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Diffstat (limited to 'src/mesa/drivers/dri/sis/sis_screen.c')
-rw-r--r--src/mesa/drivers/dri/sis/sis_screen.c285
1 files changed, 285 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/sis/sis_screen.c b/src/mesa/drivers/dri/sis/sis_screen.c
new file mode 100644
index 0000000000..1de992e18b
--- /dev/null
+++ b/src/mesa/drivers/dri/sis/sis_screen.c
@@ -0,0 +1,285 @@
+/* $XFree86$ */
+/**************************************************************************
+
+Copyright 2003 Eric Anholt
+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, PRECISION INSIGHT 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.
+
+**************************************************************************/
+
+/*
+ * Authors:
+ * Eric Anholt <anholt@FreeBSD.org>
+ */
+
+#include "dri_util.h"
+
+#include "context.h"
+#include "utils.h"
+#include "imports.h"
+
+#include "sis_context.h"
+#include "sis_dri.h"
+#include "sis_lock.h"
+
+/* Create the device specific screen private data struct.
+ */
+static sisScreenPtr
+sisCreateScreen( __DRIscreenPrivate *sPriv )
+{
+ sisScreenPtr sisScreen;
+ SISDRIPtr sisDRIPriv = (SISDRIPtr)sPriv->pDevPriv;
+
+ if ( !driCheckDriDdxDrmVersions( sPriv, "SiS", 4, 0, 0, 1, 1, 0 ) )
+ return NULL;
+
+ /* Allocate the private area */
+ sisScreen = (sisScreenPtr)CALLOC( sizeof(*sisScreen) );
+ if ( sisScreen == NULL )
+ return NULL;
+
+ sisScreen->screenX = sisDRIPriv->width;
+ sisScreen->screenY = sisDRIPriv->height;
+ sisScreen->cpp = sisDRIPriv->bytesPerPixel;
+ sisScreen->irqEnabled = sisDRIPriv->bytesPerPixel;
+ sisScreen->deviceID = sisDRIPriv->deviceID;
+ sisScreen->AGPCmdBufOffset = sisDRIPriv->AGPCmdBufOffset;
+ sisScreen->AGPCmdBufSize = sisDRIPriv->AGPCmdBufSize;
+ sisScreen->sarea_priv_offset = sizeof(XF86DRISAREARec);
+
+ sisScreen->mmio.handle = sisDRIPriv->regs.handle;
+ sisScreen->mmio.size = sisDRIPriv->regs.size;
+ if ( drmMap( sPriv->fd, sisScreen->mmio.handle, sisScreen->mmio.size,
+ &sisScreen->mmio.map ) )
+ {
+ FREE( sisScreen );
+ return NULL;
+ }
+
+ if (sisDRIPriv->agp.size) {
+ sisScreen->agp.handle = sisDRIPriv->agp.handle;
+ sisScreen->agp.size = sisDRIPriv->agp.size;
+ if ( drmMap( sPriv->fd, sisScreen->agp.handle, sisScreen->agp.size,
+ &sisScreen->agp.map ) )
+ {
+ sisScreen->agp.size = 0;
+ }
+ }
+
+ sisScreen->driScreen = sPriv;
+
+ return sisScreen;
+}
+
+/* Destroy the device specific screen private data struct.
+ */
+static void
+sisDestroyScreen( __DRIscreenPrivate *sPriv )
+{
+ sisScreenPtr sisScreen = (sisScreenPtr)sPriv->private;
+
+ if ( sisScreen == NULL )
+ return;
+
+ if (sisScreen->agp.size != 0)
+ drmUnmap( sisScreen->agp.map, sisScreen->agp.size );
+ drmUnmap( sisScreen->mmio.map, sisScreen->mmio.size );
+
+ FREE( sisScreen );
+ sPriv->private = NULL;
+}
+
+/* Create and initialize the Mesa and driver specific pixmap buffer
+ * data.
+ */
+static GLboolean
+sisCreateBuffer( __DRIscreenPrivate *driScrnPriv,
+ __DRIdrawablePrivate *driDrawPriv,
+ const __GLcontextModes *mesaVis,
+ GLboolean isPixmap )
+{
+ if (isPixmap)
+ return GL_FALSE; /* not implemented */
+
+ driDrawPriv->driverPrivate = (void *)_mesa_create_framebuffer(
+ mesaVis,
+ GL_FALSE, /* software depth buffer? */
+ mesaVis->stencilBits > 0,
+ mesaVis->accumRedBits > 0,
+ mesaVis->alphaBits > 0 ); /* XXX */
+ return (driDrawPriv->driverPrivate != NULL);
+}
+
+
+static void
+sisDestroyBuffer(__DRIdrawablePrivate *driDrawPriv)
+{
+ _mesa_destroy_framebuffer((GLframebuffer *) (driDrawPriv->driverPrivate));
+}
+
+__inline__ static void
+sis_bitblt_copy_cmd (sisContextPtr smesa, ENGPACKET * pkt)
+{
+ GLint *lpdwDest, *lpdwSrc;
+ int i;
+
+ lpdwSrc = (GLint *) pkt;
+ lpdwDest = (GLint *) (GET_IOBase (smesa) + REG_SRC_ADDR);
+
+ mWait3DCmdQueue (10);
+
+ for (i = 0; i < 7; i++)
+ *lpdwDest++ = *lpdwSrc++;
+
+ MMIO(REG_CMD0, *(GLint *)&pkt->stdwCmd);
+ MMIO(REG_QueueLen, -1);
+}
+
+static void sisCopyBuffer( __DRIdrawablePrivate *dPriv )
+{
+ sisContextPtr smesa = (sisContextPtr)dPriv->driContextPriv->driverPrivate;
+ int i;
+ ENGPACKET stEngPacket;
+
+ while ((*smesa->FrameCountPtr) - MMIO_READ(0x8a2c) > SIS_MAX_FRAME_LENGTH)
+ usleep(1);
+
+ LOCK_HARDWARE();
+
+ stEngPacket.dwSrcBaseAddr = smesa->backOffset;
+ stEngPacket.dwSrcPitch = smesa->backPitch |
+ ((smesa->bytesPerPixel == 2) ? 0x80000000 : 0xc0000000);
+ stEngPacket.dwDestBaseAddr = 0;
+ stEngPacket.wDestPitch = smesa->frontPitch;
+ /* TODO: set maximum value? */
+ stEngPacket.wDestHeight = smesa->virtualY;
+
+ stEngPacket.stdwCmd.cRop = 0xcc;
+
+ if (smesa->blockWrite)
+ stEngPacket.stdwCmd.cCmd0 = CMD0_PAT_FG_COLOR;
+ else
+ stEngPacket.stdwCmd.cCmd0 = 0;
+ stEngPacket.stdwCmd.cCmd1 = CMD1_DIR_X_INC | CMD1_DIR_Y_INC;
+
+ for (i = 0; i < dPriv->numClipRects; i++) {
+ XF86DRIClipRectPtr box = &dPriv->pClipRects[i];
+ stEngPacket.stdwSrcPos.wY = box->y1 - dPriv->y;
+ stEngPacket.stdwSrcPos.wX = box->x1 - dPriv->x;
+ stEngPacket.stdwDestPos.wY = box->y1;
+ stEngPacket.stdwDestPos.wX = box->x1;
+
+ stEngPacket.stdwDim.wWidth = (GLshort) box->x2 - box->x1;
+ stEngPacket.stdwDim.wHeight = (GLshort) box->y2 - box->y1;
+ sis_bitblt_copy_cmd( smesa, &stEngPacket );
+ }
+
+ *(GLint *)(smesa->IOBase+0x8a2c) = *smesa->FrameCountPtr;
+ (*smesa->FrameCountPtr)++;
+
+ UNLOCK_HARDWARE ();
+}
+
+
+/* Copy the back color buffer to the front color buffer */
+static void
+sisSwapBuffers(__DRIdrawablePrivate *dPriv)
+{
+ if (dPriv->driContextPriv && dPriv->driContextPriv->driverPrivate) {
+ sisContextPtr smesa = (sisContextPtr) dPriv->driContextPriv->driverPrivate;
+ GLcontext *ctx = smesa->glCtx;
+
+ if (ctx->Visual.doubleBufferMode) {
+ _mesa_notifySwapBuffers( ctx ); /* flush pending rendering comands */
+ sisCopyBuffer( dPriv );
+ }
+ } else {
+ /* XXX this shouldn't be an error but we can't handle it for now */
+ _mesa_problem(NULL, "%s: drawable has no context!", __FUNCTION__);
+ }
+}
+
+
+/* Initialize the driver specific screen private data.
+ */
+static GLboolean
+sisInitDriver( __DRIscreenPrivate *sPriv )
+{
+ sPriv->private = (void *) sisCreateScreen( sPriv );
+
+ if ( !sPriv->private ) {
+ sisDestroyScreen( sPriv );
+ return GL_FALSE;
+ }
+
+ return GL_TRUE;
+}
+
+/* Fullscreen mode change stub
+ */
+static GLboolean
+sisOpenCloseFullScreen( __DRIcontextPrivate *driContextPriv )
+{
+ return GL_TRUE;
+}
+
+static struct __DriverAPIRec sisAPI = {
+ .InitDriver = sisInitDriver,
+ .DestroyScreen = sisDestroyScreen,
+ .CreateContext = sisCreateContext,
+ .DestroyContext = sisDestroyContext,
+ .CreateBuffer = sisCreateBuffer,
+ .DestroyBuffer = sisDestroyBuffer,
+ .SwapBuffers = sisSwapBuffers,
+ .MakeCurrent = sisMakeCurrent,
+ .UnbindContext = sisUnbindContext,
+ .OpenFullScreen = sisOpenCloseFullScreen,
+ .CloseFullScreen = sisOpenCloseFullScreen,
+ .GetSwapInfo = NULL,
+ .GetMSC = NULL,
+ .WaitForMSC = NULL,
+ .WaitForSBC = NULL,
+ .SwapBuffersMSC = NULL
+
+};
+
+/*
+ * This is the bootstrap function for the driver.
+ * The __driCreateScreen name is the symbol that libGL.so fetches.
+ * Return: pointer to a __DRIscreenPrivate.
+ */
+#ifndef _SOLO
+void *__driCreateScreen(Display *dpy, int scrn, __DRIscreen *psc,
+ int numConfigs, __GLXvisualConfig *config)
+{
+ __DRIscreenPrivate *psp;
+ psp = __driUtilCreateScreen( dpy, scrn, psc, numConfigs, config, &sisAPI );
+ return (void *)psp;
+}
+#else
+void *__driCreateScreen(struct DRIDriverRec *driver,
+ struct DRIDriverContextRec *driverContext)
+{
+ __DRIscreenPrivate *psp;
+ psp = __driUtilCreateScreen(driver, driverContext, &sisAPI);
+ return (void *) psp;
+}
+#endif
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