move _swrast_texture_table_lookup() to _mesa_lookup_rgba_chan()

3 files changed, 10 insertions, 285 deletions

diff --git a/src/mesa/swrast/s_copypix.c b/src/mesa/swrast/s_copypix.c
index 0692adfbff9..51c2f9a6e0f 100644
--- a/src/mesa/swrast/s_copypix.c
+++ b/src/mesa/swrast/s_copypix.c
@@ -184,7 +184,7 @@ copy_conv_rgba_pixels(GLcontext *ctx, GLint srcx, GLint srcy,
       }
       /* GL_COLOR_TABLE lookup */
       if (transferOps & IMAGE_COLOR_TABLE_BIT) {
-         _mesa_lookup_rgba(&ctx->ColorTable, width, rgba);
+         _mesa_lookup_rgba_float(&ctx->ColorTable, width, rgba);
       }
    }
 
@@ -204,7 +204,7 @@ copy_conv_rgba_pixels(GLcontext *ctx, GLint srcx, GLint srcy,
 
       /* GL_POST_CONVOLUTION_COLOR_TABLE lookup */
       if (transferOps & IMAGE_POST_CONVOLUTION_COLOR_TABLE_BIT) {
-         _mesa_lookup_rgba(&ctx->PostConvolutionColorTable, width, rgba);
+         _mesa_lookup_rgba_float(&ctx->PostConvolutionColorTable, width, rgba);
       }
       /* color matrix */
       if (transferOps & IMAGE_COLOR_MATRIX_BIT) {
@@ -212,7 +212,7 @@ copy_conv_rgba_pixels(GLcontext *ctx, GLint srcx, GLint srcy,
       }
       /* GL_POST_COLOR_MATRIX_COLOR_TABLE lookup */
       if (transferOps & IMAGE_POST_COLOR_MATRIX_COLOR_TABLE_BIT) {
-         _mesa_lookup_rgba(&ctx->PostColorMatrixColorTable, width, rgba);
+         _mesa_lookup_rgba_float(&ctx->PostColorMatrixColorTable, width, rgba);
       }
       /* update histogram count */
       if (transferOps & IMAGE_HISTOGRAM_BIT) {
@@ -412,7 +412,7 @@ copy_rgba_pixels(GLcontext *ctx, GLint srcx, GLint srcy,
          }
          /* GL_COLOR_TABLE lookup */
          if (transferOps & IMAGE_COLOR_TABLE_BIT) {
-            _mesa_lookup_rgba(&ctx->ColorTable, width, rgbaFloat);
+            _mesa_lookup_rgba_float(&ctx->ColorTable, width, rgbaFloat);
          }
          /* convolution */
          if (transferOps & IMAGE_CONVOLUTION_BIT) {
@@ -433,7 +433,7 @@ copy_rgba_pixels(GLcontext *ctx, GLint srcx, GLint srcy,
          }
          /* GL_POST_CONVOLUTION_COLOR_TABLE lookup */
          if (transferOps & IMAGE_POST_CONVOLUTION_COLOR_TABLE_BIT) {
-            _mesa_lookup_rgba(&ctx->PostConvolutionColorTable, width, rgbaFloat);
+            _mesa_lookup_rgba_float(&ctx->PostConvolutionColorTable, width, rgbaFloat);
          }
          /* color matrix */
          if (transferOps & IMAGE_COLOR_MATRIX_BIT) {
@@ -441,7 +441,7 @@ copy_rgba_pixels(GLcontext *ctx, GLint srcx, GLint srcy,
          }
          /* GL_POST_COLOR_MATRIX_COLOR_TABLE lookup */
          if (transferOps & IMAGE_POST_COLOR_MATRIX_COLOR_TABLE_BIT) {
-            _mesa_lookup_rgba(&ctx->PostColorMatrixColorTable, width, rgbaFloat);
+            _mesa_lookup_rgba_float(&ctx->PostColorMatrixColorTable, width, rgbaFloat);
          }
          /* update histogram count */
          if (transferOps & IMAGE_HISTOGRAM_BIT) {
diff --git a/src/mesa/swrast/s_texture.c b/src/mesa/swrast/s_texture.c
index 5dff9874d52..22d193381ba 100644
--- a/src/mesa/swrast/s_texture.c
+++ b/src/mesa/swrast/s_texture.c
@@ -28,6 +28,7 @@
 #include "colormac.h"
 #include "macros.h"
 #include "imports.h"
+#include "pixel.h"
 #include "texformat.h"
 #include "teximage.h"
 
@@ -344,277 +345,6 @@ repeat_remainder(GLint a, GLint b)
 #define K1BIT  32
 
 
-/*
- * Do the lookup for GL_SGI_texture_color_table.
- * XXX merge with _mesa_lookup_rgba in pixel.c
- */
-void
-_swrast_texture_table_lookup(const struct gl_color_table *table,
-                             GLuint n, GLchan rgba[][4])
-{
-   if (!table->Table || table->Size == 0)
-      return;
-
-   switch (table->Format) {
-      case GL_INTENSITY:
-         /* replace RGBA with I */
-         if (table->Type == GL_FLOAT) {
-            const GLfloat scale = (GLfloat) (table->Size - 1) / CHAN_MAXF;
-            const GLfloat *lut = (const GLfloat *) table->Table;
-            GLuint i;
-            for (i = 0; i < n; i++) {
-               GLint j = IROUND((GLfloat) rgba[i][RCOMP] * scale);
-               GLchan c;
-               CLAMPED_FLOAT_TO_CHAN(c, lut[j]);
-               rgba[i][RCOMP] = rgba[i][GCOMP] =
-                  rgba[i][BCOMP] = rgba[i][ACOMP] = c;
-            }
-         }
-         else {
-#if CHAN_TYPE == GL_UNSIGNED_BYTE
-            if (table->Size == 256) {
-               /* common case */
-               const GLchan *lut = (const GLchan *) table->Table;
-               GLuint i;
-               for (i = 0; i < n; i++) {
-                  const GLchan c = lut[rgba[i][RCOMP]];
-                  rgba[i][RCOMP] = rgba[i][GCOMP] =
-                     rgba[i][BCOMP] = rgba[i][ACOMP] = c;
-               }
-            }
-            else
-#endif
-            {
-               const GLfloat scale = (GLfloat) (table->Size - 1) / CHAN_MAXF;
-               const GLchan *lut = (const GLchan *) table->Table;
-               GLuint i;
-               for (i = 0; i < n; i++) {
-                  GLint j = IROUND((GLfloat) rgba[i][RCOMP] * scale);
-                  rgba[i][RCOMP] = rgba[i][GCOMP] =
-                     rgba[i][BCOMP] = rgba[i][ACOMP] = lut[j];
-               }
-            }
-         }
-         break;
-      case GL_LUMINANCE:
-         /* replace RGB with L */
-         if (table->Type == GL_FLOAT) {
-            const GLfloat scale = (GLfloat) (table->Size - 1) / CHAN_MAXF;
-            const GLfloat *lut = (const GLfloat *) table->Table;
-            GLuint i;
-            for (i = 0; i < n; i++) {
-               GLint j = IROUND((GLfloat) rgba[i][RCOMP] * scale);
-               GLchan c;
-               CLAMPED_FLOAT_TO_CHAN(c, lut[j]);
-               rgba[i][RCOMP] = rgba[i][GCOMP] = rgba[i][BCOMP] = c;
-            }
-         }
-         else {
-#if CHAN_TYPE == GL_UNSIGNED_BYTE
-            if (table->Size == 256) {
-               /* common case */
-               const GLchan *lut = (const GLchan *) table->Table;
-               GLuint i;
-               for (i = 0; i < n; i++) {
-                  const GLchan c = lut[rgba[i][RCOMP]];
-                  rgba[i][RCOMP] = rgba[i][GCOMP] = rgba[i][BCOMP] = c;
-               }
-            }
-            else
-#endif
-            {
-               const GLfloat scale = (GLfloat) (table->Size - 1) / CHAN_MAXF;
-               const GLchan *lut = (const GLchan *) table->Table;
-               GLuint i;
-               for (i = 0; i < n; i++) {
-                  GLint j = IROUND((GLfloat) rgba[i][RCOMP] * scale);
-                  rgba[i][RCOMP] = rgba[i][GCOMP] = rgba[i][BCOMP] = lut[j];
-               }
-            }
-         }
-         break;
-      case GL_ALPHA:
-         /* replace A with A */
-         if (table->Type == GL_FLOAT) {
-            const GLfloat scale = (GLfloat) (table->Size - 1) / CHAN_MAXF;
-            const GLfloat *lut = (const GLfloat *) table->Table;
-            GLuint i;
-            for (i = 0; i < n; i++) {
-               GLint j = IROUND((GLfloat) rgba[i][ACOMP] * scale);
-               GLchan c;
-               CLAMPED_FLOAT_TO_CHAN(c, lut[j]);
-               rgba[i][ACOMP] = c;
-            }
-         }
-         else {
-#if CHAN_TYPE == GL_UNSIGNED_BYTE
-            if (table->Size == 256) {
-               /* common case */
-               const GLchan *lut = (const GLchan *) table->Table;
-               GLuint i;
-               for (i = 0; i < n; i++) {
-                  rgba[i][ACOMP] = lut[rgba[i][ACOMP]];
-               }
-            }
-            else
-#endif
-            {
-               const GLfloat scale = (GLfloat) (table->Size - 1) / CHAN_MAXF;
-               const GLchan *lut = (const GLchan *) table->Table;
-               GLuint i;
-               for (i = 0; i < n; i++) {
-                  GLint j = IROUND((GLfloat) rgba[i][ACOMP] * scale);
-                  rgba[i][ACOMP] = lut[j];
-               }
-            }
-         }
-         break;
-      case GL_LUMINANCE_ALPHA:
-         /* replace RGBA with LLLA */
-         if (table->Type == GL_FLOAT) {
-            const GLfloat scale = (GLfloat) (table->Size - 1) / CHAN_MAXF;
-            const GLfloat *lut = (const GLfloat *) table->Table;
-            GLuint i;
-            for (i = 0; i < n; i++) {
-               GLint jL = IROUND((GLfloat) rgba[i][RCOMP] * scale);
-               GLint jA = IROUND((GLfloat) rgba[i][ACOMP] * scale);
-               GLchan luminance, alpha;
-               CLAMPED_FLOAT_TO_CHAN(luminance, lut[jL * 2 + 0]);
-               CLAMPED_FLOAT_TO_CHAN(alpha, lut[jA * 2 + 1]);
-               rgba[i][RCOMP] = rgba[i][GCOMP] = rgba[i][BCOMP] = luminance;
-               rgba[i][ACOMP] = alpha;;
-            }
-         }
-         else {
-#if CHAN_TYPE == GL_UNSIGNED_BYTE
-            if (table->Size == 256) {
-               /* common case */
-               const GLchan *lut = (const GLchan *) table->Table;
-               GLuint i;
-               for (i = 0; i < n; i++) {
-                  GLchan l = lut[rgba[i][RCOMP] * 2 + 0];
-                  GLchan a = lut[rgba[i][ACOMP] * 2 + 1];;
-                  rgba[i][RCOMP] = rgba[i][GCOMP] = rgba[i][BCOMP] = l;
-                  rgba[i][ACOMP] = a;
-               }
-            }
-            else
-#endif
-            {
-               const GLfloat scale = (GLfloat) (table->Size - 1) / CHAN_MAXF;
-               const GLchan *lut = (const GLchan *) table->Table;
-               GLuint i;
-               for (i = 0; i < n; i++) {
-                  GLint jL = IROUND((GLfloat) rgba[i][RCOMP] * scale);
-                  GLint jA = IROUND((GLfloat) rgba[i][ACOMP] * scale);
-                  GLchan luminance = lut[jL * 2 + 0];
-                  GLchan alpha     = lut[jA * 2 + 1];
-                  rgba[i][RCOMP] = rgba[i][GCOMP] = rgba[i][BCOMP] = luminance;
-                  rgba[i][ACOMP] = alpha;
-               }
-            }
-         }
-         break;
-      case GL_RGB:
-         /* replace RGB with RGB */
-         if (table->Type == GL_FLOAT) {
-            const GLfloat scale = (GLfloat) (table->Size - 1) / CHAN_MAXF;
-            const GLfloat *lut = (const GLfloat *) table->Table;
-            GLuint i;
-            for (i = 0; i < n; i++) {
-               GLint jR = IROUND((GLfloat) rgba[i][RCOMP] * scale);
-               GLint jG = IROUND((GLfloat) rgba[i][GCOMP] * scale);
-               GLint jB = IROUND((GLfloat) rgba[i][BCOMP] * scale);
-               CLAMPED_FLOAT_TO_CHAN(rgba[i][RCOMP], lut[jR * 3 + 0]);
-               CLAMPED_FLOAT_TO_CHAN(rgba[i][GCOMP], lut[jG * 3 + 1]);
-               CLAMPED_FLOAT_TO_CHAN(rgba[i][BCOMP], lut[jB * 3 + 2]);
-            }
-         }
-         else {
-#if CHAN_TYPE == GL_UNSIGNED_BYTE
-            if (table->Size == 256) {
-               /* common case */
-               const GLchan *lut = (const GLchan *) table->Table;
-               GLuint i;
-               for (i = 0; i < n; i++) {
-                  rgba[i][RCOMP] = lut[rgba[i][RCOMP] * 3 + 0];
-                  rgba[i][GCOMP] = lut[rgba[i][GCOMP] * 3 + 1];
-                  rgba[i][BCOMP] = lut[rgba[i][BCOMP] * 3 + 2];
-               }
-            }
-            else
-#endif
-            {
-               const GLfloat scale = (GLfloat) (table->Size - 1) / CHAN_MAXF;
-               const GLchan *lut = (const GLchan *) table->Table;
-               GLuint i;
-               for (i = 0; i < n; i++) {
-                  GLint jR = IROUND((GLfloat) rgba[i][RCOMP] * scale);
-                  GLint jG = IROUND((GLfloat) rgba[i][GCOMP] * scale);
-                  GLint jB = IROUND((GLfloat) rgba[i][BCOMP] * scale);
-                  rgba[i][RCOMP] = lut[jR * 3 + 0];
-                  rgba[i][GCOMP] = lut[jG * 3 + 1];
-                  rgba[i][BCOMP] = lut[jB * 3 + 2];
-               }
-            }
-         }
-         break;
-      case GL_RGBA:
-         /* replace RGBA with RGBA */
-         if (table->Type == GL_FLOAT) {
-            const GLfloat scale = (GLfloat) (table->Size - 1) / CHAN_MAXF;
-            const GLfloat *lut = (const GLfloat *) table->Table;
-            GLuint i;
-            for (i = 0; i < n; i++) {
-               GLint jR = IROUND((GLfloat) rgba[i][RCOMP] * scale);
-               GLint jG = IROUND((GLfloat) rgba[i][GCOMP] * scale);
-               GLint jB = IROUND((GLfloat) rgba[i][BCOMP] * scale);
-               GLint jA = IROUND((GLfloat) rgba[i][ACOMP] * scale);
-               CLAMPED_FLOAT_TO_CHAN(rgba[i][RCOMP], lut[jR * 4 + 0]);
-               CLAMPED_FLOAT_TO_CHAN(rgba[i][GCOMP], lut[jG * 4 + 1]);
-               CLAMPED_FLOAT_TO_CHAN(rgba[i][BCOMP], lut[jB * 4 + 2]);
-               CLAMPED_FLOAT_TO_CHAN(rgba[i][ACOMP], lut[jA * 4 + 3]);
-            }
-         }
-         else {
-#if CHAN_TYPE == GL_UNSIGNED_BYTE
-            if (table->Size == 256) {
-               /* common case */
-               const GLchan *lut = (const GLchan *) table->Table;
-               GLuint i;
-               for (i = 0; i < n; i++) {
-                  rgba[i][RCOMP] = lut[rgba[i][RCOMP] * 4 + 0];
-                  rgba[i][GCOMP] = lut[rgba[i][GCOMP] * 4 + 1];
-                  rgba[i][BCOMP] = lut[rgba[i][BCOMP] * 4 + 2];
-                  rgba[i][ACOMP] = lut[rgba[i][ACOMP] * 4 + 3];
-               }
-            }
-            else
-#endif
-            {
-               const GLfloat scale = (GLfloat) (table->Size - 1) / CHAN_MAXF;
-               const GLfloat *lut = (const GLfloat *) table->Table;
-               GLuint i;
-               for (i = 0; i < n; i++) {
-                  GLint jR = IROUND((GLfloat) rgba[i][RCOMP] * scale);
-                  GLint jG = IROUND((GLfloat) rgba[i][GCOMP] * scale);
-                  GLint jB = IROUND((GLfloat) rgba[i][BCOMP] * scale);
-                  GLint jA = IROUND((GLfloat) rgba[i][ACOMP] * scale);
-                  CLAMPED_FLOAT_TO_CHAN(rgba[i][RCOMP], lut[jR * 4 + 0]);
-                  CLAMPED_FLOAT_TO_CHAN(rgba[i][GCOMP], lut[jG * 4 + 1]);
-                  CLAMPED_FLOAT_TO_CHAN(rgba[i][BCOMP], lut[jB * 4 + 2]);
-                  CLAMPED_FLOAT_TO_CHAN(rgba[i][ACOMP], lut[jA * 4 + 3]);
-               }
-            }
-         }
-         break;
-      default:
-         _mesa_problem(NULL, "Bad format in _swrast_texture_table_lookup");
-         return;
-   }
-}
-
-
 
 /*
  * Get texture palette entry.
@@ -4208,7 +3938,7 @@ _swrast_texture_span( GLcontext *ctx, struct sw_span *span )
 
          /* GL_SGI_texture_color_table */
          if (texUnit->ColorTableEnabled) {
-            _swrast_texture_table_lookup(&texUnit->ColorTable, span->end, texels);
+            _mesa_lookup_rgba_chan(&texUnit->ColorTable, span->end, texels);
          }
       }
    }
diff --git a/src/mesa/swrast/s_texture.h b/src/mesa/swrast/s_texture.h
index b0c16083da1..698f363a1cd 100644
--- a/src/mesa/swrast/s_texture.h
+++ b/src/mesa/swrast/s_texture.h
@@ -1,9 +1,8 @@
-
 /*
  * Mesa 3-D graphics library
- * Version:  5.1
+ * Version:  6.1
  *
- * Copyright (C) 1999-2003  Brian Paul   All Rights Reserved.
+ * Copyright (C) 1999-2004  Brian Paul   All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
@@ -32,10 +31,6 @@
 #include "swrast.h"
 
 
-extern void
-_swrast_texture_table_lookup( const struct gl_color_table *table,
-                              GLuint n, GLchan rgba[][4] );
-
 extern texture_sample_func
 _swrast_choose_texture_sample_func( GLcontext *ctx,
 				    const struct gl_texture_object *tObj );