Changeset 3597 for trunk/src/opengl/mesa/interp_tmp.h

Timestamp:

May 23, 2000, 10:35:01 PM (25 years ago)

Author:

jeroen

Message:

* empty log message *

File:

• trunk/src/opengl/mesa/interp_tmp.h (modified) (6 diffs)

trunk/src/opengl/mesa/interp_tmp.h

@@ -1 @@
-/* $Id: interp_tmp.h,v 1.1 2000-02-29 00:48:32 sandervl Exp $ */
+/* $Id: interp_tmp.h,v 1.2 2000-05-23 20:34:51 jeroen Exp $ */
 
 /*
@@ -25 +25 @@
  */
 
+#define INTERP_UBYTE( out, t, a, b ) {                  \
+      GLfloat fa = UBYTE_COLOR_TO_FLOAT_COLOR(a);       \
+      GLfloat fb = UBYTE_COLOR_TO_FLOAT_COLOR(b);       \
+      GLfloat fo = LINTERP(t, fa, fb);                  \
+      FLOAT_COLOR_TO_UBYTE_COLOR(out, fo);              \
+}
+
+#if 1
+
+#define INTERP_RGBA(nr, t, out, a, b) {                 \
+   int i;                                               \
+   for (i = 0; i < nr; i++) {                           \
+      GLfloat fa = UBYTE_COLOR_TO_FLOAT_COLOR(a[i]);    \
+      GLfloat fb = UBYTE_COLOR_TO_FLOAT_COLOR(b[i]);    \
+      GLfloat fo = LINTERP(t, fa, fb);                  \
+      FLOAT_COLOR_TO_UBYTE_COLOR(out[i], fo);           \
+   }                                                    \
+}
+#else
+
+#define INTERP_RGBA(nr, t, out, a, b) {                         \
+   int n;                                                       \
+   const GLuint ti = FloatToInt(t*256.0F);                      \
+   const GLubyte *Ib = (const GLubyte *)&a[0];                  \
+   const GLubyte *Jb = (const GLubyte *)&b[0];                  \
+   GLubyte *Ob = (GLubyte *)&out[0];                            \
+                                                                \
+   for (n = 0 ; n < nr ; n++)                                   \
+      Ob[n] = (GLubyte) (Ib[n] + ((ti * (Jb[n] - Ib[n]))/256)); \
+}
+#endif
 
 static void NAME( struct vertex_buffer *VB,
-                  GLuint dst, GLfloat t, GLuint in, GLuint out )
+                  GLuint dst, GLfloat t, GLuint in, GLuint out )
 {
-#if (IND & (CLIP_RGBA0|CLIP_FOG_COORD))
-   GLfloat col[3][4];
-#endif
-
    (void) VB;
    (void) dst;
@@ -40 +67 @@
 
 #if (IND & CLIP_RGBA0)
-   UBYTE_RGBA_TO_FLOAT_RGBA(col[1], VB->Color[0]->data[in]);
-   UBYTE_RGBA_TO_FLOAT_RGBA(col[2], VB->Color[0]->data[out]);
-   INTERP_SZ( t, col, 0, 1, 2, 4 );
-   FLOAT_RGBA_TO_UBYTE_RGBA(VB->Color[0]->data[dst], col[0]);
+   INTERP_RGBA( 4, t,
+                VB->Color[0]->data[dst],
+                VB->Color[0]->data[in],
+                VB->Color[0]->data[out] );
 #endif
 
 #if (IND & CLIP_RGBA1)
    if (VB->ctx->TriangleCaps & DD_TRI_LIGHT_TWOSIDE) {
-      UBYTE_RGBA_TO_FLOAT_RGBA(col[1], VB->Color[1]->data[in]);
-      UBYTE_RGBA_TO_FLOAT_RGBA(col[2], VB->Color[1]->data[out]);
-      INTERP_SZ( t, col, 0, 1, 2, 4 );
-      FLOAT_RGBA_TO_UBYTE_RGBA(VB->Color[1]->data[dst], col[0]);
+      INTERP_RGBA( 4, t,
+                   VB->Color[1]->data[dst],
+                   VB->Color[1]->data[in],
+                   VB->Color[1]->data[out] );
    }
 
    if (VB->ctx->TriangleCaps & DD_SEPERATE_SPECULAR)
    {
-      UBYTE_RGBA_TO_FLOAT_RGBA(col[1], VB->Spec[0][in]);
-      UBYTE_RGBA_TO_FLOAT_RGBA(col[2], VB->Spec[0][out]);
-      INTERP_SZ( t, col, 0, 1, 2, 3 );
-      FLOAT_RGBA_TO_UBYTE_RGBA(VB->Spec[0][dst], col[0]);
+      INTERP_RGBA( 3, t,
+                   VB->Spec[0][dst],
+                   VB->Spec[0][in],
+                   VB->Spec[0][out] );
 
       if (VB->ctx->TriangleCaps & DD_TRI_LIGHT_TWOSIDE) {
-         UBYTE_RGBA_TO_FLOAT_RGBA(col[1], VB->Spec[1][in]);
-         UBYTE_RGBA_TO_FLOAT_RGBA(col[2], VB->Spec[1][out]);
-         INTERP_SZ( t, col, 0, 1, 2, 3 );
-         FLOAT_RGBA_TO_UBYTE_RGBA(VB->Spec[1][dst], col[0]);
+         INTERP_RGBA( 3, t,
+                      VB->Spec[1][dst],
+                      VB->Spec[1][in],
+                      VB->Spec[1][out] );
       }
    }
@@ -71 +98 @@
 
 #if (IND & CLIP_FOG_COORD)
-   col[0][0] = UBYTE_COLOR_TO_FLOAT_COLOR( VB->Spec[0][in][3]);
-   col[0][1] = UBYTE_COLOR_TO_FLOAT_COLOR( VB->Spec[0][out][3]);
-   col[0][2] = LINTERP( t, col[0][0], col[0][1] );
-   FLOAT_COLOR_TO_UBYTE_COLOR(VB->Spec[0][dst][3], col[0][2]);
+   {
+      GLubyte a = VB->Spec[0][in][3], b = VB->Spec[0][out][3];
+      INTERP_UBYTE( VB->Spec[0][dst][3], t, a, b );
+   }
 #endif
 
@@ -81 +108 @@
    VB->IndexPtr->data[dst] = (GLuint) (GLint)
       LINTERP( t,
-               (GLfloat) VB->Index[0]->data[in],
-               (GLfloat) VB->Index[0]->data[out] );
+               (GLfloat) VB->Index[0]->data[in],
+               (GLfloat) VB->Index[0]->data[out] );
 #endif
 
@@ -88 +115 @@
    VB->Index[1]->data[dst] = (GLuint) (GLint)
       LINTERP( t,
-               (GLfloat) VB->Index[1]->data[in],
-               (GLfloat) VB->Index[1]->data[out] );
+               (GLfloat) VB->Index[1]->data[in],
+               (GLfloat) VB->Index[1]->data[out] );
 #endif
 
 #if (IND & CLIP_TEX0)
    INTERP_SZ( t,
-              VB->TexCoordPtr[0]->data,
-              dst, in, out,
-              VB->TexCoordPtr[0]->size );
+              VB->TexCoordPtr[0]->data,
+              dst, in, out,
+              VB->TexCoordPtr[0]->size );
 #endif
 
 #if (IND & CLIP_TEX1)
    INTERP_SZ( t,
-              VB->TexCoordPtr[1]->data,
-              dst, in, out,
-              VB->TexCoordPtr[1]->size );
+              VB->TexCoordPtr[1]->data,
+              dst, in, out,
+              VB->TexCoordPtr[1]->size );
 #endif
 }