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authorMiklos Fazekas <[email protected]>1999-10-05 19:51:15 +0000
committerMiklos Fazekas <[email protected]>1999-10-05 19:51:15 +0000
commita7313e045dfd1ab439e8e01664d402ea9ce0a37e (patch)
tree4ee6b06592f11ec2e89e4d6b1a67b4aaeda52307 /src/mesa/drivers/glide
parent3af541c541b42986c7fe2cbd5d0ccf5aebc01593 (diff)
Added PARB support.
Diffstat (limited to 'src/mesa/drivers/glide')
-rw-r--r--src/mesa/drivers/glide/fxglidew.h45
1 files changed, 45 insertions, 0 deletions
diff --git a/src/mesa/drivers/glide/fxglidew.h b/src/mesa/drivers/glide/fxglidew.h
index 17f395686c4..c02045f4597 100644
--- a/src/mesa/drivers/glide/fxglidew.h
+++ b/src/mesa/drivers/glide/fxglidew.h
@@ -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