload_t *)arg, - sizeof(iload), -EFAULT); - - retcode = mgaIload(dev, &iload); - - return retcode; -} - - -int mga_dma(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_device_dma_t *dma = dev->dma; - int retcode = 0; - drm_dma_t d; - - copy_from_user_ret(&d, (drm_dma_t *)arg, sizeof(d), -EFAULT); - DRM_DEBUG("%d %d: %d send, %d req\n", - current->pid, d.context, d.send_count, d.request_count); - - /* Per-context queues are unworkable if you are trying to do - * state management from the client. - */ - d.context = DRM_KERNEL_CONTEXT; - d.flags &= ~_DRM_DMA_WHILE_LOCKED; - - /* Maybe multiple buffers is useful for iload... - * But this ioctl is only for *despatching* vertex data... - */ - if (d.send_count < 0 || d.send_count > 1) { - DRM_ERROR("Process %d trying to send %d buffers (max 1)\n", - current->pid, d.send_count); - return -EINVAL; - } - - - /* But it *is* used to request buffers for all types of dma: - */ - if (d.request_count < 0 || d.request_count > dma->buf_count) { - DRM_ERROR("Process %d trying to get %d buffers (of %d max)\n", - current->pid, d.request_count, dma->buf_count); - return -EINVAL; - } - - if (d.send_count) { - int idx = d.send_indices[0]; - drm_mga_buf_priv_t *buf_priv = dma->buflist[ idx ]->dev_private; - drm_mga_private_t *dev_priv = dev->dev_private; - - buf_priv->dma_type = MGA_DMA_VERTEX; - -/* if (!check_lock( dev )) */ -/* return -EIEIO; */ - - /* Snapshot the relevent bits of the sarea... - */ - mgaCopyAndVerifyState( dev_priv, buf_priv ); - - atomic_inc(&dev_priv->pending_bufs); - retcode = drm_dma_enqueue(dev, &d); - if(retcode != 0) - atomic_dec(&dev_priv->pending_bufs); - mga_dma_schedule(dev, 1); - } - - d.granted_count = 0; - - if (!retcode && d.request_count) { - retcode = drm_dma_get_buffers(dev, &d); - } - - DRM_DEBUG("%d returning, granted = %d\n", - current->pid, d.granted_count); - copy_to_user_ret((drm_dma_t *)arg, &d, sizeof(d), -EFAULT); - - return retcode; -} -- cgit v1.2.3