diff options
Diffstat (limited to 'src/mesa/drivers/osmesa')
| -rw-r--r-- | src/mesa/drivers/osmesa/osmesa.c | 49 |
1 files changed, 6 insertions, 43 deletions
diff --git a/src/mesa/drivers/osmesa/osmesa.c b/src/mesa/drivers/osmesa/osmesa.c index 190bbf8c76b..f1baa866d89 100644 --- a/src/mesa/drivers/osmesa/osmesa.c +++ b/src/mesa/drivers/osmesa/osmesa.c @@ -303,20 +303,11 @@ get_buffer_size( GLframebuffer *buffer, GLuint *width, GLuint *height ) -/**********************************************************************/ -/***** Optimized line rendering *****/ -/**********************************************************************/ - +/** + * Macros for optimized line/triangle rendering. + * Only for 8-bit channel, RGBA, BGRA, ARGB formats. + */ -#if CHAN_TYPE == GL_FLOAT -#define PACK_RGBA(DST, R, G, B, A) \ -do { \ - (DST)[0] = MAX2( R, 0.0F ); \ - (DST)[1] = MAX2( G, 0.0F ); \ - (DST)[2] = MAX2( B, 0.0F ); \ - (DST)[3] = CLAMP(A, 0.0F, CHAN_MAXF);\ -} while (0) -#else #define PACK_RGBA(DST, R, G, B, A) \ do { \ (DST)[osmesa->rInd] = R; \ @@ -324,39 +315,11 @@ do { \ (DST)[osmesa->bInd] = B; \ (DST)[osmesa->aInd] = A; \ } while (0) -#endif - -#define PACK_RGB(DST, R, G, B) \ -do { \ - (DST)[0] = R; \ - (DST)[1] = G; \ - (DST)[2] = B; \ -} while (0) - -#define PACK_BGR(DST, R, G, B) \ -do { \ - (DST)[0] = B; \ - (DST)[1] = G; \ - (DST)[2] = R; \ -} while (0) - -#define PACK_RGB_565(DST, R, G, B) \ -do { \ - (DST) = (((int) (R) << 8) & 0xf800) | (((int) (G) << 3) & 0x7e0) | ((int) (B) >> 3);\ -} while (0) -#define UNPACK_RED(P) ( (P)[osmesa->rInd] ) -#define UNPACK_GREEN(P) ( (P)[osmesa->gInd] ) -#define UNPACK_BLUE(P) ( (P)[osmesa->bInd] ) -#define UNPACK_ALPHA(P) ( (P)[osmesa->aInd] ) - -#define PIXELADDR1(X,Y) (osmesa->rowaddr[Y] + (X)) -#define PIXELADDR2(X,Y) (osmesa->rowaddr[Y] + 2 * (X)) -#define PIXELADDR3(X,Y) (osmesa->rowaddr[Y] + 3 * (X)) #define PIXELADDR4(X,Y) (osmesa->rowaddr[Y] + 4 * (X)) -/* +/** * Draw a flat-shaded, RGB line into an osmesa buffer. */ #define NAME flat_rgba_line @@ -379,7 +342,7 @@ do { \ -/* +/** * Draw a flat-shaded, Z-less, RGB line into an osmesa buffer. */ #define NAME flat_rgba_z_line |