summaryrefslogtreecommitdiff
path: root/src/mesa/drivers/dri/i830/i830_ioctl.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/mesa/drivers/dri/i830/i830_ioctl.c')
-rw-r--r--src/mesa/drivers/dri/i830/i830_ioctl.c841
1 files changed, 841 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i830/i830_ioctl.c b/src/mesa/drivers/dri/i830/i830_ioctl.c
new file mode 100644
index 0000000000..607b813e53
--- /dev/null
+++ b/src/mesa/drivers/dri/i830/i830_ioctl.c
@@ -0,0 +1,841 @@
+
+/**************************************************************************
+
+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 & DD_FRONT_LEFT_BIT) {
+ 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 & DD_BACK_LEFT_BIT) {
+ 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 & DD_STENCIL_BIT) {
+ 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 & DD_FRONT_LEFT_BIT) {
+ if(colorMask == ~0) {
+ clear.flags |= I830_FRONT;
+ } else {
+ tri_mask |= DD_FRONT_LEFT_BIT;
+ }
+ mask &= ~DD_FRONT_LEFT_BIT;
+ }
+
+ if (mask & DD_BACK_LEFT_BIT) {
+ if(colorMask == ~0) {
+ clear.flags |= I830_BACK;
+ } else {
+ tri_mask |= DD_BACK_LEFT_BIT;
+ }
+ mask &= ~DD_BACK_LEFT_BIT;
+ }
+
+ if (mask & DD_DEPTH_BIT) {
+ clear.flags |= I830_DEPTH;
+ clear.clear_depthmask = imesa->depth_clear_mask;
+ clear.clear_depth = (GLuint)(ctx->Depth.Clear * imesa->ClearDepth);
+ mask &= ~DD_DEPTH_BIT;
+ }
+
+ if((mask & DD_STENCIL_BIT) && imesa->hw_stencil) {
+ if (ctx->Stencil.WriteMask[0] != 0xff) {
+ tri_mask |= DD_STENCIL_BIT;
+ } else {
+ clear.flags |= I830_DEPTH;
+ clear.clear_depthmask |= imesa->stencil_clear_mask;
+ clear.clear_depth |= (ctx->Stencil.Clear & 0xff) << 24;
+ }
+ mask &= ~DD_STENCIL_BIT;
+ }
+
+ /* 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);
+ XF86DRIClipRectRec *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;
+ XF86DRIClipRectPtr 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);
+ XF86DRIClipRectRec *b = (XF86DRIClipRectRec *)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) {
+ *(XF86DRIClipRectRec *)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 )
+{
+ XF86DRIClipRectPtr pbox = (XF86DRIClipRectPtr)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 ) {
+ XF86DRIClipRectPtr 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 i830DDFlush( GLcontext *ctx )
+{
+ i830ContextPtr imesa = I830_CONTEXT( ctx );
+ I830_FIREVERTICES( imesa );
+}
+
+static void i830DDFinish( GLcontext *ctx )
+{
+ i830ContextPtr imesa = I830_CONTEXT( ctx );
+ i830DmaFinish( imesa );
+}
+
+void i830DDInitIoctlFuncs( GLcontext *ctx )
+{
+ ctx->Driver.Flush = i830DDFlush;
+ ctx->Driver.Clear = i830Clear;
+ ctx->Driver.Finish = i830DDFinish;
+}
+
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-02 09:40:15 +0000