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Added PARB support.

This commit is contained in:
Miklos Fazekas 1999-10-05 19:51:15 +00:00
parent 3af541c541
commit a7313e045d
1 changed files with 45 additions and 0 deletions
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45
src/mesa/drivers/glide/fxglidew.h
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@ -155,6 +155,50 @@ typedef struct {
float oow; /* 1/w (used mipmapping - really 0xfff/w) */
} GrTmuVertex;
#if FX_USE_PARGB
typedef struct
{
float x, y; /* X and Y in screen space */
float ooz; /* 65535/Z (used for Z-buffering) */
float oow; /* 1/W (used for W-buffering, texturing) */
FxU32 argb; /* R, G, B, A [0..255.0] */
GrTmuVertex tmuvtx[GLIDE_NUM_TMU];
float z; /* Z is ignored */
} GrVertex;
#define GR_VERTEX_X_OFFSET 0
#define GR_VERTEX_Y_OFFSET 1
#define GR_VERTEX_OOZ_OFFSET 2
#define GR_VERTEX_OOW_OFFSET 3
#define GR_VERTEX_PARGB_OFFSET 4
#define GR_VERTEX_SOW_TMU0_OFFSET 5
#define GR_VERTEX_TOW_TMU0_OFFSET 6
#define GR_VERTEX_OOW_TMU0_OFFSET 7
#define GR_VERTEX_SOW_TMU1_OFFSET 8
#define GR_VERTEX_TOW_TMU1_OFFSET 9
#define GR_VERTEX_OOW_TMU1_OFFSET 10
#define GR_VERTEX_Z_OFFSET 11
#define GET_PARGB(v) ((FxU32*)(v))[GR_VERTEX_PARGB_OFFSET]
/* GET_PA: returns the alpha component */
#if GLIDE_ENDIAN == GLIDE_ENDIAN_BIG
#define GET_PA(v) ((FxU8*)(v))[GR_VERTEX_PARGB_OFFSET*4]
#else
#define GET_PA(v) ((FxU8*)(v))[GR_VERTEX_PARGB_OFFSET*4+3]
#endif
#define MESACOLOR2PARGB(c) (c[ACOMP] << 24 | c[GCOMP] << 16 | c[GCOMP] << 8 | c[BCOMP])
#define PACK_4F_ARGB(dest,a,r,g,b) { \
const GLuint cr = (int)r; \
const GLuint cg = (int)g; \
const GLuint ca = (int)a; \
const GLuint cb = (int)b; \
dest = ca << 24 | cr << 16 | cg << 8 | cb; \
}
#else /* FX_USE_PARGB */
typedef struct
{
float x, y; /* X and Y in screen space */
@ -180,6 +224,7 @@ typedef struct
#define GR_VERTEX_SOW_TMU1_OFFSET 12
#define GR_VERTEX_TOW_TMU1_OFFSET 13
#define GR_VERTEX_OOW_TMU1_OFFSET 14
#endif /* FX_USE_PARGB */
#endif