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authorAlan Hourihane <alanh@tungstengraphics.com>2003-12-04 13:38:06 +0000
committerAlan Hourihane <alanh@tungstengraphics.com>2003-12-04 13:38:06 +0000
commit13e6a4849c6800eac454fd1010cb2320874f2ed6 (patch)
treec311173244771131a63ba18318be645b4534521c /src/mesa/drivers/dri/ffb/ffb_span.c
parent15af25aca0ed6a2390fe9e0d91055cfc01134ce2 (diff)
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add SPARC ffb DRI driver
Diffstat (limited to 'src/mesa/drivers/dri/ffb/ffb_span.c')
-rw-r--r--src/mesa/drivers/dri/ffb/ffb_span.c142
1 files changed, 142 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/ffb/ffb_span.c b/src/mesa/drivers/dri/ffb/ffb_span.c
new file mode 100644
index 0000000..6927945
--- /dev/null
+++ b/src/mesa/drivers/dri/ffb/ffb_span.c
@@ -0,0 +1,142 @@
+/* $XFree86: xc/lib/GL/mesa/src/drv/ffb/ffb_span.c,v 1.2 2002/02/22 21:32:59 dawes Exp $
+ *
+ * GLX Hardware Device Driver for Sun Creator/Creator3D
+ * Copyright (C) 2000 David S. Miller
+ *
+ * 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 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
+ * DAVID MILLER, OR ANY OTHER CONTRIBUTORS 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.
+ *
+ *
+ * David S. Miller <davem@redhat.com>
+ */
+
+#include "mtypes.h"
+#include "ffb_dd.h"
+#include "ffb_span.h"
+#include "ffb_context.h"
+#include "ffb_lock.h"
+
+#include "swrast/swrast.h"
+
+#define DBG 0
+
+#define HW_LOCK() \
+ ffbContextPtr fmesa = FFB_CONTEXT(ctx); \
+ if (!fmesa->hw_locked) \
+ LOCK_HARDWARE(fmesa);
+
+#define HW_UNLOCK() \
+ if (!fmesa->hw_locked) \
+ UNLOCK_HARDWARE(fmesa); \
+
+#define LOCAL_VARS \
+ __DRIdrawablePrivate *dPriv = fmesa->driDrawable; \
+ GLuint height = dPriv->h; \
+ GLuint p; \
+ char *buf; \
+ (void) p
+
+#define INIT_MONO_PIXEL(p, color) \
+ p = ((color[0] << 0) | \
+ (color[1] << 8) | \
+ (color[2] << 16))
+
+/* We use WID clipping, so this test always passes. */
+#define CLIPPIXEL(__x, __y) (1)
+
+/* And also, due to WID clipping, we need not do anything
+ * special here.
+ */
+#define CLIPSPAN(__x,__y,__n,__x1,__n1,__i) \
+ __n1 = __n; \
+ __x1 = __x; \
+
+#define HW_CLIPLOOP() \
+do { unsigned int fbc, ppc, cmp; \
+ FFBWait(fmesa, fmesa->regs); \
+ fbc = fmesa->regs->fbc; ppc = fmesa->regs->ppc; cmp = fmesa->regs->cmp; \
+ fmesa->regs->fbc = ((fbc & \
+ ~(FFB_FBC_WB_C | FFB_FBC_ZE_MASK | FFB_FBC_RGBE_MASK)) \
+ | (FFB_FBC_ZE_OFF | FFB_FBC_RGBE_MASK)); \
+ fmesa->regs->ppc = ((ppc & \
+ ~(FFB_PPC_XS_MASK | FFB_PPC_ABE_MASK | FFB_PPC_DCE_MASK | \
+ FFB_PPC_APE_MASK | FFB_PPC_CS_MASK)) \
+ | (FFB_PPC_XS_WID | FFB_PPC_ABE_DISABLE | \
+ FFB_PPC_DCE_DISABLE | FFB_PPC_APE_DISABLE | \
+ FFB_PPC_CS_VAR)); \
+ fmesa->regs->cmp = ((cmp & ~(0xff << 16)) | (0x80 << 16)); \
+ fmesa->ffbScreen->rp_active = 1; \
+ FFBWait(fmesa, fmesa->regs); \
+ buf = (char *)(fmesa->sfb32 + (dPriv->x << 2) + (dPriv->y << 13));\
+ if (dPriv->numClipRects) {
+
+#define HW_ENDCLIPLOOP() \
+ } \
+ fmesa->regs->fbc = fbc; \
+ fmesa->regs->ppc = ppc; \
+ fmesa->regs->cmp = cmp; \
+ fmesa->ffbScreen->rp_active = 1; \
+} while(0)
+
+#define Y_FLIP(__y) (height - __y)
+
+#define READ_RGBA(rgba,__x,__y) \
+do { GLuint p = *(GLuint *)(buf + ((__x)<<2) + ((__y)<<13)); \
+ rgba[0] = (p >> 0) & 0xff; \
+ rgba[1] = (p >> 8) & 0xff; \
+ rgba[2] = (p >> 16) & 0xff; \
+ rgba[3] = 0xff; \
+} while(0)
+
+#define WRITE_RGBA(__x, __y, __r, __g, __b, __a) \
+ *(GLuint *)(buf + ((__x)<<2) + ((__y)<<13)) = \
+ ((((__r) & 0xff) << 0) | \
+ (((__g) & 0xff) << 8) | \
+ (((__b) & 0xff) << 16))
+
+#define WRITE_PIXEL(__x, __y, __p) \
+ *(GLuint *)(buf + ((__x)<<2) + ((__y)<<13)) = (__p)
+
+#define TAG(x) ffb##x##_888
+
+#include <spantmp.h>
+
+void ffbDDInitSpanFuncs(GLcontext *ctx)
+{
+ struct swrast_device_driver *swdd =
+ _swrast_GetDeviceDriverReference(ctx);
+
+ swdd->WriteRGBASpan = ffbWriteRGBASpan_888;
+ swdd->WriteRGBSpan = ffbWriteRGBSpan_888;
+ swdd->WriteRGBAPixels = ffbWriteRGBAPixels_888;
+ swdd->WriteMonoRGBASpan = ffbWriteMonoRGBASpan_888;
+ swdd->WriteMonoRGBAPixels = ffbWriteMonoRGBAPixels_888;
+ swdd->ReadRGBASpan = ffbReadRGBASpan_888;
+ swdd->ReadRGBAPixels = ffbReadRGBAPixels_888;
+
+ /* We don't support color index mode yet, but it will be
+ * very easy to do. -DaveM
+ */
+ swdd->WriteCI8Span = NULL;
+ swdd->WriteCI32Span = NULL;
+ swdd->WriteMonoCISpan = NULL;
+ swdd->WriteCI32Pixels = NULL;
+ swdd->WriteMonoCIPixels = NULL;
+ swdd->ReadCI32Span = NULL;
+ swdd->ReadCI32Pixels = NULL;
+}