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render: support C_INVERT on fx-CG 50

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Lephe 2021-05-11 15:08:42 +02:00
parent 31dcc6fd6c
commit 99403a9504
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4 changed files with 15 additions and 4 deletions
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1
include/gint/display-cg.h
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@ -46,6 +46,7 @@ enum {
C_BLUE = 0x001f, C_BLUE = 0x001f,
C_NONE = -1, C_NONE = -1,
C_INVERT = -2,
}; };
/* RGB color maker. Takes three channels of value 0..31 each (the extra bit of /* RGB color maker. Takes three channels of value 0..31 each (the extra bit of

4
include/gint/display.h
View file

@ -89,7 +89,7 @@ void dclear(color_t color);
@x1 @y1 Top-left rectangle corner (included) @x1 @y1 Top-left rectangle corner (included)
@x2 @y2 Bottom-right rectangle corner (included) @x2 @y2 Bottom-right rectangle corner (included)
@color fx-9860G: white light* dark* black none invert lighten* darken* @color fx-9860G: white light* dark* black none invert lighten* darken*
fx-CG 50: Any R5G6B5 color or C_NONE fx-CG 50: Any R5G6B5 color, C_NONE or C_INVERT
*: When the gray engine is on, see dgray(). */ *: When the gray engine is on, see dgray(). */
void drect(int x1, int y1, int x2, int y2, int color); void drect(int x1, int y1, int x2, int y2, int color);
@ -122,7 +122,7 @@ void drect_border(int x1, int y1, int x2, int y2,
@x @y Coordinates of the pixel to repaint @x @y Coordinates of the pixel to repaint
@color fx-9860G: white light* dark* black none invert lighten* darken* @color fx-9860G: white light* dark* black none invert lighten* darken*
fx-CG 50: Any R5G6B5 color or C_NONE fx-CG 50: Any R5G6B5 color, C_NONE or C_INVERT
*: When the gray engine is on, see dgray(). */ *: When the gray engine is on, see dgray(). */
void dpixel(int x, int y, int color); void dpixel(int x, int y, int color);

4
src/render-cg/dpixel.c
View file

@ -5,6 +5,8 @@ void dpixel(int x, int y, int color)
{ {
/* Coordinate checks */ /* Coordinate checks */
if((uint)x >= 396 || (uint)y >= 224 || color == C_NONE) return; if((uint)x >= 396 || (uint)y >= 224 || color == C_NONE) return;
int index = 396 * y + x;
gint_vram[396 * y + x] = color; if(color == C_INVERT) gint_vram[index] ^= 0xffff;
else gint_vram[index] = color;
} }

10
src/render-cg/drect.c
View file

@ -31,7 +31,15 @@ void drect(int x1, int y1, int x2, int y2, int color)
uint32_t op = (color << 16) | color; uint32_t op = (color << 16) | color;
int width = (ax2 - ax1) >> 1; int width = (ax2 - ax1) >> 1;
for(int h = height; h; h--) if(color == C_INVERT) for(int h = height; h; h--)
{
base[x1] ^= 0xffff;
base[x2] ^= 0xffff;
for(int w = 0; w < width; w++) v[w] ^= 0xffffffff;
v += 198;
base += 396;
}
else for(int h = height; h; h--)
{ {
base[x1] = color; base[x1] = color;
base[x2] = color; base[x2] = color;