From 70ecd97401220d3fe2864b1aee5fb1399c7e534d Mon Sep 17 00:00:00 2001
From: Lars-Peter Clausen <lars@metafoo.de>
Date: Mon, 4 May 2009 23:49:27 +0200
Subject: Don't try to accelerate 8bit solid fills, because in it's current
 shape it does not work.

---
 src/glamo-draw.c   | 16 ++--------------
 src/glamo-driver.c | 42 ++++++++++++++++++++++++++++++++++--------
 src/glamo.h        |  2 ++
 3 files changed, 38 insertions(+), 22 deletions(-)

diff --git a/src/glamo-draw.c b/src/glamo-draw.c
index 6d4ea15..17c1e6b 100644
--- a/src/glamo-draw.c
+++ b/src/glamo-draw.c
@@ -307,25 +307,13 @@ GLAMOExaPrepareSolid(PixmapPtr      pPix,
 	FbBits mask;
 	RING_LOCALS;
 
-/*	if (pPix->drawable.bitsPerPixel != 16)
-		GLAMO_FALLBACK(("Only 16bpp is supported\n"));*/
+	if (pPix->drawable.bitsPerPixel != 16)
+		GLAMO_FALLBACK(("Only 16bpp is supported\n"));
 
     mask = FbFullMask(16);
 	if ((pm & mask) != mask)
 		GLAMO_FALLBACK(("Can't do planemask 0x%08x\n",
 				(unsigned int) pm));
-    switch (pPix->drawable.bitsPerPixel) {
-        case 8:
-            if (pPix->devKind & 1)
-                return FALSE;
-            fg = (fg | fg << 8);
-        case 16:
-            break;
-        default:
-            return FALSE;
-            break;
-    }
-
 	op = GLAMOSolidRop[alu] << 8;
 	offset = exaGetPixmapOffset(pPix);
 	pitch = pPix->devKind;
diff --git a/src/glamo-driver.c b/src/glamo-driver.c
index d6d9624..23d045c 100644
--- a/src/glamo-driver.c
+++ b/src/glamo-driver.c
@@ -93,7 +93,10 @@ GlamoEnterVT(int scrnIndex, int flags);
 static void
 GlamoLeaveVT(int scrnIndex, int flags);
 
-/* -------------------------------------------------------------------- */
+static void
+GlamoLoadColormap(ScrnInfoPtr pScrn, int numColors, int *indices,
+        LOCO *colors, VisualPtr pVisual);
+ /* -------------------------------------------------------------------- */
 
 static const xf86CrtcConfigFuncsRec glamo_crtc_config_funcs = {
     .resize = GlamoCrtcResize
@@ -175,10 +178,6 @@ static const char *fbdevHWSymbols[] = {
 	"fbdevHWMapVidmem",
 	"fbdevHWUnmapVidmem",
 
-	/* colormap */
-	"fbdevHWLoadPalette",
-	"fbdevHWLoadPaletteWeak",
-
 	/* ScrnInfo hooks */
 	"fbdevHWAdjustFrameWeak",
 	"fbdevHWSaveScreen",
@@ -418,9 +417,9 @@ GlamoPreInit(ScrnInfoPtr pScrn, int flags)
 
     pGlamo->pEnt = xf86GetEntityInfo(pScrn->entityList[0]);
 
-    pScrn->racMemFlags = RAC_FB | RAC_COLORMAP | RAC_CURSOR | RAC_VIEWPORT;
+    pScrn->racMemFlags = RAC_FB | RAC_CURSOR | RAC_VIEWPORT;
     /* XXX Is this right?  Can probably remove RAC_FB */
-    pScrn->racIoFlags = RAC_FB | RAC_COLORMAP | RAC_CURSOR | RAC_VIEWPORT;
+    pScrn->racIoFlags = RAC_FB | RAC_CURSOR | RAC_VIEWPORT;
 
     fb_device = xf86FindOptionValue(pGlamo->pEnt->device->options, "Device");
 
@@ -619,6 +618,7 @@ GlamoScreenInit(int scrnIndex, ScreenPtr pScreen, int argc, char **argv)
                                      RR_Rotate_180 | RR_Rotate_270);
 #endif
     /* colormap */
+    pGlamo->colormap = NULL;
     if (!miCreateDefColormap(pScreen)) {
         xf86DrvMsg(scrnIndex, X_ERROR,
                    "internal error: miCreateDefColormap failed "
@@ -627,7 +627,7 @@ GlamoScreenInit(int scrnIndex, ScreenPtr pScreen, int argc, char **argv)
     }
 
     flags = CMAP_PALETTED_TRUECOLOR;
-    if (!xf86HandleColormaps(pScreen, 256, 8, fbdevHWLoadPaletteWeak(),
+    if (!xf86HandleColormaps(pScreen, 256, 8, GlamoLoadColormap,
                              NULL, flags))
         return FALSE;
 
@@ -659,6 +659,11 @@ GlamoCloseScreen(int scrnIndex, ScreenPtr pScreen)
     fbdevHWUnmapVidmem(pScrn);
     GlamoUnmapMMIO(pScrn);
 
+    if (pGlamo->colormap) {
+        xfree(pGlamo->colormap);
+        pGlamo->colormap = NULL;
+    }
+
     pScrn->vtSema = FALSE;
 
     pScreen->CreateScreenResources = pGlamo->CreateScreenResources;
@@ -826,3 +831,24 @@ GlamoLeaveVT(int scrnIndex, int flags) {
     GlamoRestoreHW(pScrn);
 }
 
+static void
+GlamoLoadColormap(ScrnInfoPtr pScrn, int numColors, int *indices,
+        LOCO *colors, VisualPtr pVisual) {
+    GlamoPtr pGlamo = GlamoPTR(pScrn);
+    int i;
+    ErrorF("%s:%s[%d]\n", __FILE__, __func__, __LINE__);
+
+    if (pGlamo->colormap) {
+        xfree (pGlamo->colormap);
+    }
+
+    pGlamo->colormap = xalloc (sizeof(uint16_t) * numColors);
+
+    for (i = 0; i < numColors; ++i) {
+        pGlamo->colormap[i] =
+            ((colors[indices[i]].red << 8) & 0xf700) |
+            ((colors[indices[i]].green << 3) & 0x7e0) |
+            (colors[indices[i]].blue >> 3);
+    }
+}
+
diff --git a/src/glamo.h b/src/glamo.h
index c5d18c3..6155259 100644
--- a/src/glamo.h
+++ b/src/glamo.h
@@ -132,6 +132,8 @@ typedef struct {
 
 /* Use hardware acceleration */
     Bool accel;
+
+    uint16_t *colormap;
 } GlamoRec, *GlamoPtr;
 
 #define GlamoPTR(p) ((GlamoPtr)((p)->driverPrivate))
-- 
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