valter/dosbox-staging
1
0
Fork 0
Code Releases Activity

Fixed advmame2x scaler to work with new line mode

Browse source 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1633
This commit is contained in:
Sjoerd van der Berg 2004-01-31 22:38:27 +00:00
parent 1f0493d050
commit 8a0520845e
3 changed files with 73 additions and 42 deletions
Download patch file Download diff file Expand all files Collapse all files

49
src/gui/render.cpp
View file

@ -16,7 +16,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* $Id: render.cpp,v 1.24 2004-01-30 13:40:49 qbix79 Exp $ */
/* $Id: render.cpp,v 1.25 2004-01-31 22:38:27 harekiet Exp $ */
#include <sys/types.h>
#include <dirent.h>
@ -81,12 +81,7 @@ static struct {
PalData pal;
struct {
Bit8u hlines[RENDER_MAXHEIGHT];
Bit16u hindex[RENDER_MAXHEIGHT];
} normal;
struct {
Bit16u hindex[RENDER_MAXHEIGHT];
Bitu line_starts[RENDER_MAXHEIGHT][3];
} advmame2x;
#if (C_SSHOT)
struct {
RENDER_Operation type;
@ -101,7 +96,9 @@ static struct {
bool updating;
} render;
Bit8u render_line_cache[4][RENDER_MAXWIDTH*4]; //Bit32u pixels
RENDER_Line_Handler RENDER_DrawLine;
Bit8u * RENDER_TempLine;
/* Forward declerations */
static void RENDER_ResetPal(void);
@ -279,10 +276,12 @@ bool RENDER_StartUpdate(void) {
render.frameskip.count=0;
if (render.src.bpp==8) Check_Palette();
render.op.line=0;
RENDER_TempLine=render_line_cache[0];
switch (render.op.type) {
case OP_None:
case OP_Normal2x:
case OP_AdvMame2x:
am2x.cmd_index=am2x.cmd_data;
if (!GFX_StartUpdate(render.op.pixels,render.op.pitch)) return false;
RENDER_DrawLine=render.op.line_handler;;
break;
@ -338,16 +337,6 @@ void RENDER_EndUpdate(void) {
render.updating=false;
}
static void SetAdvMameTable(Bitu index,Bits src0,Bits src1,Bits src2) {
if (src0<0) src0=0;
if ((Bitu)src0>=render.src.height) src0=render.src.height-1;
if ((Bitu)src1>=render.src.height) src1=render.src.height-1;
if ((Bitu)src2>=render.src.height) src2=render.src.height-1;
render.advmame2x.line_starts[index][0]=src0*render.src.pitch;
render.advmame2x.line_starts[index][1]=src1*render.src.pitch;
render.advmame2x.line_starts[index][2]=src2*render.src.pitch;
}
void RENDER_ReInit(void) {
if (render.updating) RENDER_EndUpdate();
Bitu width=render.src.width;
@ -382,7 +371,6 @@ normalop:
gfx_scaleh*=scaleh;
render.op.line_handler=Normal_8[index];
for (Bitu i=0;i<render.src.height;i++) {
render.normal.hindex[i]=i;
render.normal.hlines[i]=0;
}
} else {
@ -397,13 +385,12 @@ normalop:
} else render.op.line_handler=Normal_8[index];
width*=scalew;
double lines=0.0;
gfx_scaleh=(gfx_scaleh*render.src.height-(double)render.src.height)/(double)render.src.height;
height=0;
for (Bitu i=0;i<render.src.height;i++) {
render.normal.hindex[i]=height++;
lines+=gfx_scaleh;
Bitu temp_lines=(Bitu)(lines);
lines=lines+gfx_scaleh-temp_lines;
render.normal.hlines[i]=temp_lines;
lines-=temp_lines;
render.normal.hlines[i]=(temp_lines>0) ? temp_lines-1 : 0;
height+=temp_lines;
}
}
@ -424,29 +411,31 @@ normalop:
double src_add=(double)height/(double)render.src.height;
double src_index=0;
double src_lines=0;
Bitu src_done=0;
Bitu height=0;
am2x.cmd_index=am2x.cmd_data;
am2x.buf_pos=0;am2x.buf_used=0;
for (i=0;i<=(Bits)render.src.height;i++) {
render.advmame2x.hindex[i]=(Bitu)src_index;
src_lines+=src_add;
Bitu lines=(Bitu)src_lines;
src_lines-=lines;
src_index+=src_add;
src_lines+=src_add;
switch (lines) {
case 0:
break;
case 1:
SetAdvMameTable(height++,i,i,i);
AdvMame2x_AddLine(i,i,i);
break;
case 2:
SetAdvMameTable(height++,i-1,i,i+1);
SetAdvMameTable(height++,i+1,i,i-1);
AdvMame2x_AddLine(i-1,i,i+1);
AdvMame2x_AddLine(i+1,i,i-1);
break;
default:
SetAdvMameTable(height++,i-1,i,i+1);
for (lines-=2;lines>0;lines--) SetAdvMameTable(height++,i,i,i);
SetAdvMameTable(height++,i+1,i,i-1);
AdvMame2x_AddLine(i-1,i,i+1);
for (lines-=2;lines>0;lines--) AdvMame2x_AddLine(i,i,i);
AdvMame2x_AddLine(i+1,i,i-1);
break;
}
AdvMame2x_CheckLines(i);
}
render.op.line_handler=AdvMame2x_8_Table[index];
}