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Diffstat (limited to 'src/mesa/drivers/dri/i810/i810screen.c')
-rw-r--r--src/mesa/drivers/dri/i810/i810screen.c288
1 files changed, 288 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i810/i810screen.c b/src/mesa/drivers/dri/i810/i810screen.c
new file mode 100644
index 00000000000..2c978e10a4e
--- /dev/null
+++ b/src/mesa/drivers/dri/i810/i810screen.c
@@ -0,0 +1,288 @@
+/**************************************************************************
+
+Copyright 1998-1999 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, 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 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.
+
+**************************************************************************/
+/* $XFree86: xc/lib/GL/mesa/src/drv/i810/i810screen.c,v 1.2 2002/10/30 12:51:33 alanh Exp $ */
+
+/*
+ * Authors:
+ * Keith Whitwell <keith@tungstengraphics.com>
+ *
+ */
+
+
+#include "glheader.h"
+#include "context.h"
+#include "matrix.h"
+#include "simple_list.h"
+
+#include "i810screen.h"
+#include "i810_dri.h"
+
+#include "i810state.h"
+#include "i810tex.h"
+#include "i810span.h"
+#include "i810tris.h"
+#include "i810ioctl.h"
+
+
+
+/* static int i810_malloc_proxy_buf(drmBufMapPtr buffers) */
+/* { */
+/* char *buffer; */
+/* drmBufPtr buf; */
+/* int i; */
+
+/* buffer = Xmalloc(I810_DMA_BUF_SZ); */
+/* if(buffer == NULL) return -1; */
+/* for(i = 0; i < I810_DMA_BUF_NR; i++) { */
+/* buf = &(buffers->list[i]); */
+/* buf->address = (drmAddress)buffer; */
+/* } */
+/* return 0; */
+/* } */
+
+static drmBufMapPtr i810_create_empty_buffers(void)
+{
+ drmBufMapPtr retval;
+
+ retval = (drmBufMapPtr)Xmalloc(sizeof(drmBufMap));
+ if(retval == NULL) return NULL;
+ memset(retval, 0, sizeof(drmBufMap));
+ retval->list = (drmBufPtr)Xmalloc(sizeof(drmBuf) * I810_DMA_BUF_NR);
+ if(retval->list == NULL) {
+ Xfree(retval);
+ return NULL;
+ }
+ memset(retval->list, 0, sizeof(drmBuf) * I810_DMA_BUF_NR);
+ return retval;
+}
+
+
+static GLboolean
+i810InitDriver(__DRIscreenPrivate *sPriv)
+{
+ i810ScreenPrivate *i810Screen;
+ I810DRIPtr gDRIPriv = (I810DRIPtr)sPriv->pDevPriv;
+
+ /* Check the DRI externsion version */
+ if ( sPriv->driMajor != 4 || sPriv->driMinor < 0 ) {
+ __driUtilMessage( "i810 DRI driver expected DRI version 4.0.x "
+ "but got version %d.%d.%d",
+ sPriv->driMajor, sPriv->driMinor, sPriv->driPatch );
+ return GL_FALSE;
+ }
+
+ /* Check that the DDX driver version is compatible */
+ if (sPriv->ddxMajor != 1 ||
+ sPriv->ddxMinor < 0) {
+ __driUtilMessage("i810 DRI driver expected DDX driver version 1.0.x but got version %d.%d.%d", sPriv->ddxMajor, sPriv->ddxMinor, sPriv->ddxPatch);
+ return GL_FALSE;
+ }
+
+ /* Check that the DRM driver version is compatible */
+ if (sPriv->drmMajor != 1 ||
+ sPriv->drmMinor < 2) {
+ __driUtilMessage("i810 DRI driver expected DRM driver version 1.2.x but got version %d.%d.%d", sPriv->drmMajor, sPriv->drmMinor, sPriv->drmPatch);
+ return GL_FALSE;
+ }
+
+ /* Allocate the private area */
+ i810Screen = (i810ScreenPrivate *)Xmalloc(sizeof(i810ScreenPrivate));
+ if (!i810Screen) {
+ __driUtilMessage("i810InitDriver: alloc i810ScreenPrivate struct failed");
+ return GL_FALSE;
+ }
+
+ i810Screen->driScrnPriv = sPriv;
+ sPriv->private = (void *)i810Screen;
+
+ i810Screen->deviceID=gDRIPriv->deviceID;
+ i810Screen->width=gDRIPriv->width;
+ i810Screen->height=gDRIPriv->height;
+ i810Screen->mem=gDRIPriv->mem;
+ i810Screen->cpp=gDRIPriv->cpp;
+ i810Screen->fbStride=gDRIPriv->fbStride;
+ i810Screen->fbOffset=gDRIPriv->fbOffset;
+
+ if (gDRIPriv->bitsPerPixel == 15)
+ i810Screen->fbFormat = DV_PF_555;
+ else
+ i810Screen->fbFormat = DV_PF_565;
+
+ i810Screen->backOffset=gDRIPriv->backOffset;
+ i810Screen->depthOffset=gDRIPriv->depthOffset;
+ i810Screen->backPitch = gDRIPriv->auxPitch;
+ i810Screen->backPitchBits = gDRIPriv->auxPitchBits;
+ i810Screen->textureOffset=gDRIPriv->textureOffset;
+ i810Screen->textureSize=gDRIPriv->textureSize;
+ i810Screen->logTextureGranularity = gDRIPriv->logTextureGranularity;
+
+ i810Screen->bufs = i810_create_empty_buffers();
+ if (i810Screen->bufs == NULL) {
+ __driUtilMessage("i810InitDriver: i810_create_empty_buffers() failed");
+ Xfree(i810Screen);
+ return GL_FALSE;
+ }
+
+ i810Screen->back.handle = gDRIPriv->backbuffer;
+ i810Screen->back.size = gDRIPriv->backbufferSize;
+
+ if (drmMap(sPriv->fd,
+ i810Screen->back.handle,
+ i810Screen->back.size,
+ (drmAddress *)&i810Screen->back.map) != 0) {
+ Xfree(i810Screen);
+ sPriv->private = NULL;
+ __driUtilMessage("i810InitDriver: drmMap failed");
+ return GL_FALSE;
+ }
+
+ i810Screen->depth.handle = gDRIPriv->depthbuffer;
+ i810Screen->depth.size = gDRIPriv->depthbufferSize;
+
+ if (drmMap(sPriv->fd,
+ i810Screen->depth.handle,
+ i810Screen->depth.size,
+ (drmAddress *)&i810Screen->depth.map) != 0) {
+ Xfree(i810Screen);
+ drmUnmap(i810Screen->back.map, i810Screen->back.size);
+ sPriv->private = NULL;
+ __driUtilMessage("i810InitDriver: drmMap (2) failed");
+ return GL_FALSE;
+ }
+
+ i810Screen->tex.handle = gDRIPriv->textures;
+ i810Screen->tex.size = gDRIPriv->textureSize;
+
+ if (drmMap(sPriv->fd,
+ i810Screen->tex.handle,
+ i810Screen->tex.size,
+ (drmAddress *)&i810Screen->tex.map) != 0) {
+ Xfree(i810Screen);
+ drmUnmap(i810Screen->back.map, i810Screen->back.size);
+ drmUnmap(i810Screen->depth.map, i810Screen->depth.size);
+ sPriv->private = NULL;
+ __driUtilMessage("i810InitDriver: drmMap (3) failed");
+ return GL_FALSE;
+ }
+
+ i810Screen->sarea_priv_offset = gDRIPriv->sarea_priv_offset;
+
+ return GL_TRUE;
+}
+
+static void
+i810DestroyScreen(__DRIscreenPrivate *sPriv)
+{
+ i810ScreenPrivate *i810Screen = (i810ScreenPrivate *)sPriv->private;
+
+ /* Need to unmap all the bufs and maps here:
+ */
+ drmUnmap(i810Screen->back.map, i810Screen->back.size);
+ drmUnmap(i810Screen->depth.map, i810Screen->depth.size);
+ drmUnmap(i810Screen->tex.map, i810Screen->tex.size);
+
+ Xfree(i810Screen);
+ sPriv->private = NULL;
+}
+
+
+static GLboolean
+i810CreateBuffer( __DRIscreenPrivate *driScrnPriv,
+ __DRIdrawablePrivate *driDrawPriv,
+ const __GLcontextModes *mesaVis,
+ GLboolean isPixmap )
+{
+ if (isPixmap) {
+ return GL_FALSE; /* not implemented */
+ }
+ else {
+ driDrawPriv->driverPrivate = (void *)
+ _mesa_create_framebuffer(mesaVis,
+ GL_FALSE, /* software depth buffer? */
+ mesaVis->stencilBits > 0,
+ mesaVis->accumRedBits > 0,
+ GL_FALSE /* s/w alpha planes */);
+ return (driDrawPriv->driverPrivate != NULL);
+ }
+}
+
+
+static void
+i810DestroyBuffer(__DRIdrawablePrivate *driDrawPriv)
+{
+ _mesa_destroy_framebuffer((GLframebuffer *) (driDrawPriv->driverPrivate));
+}
+
+
+static GLboolean
+i810OpenCloseFullScreen(__DRIcontextPrivate *driContextPriv)
+{
+ return GL_TRUE;
+}
+
+static const struct __DriverAPIRec i810API = {
+ .InitDriver = i810InitDriver,
+ .DestroyScreen = i810DestroyScreen,
+ .CreateContext = i810CreateContext,
+ .DestroyContext = i810DestroyContext,
+ .CreateBuffer = i810CreateBuffer,
+ .DestroyBuffer = i810DestroyBuffer,
+ .SwapBuffers = i810SwapBuffers,
+ .MakeCurrent = i810MakeCurrent,
+ .UnbindContext = i810UnbindContext,
+ .OpenFullScreen = i810OpenCloseFullScreen,
+ .CloseFullScreen = i810OpenCloseFullScreen,
+ .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, &i810API);
+ return (void *) psp;
+}
+#else
+void *__driCreateScreen(struct DRIDriverRec *driver,
+ struct DRIDriverContextRec *driverContext)
+{
+ __DRIscreenPrivate *psp;
+ psp = __driUtilCreateScreen(driver, driverContext, &i810API);
+ return (void *) psp;
+}
+#endif
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