24 bpp fixes

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@984 c046a42c-6fe2-441c-8c8c-71466251a162

24 bpp fixes
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@984 c046a42c-6fe2-441c-8c8c-71466251a162
bellard
1 parent 81ca7991
Showing 2 changed files with 129 additions and 69 deletions
hw/cirrus_vga.c
hw/cirrus_vga_rop2.h
@@ -456,25 +456,6 @@ static const cirrus_bitblt_rop_t cirrus_colorexpand_transp[16][4] = {
     ROP2(cirrus_colorexpand_transp_notsrc_and_notdst),
 };
-static const cirrus_bitblt_rop_t cirrus_colorexpand_transp_inv[16][4] = {
-    ROP2(cirrus_colorexpand_transp_inv_0),
-    ROP2(cirrus_colorexpand_transp_inv_src_and_dst),
-    ROP_NOP2(cirrus_bitblt_rop_nop),
-    ROP2(cirrus_colorexpand_transp_inv_src_and_notdst),
-    ROP2(cirrus_colorexpand_transp_inv_notdst),
-    ROP2(cirrus_colorexpand_transp_inv_src),
-    ROP2(cirrus_colorexpand_transp_inv_1),
-    ROP2(cirrus_colorexpand_transp_inv_notsrc_and_dst),
-    ROP2(cirrus_colorexpand_transp_inv_src_xor_dst),
-    ROP2(cirrus_colorexpand_transp_inv_src_or_dst),
-    ROP2(cirrus_colorexpand_transp_inv_notsrc_or_notdst),
-    ROP2(cirrus_colorexpand_transp_inv_src_notxor_dst),
-    ROP2(cirrus_colorexpand_transp_inv_src_or_notdst),
-    ROP2(cirrus_colorexpand_transp_inv_notsrc),
-    ROP2(cirrus_colorexpand_transp_inv_notsrc_or_dst),
-    ROP2(cirrus_colorexpand_transp_inv_notsrc_and_notdst),
-};
-
 static const cirrus_bitblt_rop_t cirrus_colorexpand[16][4] = {
     ROP2(cirrus_colorexpand_0),
     ROP2(cirrus_colorexpand_src_and_dst),
@@ -494,6 +475,44 @@ static const cirrus_bitblt_rop_t cirrus_colorexpand[16][4] = {
     ROP2(cirrus_colorexpand_notsrc_and_notdst),
 };
+static const cirrus_bitblt_rop_t cirrus_colorexpand_pattern_transp[16][4] = {
+    ROP2(cirrus_colorexpand_pattern_transp_0),
+    ROP2(cirrus_colorexpand_pattern_transp_src_and_dst),
+    ROP_NOP2(cirrus_bitblt_rop_nop),
+    ROP2(cirrus_colorexpand_pattern_transp_src_and_notdst),
+    ROP2(cirrus_colorexpand_pattern_transp_notdst),
+    ROP2(cirrus_colorexpand_pattern_transp_src),
+    ROP2(cirrus_colorexpand_pattern_transp_1),
+    ROP2(cirrus_colorexpand_pattern_transp_notsrc_and_dst),
+    ROP2(cirrus_colorexpand_pattern_transp_src_xor_dst),
+    ROP2(cirrus_colorexpand_pattern_transp_src_or_dst),
+    ROP2(cirrus_colorexpand_pattern_transp_notsrc_or_notdst),
+    ROP2(cirrus_colorexpand_pattern_transp_src_notxor_dst),
+    ROP2(cirrus_colorexpand_pattern_transp_src_or_notdst),
+    ROP2(cirrus_colorexpand_pattern_transp_notsrc),
+    ROP2(cirrus_colorexpand_pattern_transp_notsrc_or_dst),
+    ROP2(cirrus_colorexpand_pattern_transp_notsrc_and_notdst),
+};
+
+static const cirrus_bitblt_rop_t cirrus_colorexpand_pattern[16][4] = {
+    ROP2(cirrus_colorexpand_pattern_0),
+    ROP2(cirrus_colorexpand_pattern_src_and_dst),
+    ROP_NOP2(cirrus_bitblt_rop_nop),
+    ROP2(cirrus_colorexpand_pattern_src_and_notdst),
+    ROP2(cirrus_colorexpand_pattern_notdst),
+    ROP2(cirrus_colorexpand_pattern_src),
+    ROP2(cirrus_colorexpand_pattern_1),
+    ROP2(cirrus_colorexpand_pattern_notsrc_and_dst),
+    ROP2(cirrus_colorexpand_pattern_src_xor_dst),
+    ROP2(cirrus_colorexpand_pattern_src_or_dst),
+    ROP2(cirrus_colorexpand_pattern_notsrc_or_notdst),
+    ROP2(cirrus_colorexpand_pattern_src_notxor_dst),
+    ROP2(cirrus_colorexpand_pattern_src_or_notdst),
+    ROP2(cirrus_colorexpand_pattern_notsrc),
+    ROP2(cirrus_colorexpand_pattern_notsrc_or_dst),
+    ROP2(cirrus_colorexpand_pattern_notsrc_and_notdst),
+};
+
 static const cirrus_fill_t cirrus_fill[16][4] = {
     ROP2(cirrus_fill_0),
     ROP2(cirrus_fill_src_and_dst),
@@ -584,27 +603,8 @@ static void cirrus_invalidate_region(CirrusVGAState * s, int off_begin,
 static int cirrus_bitblt_common_patterncopy(CirrusVGAState * s,
 					    const uint8_t * src)
 {
-    uint8_t work_colorexp[256];
     uint8_t *dst;
-    int patternbytes = s->cirrus_blt_pixelwidth * 8;
-    if (s->cirrus_blt_mode & CIRRUS_BLTMODE_COLOREXPAND) {
-        cirrus_bitblt_rop_t rop_func;
-        cirrus_bitblt_fgcol(s);
-        cirrus_bitblt_bgcol(s);
-        rop_func = cirrus_colorexpand[CIRRUS_ROP_SRC_INDEX][s->cirrus_blt_pixelwidth - 1];
-        rop_func(s, work_colorexp, src, patternbytes, 1, patternbytes, 8);
-	src = work_colorexp;
-	s->cirrus_blt_mode &= ~CIRRUS_BLTMODE_COLOREXPAND;
-    }
-    if (s->cirrus_blt_mode & ~CIRRUS_BLTMODE_PATTERNCOPY) {
-#ifdef DEBUG_BITBLT
-	printf("cirrus: blt mode %02x (pattercopy) - unimplemented\n",
-	       s->cirrus_blt_mode);
-#endif
-	return 0;
-    }
-    
     dst = s->vram_ptr + s->cirrus_blt_dstaddr;
     (*s->cirrus_rop) (s, dst, src,
                       s->cirrus_blt_dstpitch, 0, 
@@ -728,6 +728,7 @@ static int cirrus_bitblt_cputovideo(CirrusVGAState * s)
 	if (s->cirrus_blt_mode & CIRRUS_BLTMODE_COLOREXPAND) {
 	    s->cirrus_blt_srcpitch = 8;
 	} else {
+            /* XXX: check for 24 bpp */
 	    s->cirrus_blt_srcpitch = 8 * 8 * s->cirrus_blt_pixelwidth;
 	}
 	s->cirrus_srccounter = s->cirrus_blt_srcpitch;
@@ -848,20 +849,32 @@ static void cirrus_bitblt_start(CirrusVGAState * s)
             CIRRUS_BLTMODE_COLOREXPAND) {
             if (s->cirrus_blt_mode & CIRRUS_BLTMODE_TRANSPARENTCOMP) {
-                if (s->cirrus_blt_modeext & CIRRUS_BLTMODEEXT_COLOREXPINV) {
+                if (s->cirrus_blt_modeext & CIRRUS_BLTMODEEXT_COLOREXPINV)
                     cirrus_bitblt_bgcol(s);
-                    s->cirrus_rop = cirrus_colorexpand_transp_inv[rop_to_index[blt_rop]][s->cirrus_blt_pixelwidth - 1];
-                } else {
+                else
                     cirrus_bitblt_fgcol(s);
-                    s->cirrus_rop = cirrus_colorexpand_transp[rop_to_index[blt_rop]][s->cirrus_blt_pixelwidth - 1];
-                }
+                s->cirrus_rop = cirrus_colorexpand_transp[rop_to_index[blt_rop]][s->cirrus_blt_pixelwidth - 1];
             } else {
                 cirrus_bitblt_fgcol(s);
                 cirrus_bitblt_bgcol(s);
                 s->cirrus_rop = cirrus_colorexpand[rop_to_index[blt_rop]][s->cirrus_blt_pixelwidth - 1];
             }
         } else if (s->cirrus_blt_mode & CIRRUS_BLTMODE_PATTERNCOPY) {
-            s->cirrus_rop = cirrus_patternfill[rop_to_index[blt_rop]][s->cirrus_blt_pixelwidth - 1];
+            if (s->cirrus_blt_mode & CIRRUS_BLTMODE_COLOREXPAND) {
+                if (s->cirrus_blt_mode & CIRRUS_BLTMODE_TRANSPARENTCOMP) {
+                    if (s->cirrus_blt_modeext & CIRRUS_BLTMODEEXT_COLOREXPINV)
+                        cirrus_bitblt_bgcol(s);
+                    else
+                        cirrus_bitblt_fgcol(s);
+                    s->cirrus_rop = cirrus_colorexpand_pattern_transp[rop_to_index[blt_rop]][s->cirrus_blt_pixelwidth - 1];
+                } else {
+                    cirrus_bitblt_fgcol(s);
+                    cirrus_bitblt_bgcol(s);
+                    s->cirrus_rop = cirrus_colorexpand_pattern[rop_to_index[blt_rop]][s->cirrus_blt_pixelwidth - 1];
+                }
+            } else {
+                s->cirrus_rop = cirrus_patternfill[rop_to_index[blt_rop]][s->cirrus_blt_pixelwidth - 1];
+            }
         } else {
             if (s->cirrus_blt_mode & CIRRUS_BLTMODE_BACKWARDS) {
                 s->cirrus_blt_dstpitch = -s->cirrus_blt_dstpitch;
@@ -2793,9 +2806,10 @@ static void cirrus_init_common(CirrusVGAState * s, int device_id, int is_pci)
                                  vga_io_memory);
     s->sr[0x06] = 0x0f;
-    s->sr[0x1F] = 0x22;		// MemClock
     if (device_id == CIRRUS_ID_CLGD5446) {
         /* 4MB 64 bit memory config, always PCI */
+        s->sr[0x1F] = 0x2d;		// MemClock
+        s->gr[0x18] = 0x0f;             // fastest memory configuration
 #if 1
         s->sr[0x0f] = 0x98;
         s->sr[0x17] = 0x20;
@@ -2808,6 +2822,7 @@ static void cirrus_init_common(CirrusVGAState * s, int device_id, int is_pci)
         s->real_vram_size = 2048 * 1024;
 #endif
     } else {
+        s->sr[0x1F] = 0x22;		// MemClock
         s->sr[0x0F] = CIRRUS_MEMSIZE_2M;
         if (is_pci) 
             s->sr[0x17] = CIRRUS_BUSTYPE_PCI;
@@ -67,6 +67,12 @@ glue(glue(glue(cirrus_patternfill_, ROP_NAME), _),DEPTH)
 #elif DEPTH == 16
             col = ((uint16_t *)(src1 + pattern_x))[0];
             pattern_x = (pattern_x + 2) & 15;
+#elif DEPTH == 24
+            {
+                const uint8_t *src2 = src1 + pattern_x * 3;
+                col = src2[0] | (src2[1] << 8) | (src2[2] << 16);
+                pattern_x = (pattern_x + 1) & 7;
+            }
 #else
             col = ((uint32_t *)(src1 + pattern_x))[0];
             pattern_x = (pattern_x + 4) & 31;
@@ -89,21 +95,28 @@ glue(glue(glue(cirrus_colorexpand_transp_, ROP_NAME), _),DEPTH)
 {
     uint8_t *d;
     int x, y;
-    unsigned bits;
+    unsigned bits, bits_xor;
     unsigned int col;
     unsigned bitmask;
     unsigned index;
     int srcskipleft = 0;
-    col = s->cirrus_blt_fgcol;
+    if (s->cirrus_blt_modeext & CIRRUS_BLTMODEEXT_COLOREXPINV) {
+        bits_xor = 0xff;
+        col = s->cirrus_blt_bgcol;
+    } else {
+        bits_xor = 0x00;
+        col = s->cirrus_blt_fgcol;
+    }
+
     for(y = 0; y < bltheight; y++) {
         bitmask = 0x80 >> srcskipleft;
-        bits = *src++;
+        bits = *src++ ^ bits_xor;
         d = dst;
         for (x = 0; x < bltwidth; x += (DEPTH / 8)) {
             if ((bitmask & 0xff) == 0) {
                 bitmask = 0x80;
-                bits = *src++;
+                bits = *src++ ^ bits_xor;
             }
             index = (bits & bitmask);
             if (index) {
@@ -116,23 +129,23 @@ glue(glue(glue(cirrus_colorexpand_transp_, ROP_NAME), _),DEPTH)
     }
 }
-/* NOTE: srcpitch is ignored */
 static void
-glue(glue(glue(cirrus_colorexpand_transp_inv_, ROP_NAME), _),DEPTH)
+glue(glue(glue(cirrus_colorexpand_, ROP_NAME), _),DEPTH)
      (CirrusVGAState * s, uint8_t * dst,
       const uint8_t * src, 
       int dstpitch, int srcpitch, 
       int bltwidth, int bltheight)
 {
+    uint32_t colors[2];
     uint8_t *d;
     int x, y;
     unsigned bits;
     unsigned int col;
     unsigned bitmask;
-    unsigned index;
     int srcskipleft = 0;
-    col = s->cirrus_blt_bgcol;
+    colors[0] = s->cirrus_blt_bgcol;
+    colors[1] = s->cirrus_blt_fgcol;
     for(y = 0; y < bltheight; y++) {
         bitmask = 0x80 >> srcskipleft;
         bits = *src++;
@@ -142,19 +155,54 @@ glue(glue(glue(cirrus_colorexpand_transp_inv_, ROP_NAME), _),DEPTH)
                 bitmask = 0x80;
                 bits = *src++;
             }
-            index = (bits & bitmask);
-            if (!index) {
+            col = colors[!!(bits & bitmask)];
+            PUTPIXEL();
+            d += (DEPTH / 8);
+            bitmask >>= 1;
+        }
+        dst += dstpitch;
+    }
+}
+
+static void
+glue(glue(glue(cirrus_colorexpand_pattern_transp_, ROP_NAME), _),DEPTH)
+     (CirrusVGAState * s, uint8_t * dst,
+      const uint8_t * src, 
+      int dstpitch, int srcpitch, 
+      int bltwidth, int bltheight)
+{
+    uint8_t *d;
+    int x, y, bitpos, pattern_y;
+    unsigned int bits, bits_xor;
+    unsigned int col;
+
+    if (s->cirrus_blt_modeext & CIRRUS_BLTMODEEXT_COLOREXPINV) {
+        bits_xor = 0xff;
+        col = s->cirrus_blt_bgcol;
+    } else {
+        bits_xor = 0x00;
+        col = s->cirrus_blt_fgcol;
+    }
+    pattern_y = s->cirrus_blt_srcaddr & 7;
+
+    for(y = 0; y < bltheight; y++) {
+        bits = src[pattern_y] ^ bits_xor;
+        bitpos = 7;
+        d = dst;
+        for (x = 0; x < bltwidth; x += (DEPTH / 8)) {
+            if ((bits >> bitpos) & 1) {
                 PUTPIXEL();
             }
             d += (DEPTH / 8);
-            bitmask >>= 1;
+            bitpos = (bitpos - 1) & 7;
         }
+        pattern_y = (pattern_y + 1) & 7;
         dst += dstpitch;
     }
 }
 static void
-glue(glue(glue(cirrus_colorexpand_, ROP_NAME), _),DEPTH)
+glue(glue(glue(cirrus_colorexpand_pattern_, ROP_NAME), _),DEPTH)
      (CirrusVGAState * s, uint8_t * dst,
       const uint8_t * src, 
       int dstpitch, int srcpitch, 
@@ -162,28 +210,25 @@ glue(glue(glue(cirrus_colorexpand_, ROP_NAME), _),DEPTH)
 {
     uint32_t colors[2];
     uint8_t *d;
-    int x, y;
-    unsigned bits;
+    int x, y, bitpos, pattern_y;
+    unsigned int bits;
     unsigned int col;
-    unsigned bitmask;
-    int srcskipleft = 0;
     colors[0] = s->cirrus_blt_bgcol;
     colors[1] = s->cirrus_blt_fgcol;
+    pattern_y = s->cirrus_blt_srcaddr & 7;
+
     for(y = 0; y < bltheight; y++) {
-        bitmask = 0x80 >> srcskipleft;
-        bits = *src++;
+        bits = src[pattern_y];
+        bitpos = 7;
         d = dst;
         for (x = 0; x < bltwidth; x += (DEPTH / 8)) {
-            if ((bitmask & 0xff) == 0) {
-                bitmask = 0x80;
-                bits = *src++;
-            }
-            col = colors[!!(bits & bitmask)];
+            col = colors[(bits >> bitpos) & 1];
             PUTPIXEL();
             d += (DEPTH / 8);
-            bitmask >>= 1;
+            bitpos = (bitpos - 1) & 7;
         }
+        pattern_y = (pattern_y + 1) & 7;
         dst += dstpitch;
     }
 }