mesa: move last bits of GLchan stuff into swrast

This removes the last remnants of the GLchan datatype and associated
macros out of core Mesa and into swrast.

3 files changed, 1 insertions, 99 deletions

diff --git a/src/mesa/main/colormac.h b/src/mesa/main/colormac.h
index 46377ac7c11..0b8864a61eb 100644
--- a/src/mesa/main/colormac.h
+++ b/src/mesa/main/colormac.h
@@ -38,81 +38,6 @@
 #include "mtypes.h"
 
 
-/** \def CHAN_TO_UBYTE
- * Convert from GLchan to GLubyte */
-
-/** \def CHAN_TO_FLOAT
- * Convert from GLchan to GLfloat */
-
-/** \def CLAMPED_FLOAT_TO_CHAN
- * Convert from GLclampf to GLchan */
-
-/** \def UNCLAMPED_FLOAT_TO_CHAN
- * Convert from GLfloat to GLchan */
-
-/** \def COPY_CHAN4
- * Copy a GLchan[4] array */
-
-#if CHAN_BITS == 8
-
-#define CHAN_TO_UBYTE(c)  (c)
-#define CHAN_TO_USHORT(c) (((c) << 8) | (c))
-#define CHAN_TO_SHORT(c)  (((c) << 7) | ((c) >> 1))
-#define CHAN_TO_FLOAT(c)  UBYTE_TO_FLOAT(c)
-
-#define CLAMPED_FLOAT_TO_CHAN(c, f)    CLAMPED_FLOAT_TO_UBYTE(c, f)
-#define UNCLAMPED_FLOAT_TO_CHAN(c, f)  UNCLAMPED_FLOAT_TO_UBYTE(c, f)
-
-#define COPY_CHAN4(DST, SRC)  COPY_4UBV(DST, SRC)
-
-#elif CHAN_BITS == 16
-
-#define CHAN_TO_UBYTE(c)  ((c) >> 8)
-#define CHAN_TO_USHORT(c) (c)
-#define CHAN_TO_SHORT(c)  ((c) >> 1)
-#define CHAN_TO_FLOAT(c)  ((GLfloat) ((c) * (1.0 / CHAN_MAXF)))
-
-#define CLAMPED_FLOAT_TO_CHAN(c, f)    CLAMPED_FLOAT_TO_USHORT(c, f)
-#define UNCLAMPED_FLOAT_TO_CHAN(c, f)  UNCLAMPED_FLOAT_TO_USHORT(c, f)
-
-#define COPY_CHAN4(DST, SRC)  COPY_4V(DST, SRC)
-
-#elif CHAN_BITS == 32
-
-#define CHAN_TO_UBYTE(c)  FLOAT_TO_UBYTE(c)
-#define CHAN_TO_USHORT(c) ((GLushort) (CLAMP((c), 0.0f, 1.0f) * 65535.0))
-#define CHAN_TO_SHORT(c)  ((GLshort) (CLAMP((c), 0.0f, 1.0f) * 32767.0))
-#define CHAN_TO_FLOAT(c)  (c)
-
-#define CLAMPED_FLOAT_TO_CHAN(c, f)  c = (f)
-#define UNCLAMPED_FLOAT_TO_CHAN(c, f)      c = (f)
-
-#define COPY_CHAN4(DST, SRC)  COPY_4V(DST, SRC)
-
-#else
-
-#error unexpected CHAN_BITS size
-
-#endif
-
-
-/**
- * Convert 4 channels at once.
- *
- * \param dst pointer to destination GLchan[4] array.
- * \param f pointer to source GLfloat[4] array.
- *
- * \sa #UNCLAMPED_FLOAT_TO_CHAN.
- */
-#define UNCLAMPED_FLOAT_TO_RGBA_CHAN(dst, f)	\
-do {						\
-   UNCLAMPED_FLOAT_TO_CHAN((dst)[0], (f)[0]);	\
-   UNCLAMPED_FLOAT_TO_CHAN((dst)[1], (f)[1]);	\
-   UNCLAMPED_FLOAT_TO_CHAN((dst)[2], (f)[2]);	\
-   UNCLAMPED_FLOAT_TO_CHAN((dst)[3], (f)[3]);	\
-} while (0)
-
-
 /**
  * Convert four float values in [0,1] to ubytes in [0,255] with clamping.
  */
diff --git a/src/mesa/main/config.h b/src/mesa/main/config.h
index 61b0c1681d4..7b7740ebe4f 100644
--- a/src/mesa/main/config.h
+++ b/src/mesa/main/config.h
@@ -332,7 +332,7 @@
 
 
 /**
- * Bits per color channel:  8, 16 or 32
+ * For swrast, bits per color channel:  8, 16 or 32
  */
 #ifndef CHAN_BITS
 #define CHAN_BITS 8
diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
index 3b44ec6d58f..57373a0bbbd 100644
--- a/src/mesa/main/mtypes.h
+++ b/src/mesa/main/mtypes.h
@@ -44,29 +44,6 @@
 
 
 /**
- * Color channel data type.
- */
-#if CHAN_BITS == 8
-   typedef GLubyte GLchan;
-#define CHAN_MAX 255
-#define CHAN_MAXF 255.0F
-#define CHAN_TYPE GL_UNSIGNED_BYTE
-#elif CHAN_BITS == 16
-   typedef GLushort GLchan;
-#define CHAN_MAX 65535
-#define CHAN_MAXF 65535.0F
-#define CHAN_TYPE GL_UNSIGNED_SHORT
-#elif CHAN_BITS == 32
-   typedef GLfloat GLchan;
-#define CHAN_MAX 1.0
-#define CHAN_MAXF 1.0F
-#define CHAN_TYPE GL_FLOAT
-#else
-#error "illegal number of color channel bits"
-#endif
-
-
-/**
  * Stencil buffer data type.
  */
 #if STENCIL_BITS==8