--- /dev/null
+/*
+ * QEMU Cirrus CLGD 54xx VGA Emulator.
+ *
+ * Copyright (c) 2004 Fabrice Bellard
+ *
+ * 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
+ * THE AUTHORS OR COPYRIGHT HOLDERS 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.
+ */
+
+static inline void glue(rop_8_,ROP_NAME)(uint8_t *dst, uint8_t src)
+{
+ *dst = ROP_FN(*dst, src);
+}
+
+static inline void glue(rop_16_,ROP_NAME)(uint16_t *dst, uint16_t src)
+{
+ *dst = ROP_FN(*dst, src);
+}
+
+static inline void glue(rop_32_,ROP_NAME)(uint32_t *dst, uint32_t src)
+{
+ *dst = ROP_FN(*dst, src);
+}
+
+#define ROP_OP(d, s) glue(rop_8_,ROP_NAME)(d, s)
+#define ROP_OP_16(d, s) glue(rop_16_,ROP_NAME)(d, s)
+#define ROP_OP_32(d, s) glue(rop_32_,ROP_NAME)(d, s)
+#undef ROP_FN
+
+static void
+glue(cirrus_bitblt_rop_fwd_, ROP_NAME)(CirrusVGAState *s,
+ uint8_t *dst,const uint8_t *src,
+ int dstpitch,int srcpitch,
+ int bltwidth,int bltheight)
+{
+ int x,y;
+ dstpitch -= bltwidth;
+ srcpitch -= bltwidth;
+
+ if (bltheight > 1 && (dstpitch < 0 || srcpitch < 0)) {
+ return;
+ }
+
+ for (y = 0; y < bltheight; y++) {
+ for (x = 0; x < bltwidth; x++) {
+ ROP_OP(dst, *src);
+ dst++;
+ src++;
+ }
+ dst += dstpitch;
+ src += srcpitch;
+ }
+}
+
+static void
+glue(cirrus_bitblt_rop_bkwd_, ROP_NAME)(CirrusVGAState *s,
+ uint8_t *dst,const uint8_t *src,
+ int dstpitch,int srcpitch,
+ int bltwidth,int bltheight)
+{
+ int x,y;
+ dstpitch += bltwidth;
+ srcpitch += bltwidth;
+ for (y = 0; y < bltheight; y++) {
+ for (x = 0; x < bltwidth; x++) {
+ ROP_OP(dst, *src);
+ dst--;
+ src--;
+ }
+ dst += dstpitch;
+ src += srcpitch;
+ }
+}
+
+static void
+glue(glue(cirrus_bitblt_rop_fwd_transp_, ROP_NAME),_8)(CirrusVGAState *s,
+ uint8_t *dst,const uint8_t *src,
+ int dstpitch,int srcpitch,
+ int bltwidth,int bltheight)
+{
+ int x,y;
+ uint8_t p;
+ dstpitch -= bltwidth;
+ srcpitch -= bltwidth;
+ for (y = 0; y < bltheight; y++) {
+ for (x = 0; x < bltwidth; x++) {
+ p = *dst;
+ ROP_OP(&p, *src);
+ if (p != s->vga.gr[0x34]) *dst = p;
+ dst++;
+ src++;
+ }
+ dst += dstpitch;
+ src += srcpitch;
+ }
+}
+
+static void
+glue(glue(cirrus_bitblt_rop_bkwd_transp_, ROP_NAME),_8)(CirrusVGAState *s,
+ uint8_t *dst,const uint8_t *src,
+ int dstpitch,int srcpitch,
+ int bltwidth,int bltheight)
+{
+ int x,y;
+ uint8_t p;
+ dstpitch += bltwidth;
+ srcpitch += bltwidth;
+ for (y = 0; y < bltheight; y++) {
+ for (x = 0; x < bltwidth; x++) {
+ p = *dst;
+ ROP_OP(&p, *src);
+ if (p != s->vga.gr[0x34]) *dst = p;
+ dst--;
+ src--;
+ }
+ dst += dstpitch;
+ src += srcpitch;
+ }
+}
+
+static void
+glue(glue(cirrus_bitblt_rop_fwd_transp_, ROP_NAME),_16)(CirrusVGAState *s,
+ uint8_t *dst,const uint8_t *src,
+ int dstpitch,int srcpitch,
+ int bltwidth,int bltheight)
+{
+ int x,y;
+ uint8_t p1, p2;
+ dstpitch -= bltwidth;
+ srcpitch -= bltwidth;
+ for (y = 0; y < bltheight; y++) {
+ for (x = 0; x < bltwidth; x+=2) {
+ p1 = *dst;
+ p2 = *(dst+1);
+ ROP_OP(&p1, *src);
+ ROP_OP(&p2, *(src + 1));
+ if ((p1 != s->vga.gr[0x34]) || (p2 != s->vga.gr[0x35])) {
+ *dst = p1;
+ *(dst+1) = p2;
+ }
+ dst+=2;
+ src+=2;
+ }
+ dst += dstpitch;
+ src += srcpitch;
+ }
+}
+
+static void
+glue(glue(cirrus_bitblt_rop_bkwd_transp_, ROP_NAME),_16)(CirrusVGAState *s,
+ uint8_t *dst,const uint8_t *src,
+ int dstpitch,int srcpitch,
+ int bltwidth,int bltheight)
+{
+ int x,y;
+ uint8_t p1, p2;
+ dstpitch += bltwidth;
+ srcpitch += bltwidth;
+ for (y = 0; y < bltheight; y++) {
+ for (x = 0; x < bltwidth; x+=2) {
+ p1 = *(dst-1);
+ p2 = *dst;
+ ROP_OP(&p1, *(src - 1));
+ ROP_OP(&p2, *src);
+ if ((p1 != s->vga.gr[0x34]) || (p2 != s->vga.gr[0x35])) {
+ *(dst-1) = p1;
+ *dst = p2;
+ }
+ dst-=2;
+ src-=2;
+ }
+ dst += dstpitch;
+ src += srcpitch;
+ }
+}
+
+#define DEPTH 8
+#include "cirrus_vga_rop2.h"
+
+#define DEPTH 16
+#include "cirrus_vga_rop2.h"
+
+#define DEPTH 24
+#include "cirrus_vga_rop2.h"
+
+#define DEPTH 32
+#include "cirrus_vga_rop2.h"
+
+#undef ROP_NAME
+#undef ROP_OP
+#undef ROP_OP_16
+#undef ROP_OP_32
Code Review / kvmfornfv.git / blobdiff