From 3d6a20e5b6c7567ed64fceed7744cf39eea34400 Mon Sep 17 00:00:00 2001
From: Brian Paul <brianp@vmware.com>
Date: Wed, 30 Sep 2009 21:08:06 -0600
Subject: mesa: rename texformat_tmp.h to texfetch_tmp.h

---
 src/mesa/main/texfetch_tmp.h | 1302 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 1302 insertions(+)
 create mode 100644 src/mesa/main/texfetch_tmp.h

(limited to 'src/mesa/main/texfetch_tmp.h')

diff --git a/src/mesa/main/texfetch_tmp.h b/src/mesa/main/texfetch_tmp.h
new file mode 100644
index 0000000000..3ac932b979
--- /dev/null
+++ b/src/mesa/main/texfetch_tmp.h
@@ -0,0 +1,1302 @@
+/*
+ * Mesa 3-D graphics library
+ * Version:  7.7
+ *
+ * Copyright (C) 1999-2008  Brian Paul   All Rights Reserved.
+ * Copyright (c) 2008-2009  VMware, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+/**
+ * \file texfetch_tmp.h
+ * Texel fetch functions template.
+ * 
+ * This template file is used by texfetch.c to generate texel fetch functions
+ * for 1-D, 2-D and 3-D texture images. 
+ *
+ * It should be expanded by defining \p DIM as the number texture dimensions
+ * (1, 2 or 3).  According to the value of \p DIM a series of macros is defined
+ * for the texel lookup in the gl_texture_image::Data.
+ * 
+ * \author Gareth Hughes
+ * \author Brian Paul
+ */
+
+
+#if DIM == 1
+
+#define TEXEL_ADDR( type, image, i, j, k, size ) \
+	((void) (j), (void) (k), ((type *)(image)->Data + (i) * (size)))
+
+#define FETCH(x) fetch_texel_1d_##x
+
+#elif DIM == 2
+
+#define TEXEL_ADDR( type, image, i, j, k, size )			\
+	((void) (k),							\
+	 ((type *)(image)->Data + ((image)->RowStride * (j) + (i)) * (size)))
+
+#define FETCH(x) fetch_texel_2d_##x
+
+#elif DIM == 3
+
+#define TEXEL_ADDR( type, image, i, j, k, size )			\
+	((type *)(image)->Data + ((image)->ImageOffsets[k]		\
+             + (image)->RowStride * (j) + (i)) * (size))
+
+#define FETCH(x) fetch_texel_3d_##x
+
+#else
+#error	illegal number of texture dimensions
+#endif
+
+
+/* MESA_FORMAT_Z32 ***********************************************************/
+
+/* Fetch depth texel from 1D, 2D or 3D 32-bit depth texture,
+ * returning 1 GLfloat.
+ * Note: no GLchan version of this function.
+ */
+static void FETCH(f_z32)( const struct gl_texture_image *texImage,
+                          GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLuint *src = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+   texel[0] = src[0] * (1.0F / 0xffffffff);
+}
+
+#if DIM == 3
+static void store_texel_z32(struct gl_texture_image *texImage,
+                            GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLuint *depth = (const GLuint *) texel;
+   GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+   dst[0] = *depth;
+}
+#endif
+
+
+/* MESA_FORMAT_Z16 ***********************************************************/
+
+/* Fetch depth texel from 1D, 2D or 3D 16-bit depth texture,
+ * returning 1 GLfloat.
+ * Note: no GLchan version of this function.
+ */
+static void FETCH(f_z16)(const struct gl_texture_image *texImage,
+                         GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
+   texel[0] = src[0] * (1.0F / 65535.0F);
+}
+
+#if DIM == 3
+static void store_texel_z16(struct gl_texture_image *texImage,
+                            GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLushort *depth = (const GLushort *) texel;
+   GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
+   dst[0] = *depth;
+}
+#endif
+
+
+/* MESA_FORMAT_RGBA_F32 ******************************************************/
+
+/* Fetch texel from 1D, 2D or 3D RGBA_FLOAT32 texture, returning 4 GLfloats.
+ */
+static void FETCH(f_rgba_f32)( const struct gl_texture_image *texImage,
+                               GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLfloat *src = TEXEL_ADDR(GLfloat, texImage, i, j, k, 4);
+   texel[RCOMP] = src[0];
+   texel[GCOMP] = src[1];
+   texel[BCOMP] = src[2];
+   texel[ACOMP] = src[3];
+}
+
+#if DIM == 3
+static void store_texel_rgba_f32(struct gl_texture_image *texImage,
+                                 GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLfloat *depth = (const GLfloat *) texel;
+   GLfloat *dst = TEXEL_ADDR(GLfloat, texImage, i, j, k, 1);
+   dst[0] = depth[RCOMP];
+   dst[1] = depth[GCOMP];
+   dst[2] = depth[BCOMP];
+   dst[3] = depth[ACOMP];
+}
+#endif
+
+
+/* MESA_FORMAT_RGBA_F16 ******************************************************/
+
+/* Fetch texel from 1D, 2D or 3D RGBA_FLOAT16 texture,
+ * returning 4 GLfloats.
+ */
+static void FETCH(f_rgba_f16)( const struct gl_texture_image *texImage,
+                               GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLhalfARB *src = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 4);
+   texel[RCOMP] = _mesa_half_to_float(src[0]);
+   texel[GCOMP] = _mesa_half_to_float(src[1]);
+   texel[BCOMP] = _mesa_half_to_float(src[2]);
+   texel[ACOMP] = _mesa_half_to_float(src[3]);
+}
+
+#if DIM == 3
+static void store_texel_rgba_f16(struct gl_texture_image *texImage,
+                                 GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLfloat *depth = (const GLfloat *) texel;
+   GLhalfARB *dst = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 1);
+   dst[0] = _mesa_float_to_half(*depth);
+}
+#endif
+
+/* MESA_FORMAT_RGB_F32 *******************************************************/
+
+/* Fetch texel from 1D, 2D or 3D RGB_FLOAT32 texture,
+ * returning 4 GLfloats.
+ */
+static void FETCH(f_rgb_f32)( const struct gl_texture_image *texImage,
+                              GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLfloat *src = TEXEL_ADDR(GLfloat, texImage, i, j, k, 3);
+   texel[RCOMP] = src[0];
+   texel[GCOMP] = src[1];
+   texel[BCOMP] = src[2];
+   texel[ACOMP] = 1.0F;
+}
+
+#if DIM == 3
+static void store_texel_rgb_f32(struct gl_texture_image *texImage,
+                                 GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLfloat *depth = (const GLfloat *) texel;
+   GLfloat *dst = TEXEL_ADDR(GLfloat, texImage, i, j, k, 1);
+   dst[0] = *depth;
+}
+#endif
+
+
+/* MESA_FORMAT_RGB_F16 *******************************************************/
+
+/* Fetch texel from 1D, 2D or 3D RGB_FLOAT16 texture,
+ * returning 4 GLfloats.
+ */
+static void FETCH(f_rgb_f16)( const struct gl_texture_image *texImage,
+                              GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLhalfARB *src = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 3);
+   texel[RCOMP] = _mesa_half_to_float(src[0]);
+   texel[GCOMP] = _mesa_half_to_float(src[1]);
+   texel[BCOMP] = _mesa_half_to_float(src[2]);
+   texel[ACOMP] = 1.0F;
+}
+
+#if DIM == 3
+static void store_texel_rgb_f16(struct gl_texture_image *texImage,
+                                GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLfloat *depth = (const GLfloat *) texel;
+   GLhalfARB *dst = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 1);
+   dst[0] = _mesa_float_to_half(*depth);
+}
+#endif
+
+
+/* MESA_FORMAT_ALPHA_F32 *****************************************************/
+
+/* Fetch texel from 1D, 2D or 3D ALPHA_FLOAT32 texture,
+ * returning 4 GLfloats.
+ */
+static void FETCH(f_alpha_f32)( const struct gl_texture_image *texImage,
+                              GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLfloat *src = TEXEL_ADDR(GLfloat, texImage, i, j, k, 1);
+   texel[RCOMP] =
+   texel[GCOMP] =
+   texel[BCOMP] = 0.0F;
+   texel[ACOMP] = src[0];
+}
+
+#if DIM == 3
+static void store_texel_alpha_f32(struct gl_texture_image *texImage,
+                                  GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLfloat *rgba = (const GLfloat *) texel;
+   GLfloat *dst = TEXEL_ADDR(GLfloat, texImage, i, j, k, 1);
+   dst[0] = rgba[ACOMP];
+}
+#endif
+
+
+/* MESA_FORMAT_ALPHA_F32 *****************************************************/
+
+/* Fetch texel from 1D, 2D or 3D ALPHA_FLOAT16 texture,
+ * returning 4 GLfloats.
+ */
+static void FETCH(f_alpha_f16)( const struct gl_texture_image *texImage,
+                              GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLhalfARB *src = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 1);
+   texel[RCOMP] =
+   texel[GCOMP] =
+   texel[BCOMP] = 0.0F;
+   texel[ACOMP] = _mesa_half_to_float(src[0]);
+}
+
+#if DIM == 3
+static void store_texel_alpha_f16(struct gl_texture_image *texImage,
+                                  GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLfloat *rgba = (const GLfloat *) texel;
+   GLhalfARB *dst = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 1);
+   dst[0] = _mesa_float_to_half(rgba[ACOMP]);
+}
+#endif
+
+
+/* MESA_FORMAT_LUMINANCE_F32 *************************************************/
+
+/* Fetch texel from 1D, 2D or 3D LUMINANCE_FLOAT32 texture,
+ * returning 4 GLfloats.
+ */
+static void FETCH(f_luminance_f32)( const struct gl_texture_image *texImage,
+                                    GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLfloat *src = TEXEL_ADDR(GLfloat, texImage, i, j, k, 1);
+   texel[RCOMP] =
+   texel[GCOMP] =
+   texel[BCOMP] = src[0];
+   texel[ACOMP] = 1.0F;
+}
+
+#if DIM == 3
+static void store_texel_luminance_f32(struct gl_texture_image *texImage,
+                                  GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLfloat *rgba = (const GLfloat *) texel;
+   GLfloat *dst = TEXEL_ADDR(GLfloat, texImage, i, j, k, 1);
+   dst[0] = rgba[RCOMP];
+}
+#endif
+
+
+/* MESA_FORMAT_LUMINANCE_F16 *************************************************/
+
+/* Fetch texel from 1D, 2D or 3D LUMINANCE_FLOAT16 texture,
+ * returning 4 GLfloats.
+ */
+static void FETCH(f_luminance_f16)( const struct gl_texture_image *texImage,
+                                    GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLhalfARB *src = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 1);
+   texel[RCOMP] =
+   texel[GCOMP] =
+   texel[BCOMP] = _mesa_half_to_float(src[0]);
+   texel[ACOMP] = 1.0F;
+}
+
+#if DIM == 3
+static void store_texel_luminance_f16(struct gl_texture_image *texImage,
+                                  GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLfloat *rgba = (const GLfloat *) texel;
+   GLhalfARB *dst = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 1);
+   dst[0] = _mesa_float_to_half(rgba[RCOMP]);
+}
+#endif
+
+
+/* MESA_FORMAT_LUMINANCE_ALPHA_F32 *******************************************/
+
+/* Fetch texel from 1D, 2D or 3D LUMINANCE_ALPHA_FLOAT32 texture,
+ * returning 4 GLfloats.
+ */
+static void FETCH(f_luminance_alpha_f32)( const struct gl_texture_image *texImage,
+                                    GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLfloat *src = TEXEL_ADDR(GLfloat, texImage, i, j, k, 2);
+   texel[RCOMP] =
+   texel[GCOMP] =
+   texel[BCOMP] = src[0];
+   texel[ACOMP] = src[1];
+}
+
+#if DIM == 3
+static void store_texel_luminance_alpha_f32(struct gl_texture_image *texImage,
+                                  GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLfloat *rgba = (const GLfloat *) texel;
+   GLfloat *dst = TEXEL_ADDR(GLfloat, texImage, i, j, k, 2);
+   dst[0] = rgba[RCOMP];
+   dst[1] = rgba[ACOMP];
+}
+#endif
+
+
+/* MESA_FORMAT_LUMINANCE_ALPHA_F16 *******************************************/
+
+/* Fetch texel from 1D, 2D or 3D LUMINANCE_ALPHA_FLOAT16 texture,
+ * returning 4 GLfloats.
+ */
+static void FETCH(f_luminance_alpha_f16)( const struct gl_texture_image *texImage,
+                                    GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLhalfARB *src = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 2);
+   texel[RCOMP] =
+   texel[GCOMP] =
+   texel[BCOMP] = _mesa_half_to_float(src[0]);
+   texel[ACOMP] = _mesa_half_to_float(src[1]);
+}
+
+#if DIM == 3
+static void store_texel_luminance_alpha_f16(struct gl_texture_image *texImage,
+                                  GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLfloat *rgba = (const GLfloat *) texel;
+   GLhalfARB *dst = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 2);
+   dst[0] = _mesa_float_to_half(rgba[RCOMP]);
+   dst[1] = _mesa_float_to_half(rgba[ACOMP]);
+}
+#endif
+
+
+/* MESA_FORMAT_INTENSITY_F32 *************************************************/
+
+/* Fetch texel from 1D, 2D or 3D INTENSITY_FLOAT32 texture,
+ * returning 4 GLfloats.
+ */
+static void FETCH(f_intensity_f32)( const struct gl_texture_image *texImage,
+                                    GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLfloat *src = TEXEL_ADDR(GLfloat, texImage, i, j, k, 1);
+   texel[RCOMP] =
+   texel[GCOMP] =
+   texel[BCOMP] =
+   texel[ACOMP] = src[0];
+}
+
+#if DIM == 3
+static void store_texel_intensity_f32(struct gl_texture_image *texImage,
+                                  GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLfloat *rgba = (const GLfloat *) texel;
+   GLfloat *dst = TEXEL_ADDR(GLfloat, texImage, i, j, k, 1);
+   dst[0] = rgba[RCOMP];
+}
+#endif
+
+
+/* MESA_FORMAT_INTENSITY_F16 *************************************************/
+
+/* Fetch texel from 1D, 2D or 3D INTENSITY_FLOAT16 texture,
+ * returning 4 GLfloats.
+ */
+static void FETCH(f_intensity_f16)( const struct gl_texture_image *texImage,
+                                    GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLhalfARB *src = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 1);
+   texel[RCOMP] =
+   texel[GCOMP] =
+   texel[BCOMP] =
+   texel[ACOMP] = _mesa_half_to_float(src[0]);
+}
+
+#if DIM == 3
+static void store_texel_intensity_f16(struct gl_texture_image *texImage,
+                                  GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLfloat *rgba = (const GLfloat *) texel;
+   GLhalfARB *dst = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 1);
+   dst[0] = _mesa_float_to_half(rgba[RCOMP]);
+}
+#endif
+
+
+
+
+/*
+ * Begin Hardware formats
+ */
+
+/* MESA_FORMAT_RGBA8888 ******************************************************/
+
+/* Fetch texel from 1D, 2D or 3D rgba8888 texture, return 4 GLfloats */
+static void FETCH(f_rgba8888)( const struct gl_texture_image *texImage,
+                               GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+   texel[RCOMP] = UBYTE_TO_FLOAT( (s >> 24)        );
+   texel[GCOMP] = UBYTE_TO_FLOAT( (s >> 16) & 0xff );
+   texel[BCOMP] = UBYTE_TO_FLOAT( (s >>  8) & 0xff );
+   texel[ACOMP] = UBYTE_TO_FLOAT( (s      ) & 0xff );
+}
+
+
+
+#if DIM == 3
+static void store_texel_rgba8888(struct gl_texture_image *texImage,
+                                 GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLubyte *rgba = (const GLubyte *) texel;
+   GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+   *dst = PACK_COLOR_8888(rgba[RCOMP], rgba[GCOMP], rgba[BCOMP], rgba[ACOMP]);
+}
+#endif
+
+
+/* MESA_FORMAT_RGBA888_REV ***************************************************/
+
+/* Fetch texel from 1D, 2D or 3D abgr8888 texture, return 4 GLchans */
+static void FETCH(f_rgba8888_rev)( const struct gl_texture_image *texImage,
+                                   GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+   texel[RCOMP] = UBYTE_TO_FLOAT( (s      ) & 0xff );
+   texel[GCOMP] = UBYTE_TO_FLOAT( (s >>  8) & 0xff );
+   texel[BCOMP] = UBYTE_TO_FLOAT( (s >> 16) & 0xff );
+   texel[ACOMP] = UBYTE_TO_FLOAT( (s >> 24)        );
+}
+
+#if DIM == 3
+static void store_texel_rgba8888_rev(struct gl_texture_image *texImage,
+                                  GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLubyte *rgba = (const GLubyte *) texel;
+   GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+   *dst = PACK_COLOR_8888_REV(rgba[RCOMP], rgba[GCOMP], rgba[BCOMP], rgba[ACOMP]);
+}
+#endif
+
+
+/* MESA_FORMAT_ARGB8888 ******************************************************/
+
+/* Fetch texel from 1D, 2D or 3D argb8888 texture, return 4 GLchans */
+static void FETCH(f_argb8888)( const struct gl_texture_image *texImage,
+                               GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+   texel[RCOMP] = UBYTE_TO_FLOAT( (s >> 16) & 0xff );
+   texel[GCOMP] = UBYTE_TO_FLOAT( (s >>  8) & 0xff );
+   texel[BCOMP] = UBYTE_TO_FLOAT( (s      ) & 0xff );
+   texel[ACOMP] = UBYTE_TO_FLOAT( (s >> 24)        );
+}
+
+#if DIM == 3
+static void store_texel_argb8888(struct gl_texture_image *texImage,
+                                 GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLubyte *rgba = (const GLubyte *) texel;
+   GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+   *dst = PACK_COLOR_8888(rgba[ACOMP], rgba[RCOMP], rgba[GCOMP], rgba[BCOMP]);
+}
+#endif
+
+
+/* MESA_FORMAT_ARGB8888_REV **************************************************/
+
+/* Fetch texel from 1D, 2D or 3D argb8888_rev texture, return 4 GLfloats */
+static void FETCH(f_argb8888_rev)( const struct gl_texture_image *texImage,
+                                   GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+   texel[RCOMP] = UBYTE_TO_FLOAT( (s >>  8) & 0xff );
+   texel[GCOMP] = UBYTE_TO_FLOAT( (s >> 16) & 0xff );
+   texel[BCOMP] = UBYTE_TO_FLOAT( (s >> 24)        );
+   texel[ACOMP] = UBYTE_TO_FLOAT( (s      ) & 0xff );
+}
+
+#if DIM == 3
+static void store_texel_argb8888_rev(struct gl_texture_image *texImage,
+                                  GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLubyte *rgba = (const GLubyte *) texel;
+   GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+   *dst = PACK_COLOR_8888(rgba[BCOMP], rgba[GCOMP], rgba[RCOMP], rgba[ACOMP]);
+}
+#endif
+
+
+/* MESA_FORMAT_RGB888 ********************************************************/
+
+/* Fetch texel from 1D, 2D or 3D rgb888 texture, return 4 GLchans */
+static void FETCH(f_rgb888)( const struct gl_texture_image *texImage,
+                             GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 3);
+   texel[RCOMP] = UBYTE_TO_FLOAT( src[2] );
+   texel[GCOMP] = UBYTE_TO_FLOAT( src[1] );
+   texel[BCOMP] = UBYTE_TO_FLOAT( src[0] );
+   texel[ACOMP] = 1.0F;
+}
+
+#if DIM == 3
+static void store_texel_rgb888(struct gl_texture_image *texImage,
+                               GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLubyte *rgba = (const GLubyte *) texel;
+   GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 3);
+   dst[0] = rgba[BCOMP];
+   dst[1] = rgba[GCOMP];
+   dst[2] = rgba[RCOMP];
+}
+#endif
+
+
+/* MESA_FORMAT_BGR888 ********************************************************/
+
+/* Fetch texel from 1D, 2D or 3D bgr888 texture, return 4 GLchans */
+static void FETCH(f_bgr888)( const struct gl_texture_image *texImage,
+                             GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 3);
+   texel[RCOMP] = UBYTE_TO_FLOAT( src[0] );
+   texel[GCOMP] = UBYTE_TO_FLOAT( src[1] );
+   texel[BCOMP] = UBYTE_TO_FLOAT( src[2] );
+   texel[ACOMP] = 1.0F;
+}
+
+#if DIM == 3
+static void store_texel_bgr888(struct gl_texture_image *texImage,
+                               GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLubyte *rgba = (const GLubyte *) texel;
+   GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 3);
+   dst[0] = rgba[RCOMP];
+   dst[1] = rgba[GCOMP];
+   dst[2] = rgba[BCOMP];
+}
+#endif
+
+
+/* use color expansion like (g << 2) | (g >> 4) (does somewhat random rounding)
+   instead of slow (g << 2) * 255 / 252 (always rounds down) */
+
+/* MESA_FORMAT_RGB565 ********************************************************/
+
+/* Fetch texel from 1D, 2D or 3D rgb565 texture, return 4 GLchans */
+static void FETCH(f_rgb565)( const struct gl_texture_image *texImage,
+                             GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
+   const GLushort s = *src;
+   texel[RCOMP] = ((s >> 11) & 0x1f) * (1.0F / 31.0F);
+   texel[GCOMP] = ((s >> 5 ) & 0x3f) * (1.0F / 63.0F);
+   texel[BCOMP] = ((s      ) & 0x1f) * (1.0F / 31.0F);
+   texel[ACOMP] = 1.0F;
+}
+
+#if DIM == 3
+static void store_texel_rgb565(struct gl_texture_image *texImage,
+                               GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLubyte *rgba = (const GLubyte *) texel;
+   GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
+   *dst = PACK_COLOR_565(rgba[RCOMP], rgba[GCOMP], rgba[BCOMP]);
+}
+#endif
+
+
+/* MESA_FORMAT_RGB565_REV ****************************************************/
+
+/* Fetch texel from 1D, 2D or 3D rgb565_rev texture, return 4 GLchans */
+static void FETCH(f_rgb565_rev)( const struct gl_texture_image *texImage,
+                                 GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
+   const GLushort s = (*src >> 8) | (*src << 8); /* byte swap */
+   texel[RCOMP] = UBYTE_TO_FLOAT( ((s >> 8) & 0xf8) | ((s >> 13) & 0x7) );
+   texel[GCOMP] = UBYTE_TO_FLOAT( ((s >> 3) & 0xfc) | ((s >>  9) & 0x3) );
+   texel[BCOMP] = UBYTE_TO_FLOAT( ((s << 3) & 0xf8) | ((s >>  2) & 0x7) );
+   texel[ACOMP] = 1.0F;
+}
+
+#if DIM == 3
+static void store_texel_rgb565_rev(struct gl_texture_image *texImage,
+                                  GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLubyte *rgba = (const GLubyte *) texel;
+   GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
+   *dst = PACK_COLOR_565(rgba[BCOMP], rgba[GCOMP], rgba[RCOMP]);
+}
+#endif
+
+
+/* MESA_FORMAT_ARGB4444 ******************************************************/
+
+/* Fetch texel from 1D, 2D or 3D argb444 texture, return 4 GLchans */
+static void FETCH(f_argb4444)( const struct gl_texture_image *texImage,
+                               GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
+   const GLushort s = *src;
+   texel[RCOMP] = ((s >>  8) & 0xf) * (1.0F / 15.0F);
+   texel[GCOMP] = ((s >>  4) & 0xf) * (1.0F / 15.0F);
+   texel[BCOMP] = ((s      ) & 0xf) * (1.0F / 15.0F);
+   texel[ACOMP] = ((s >> 12) & 0xf) * (1.0F / 15.0F);
+}
+
+#if DIM == 3
+static void store_texel_argb4444(struct gl_texture_image *texImage,
+                                 GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLubyte *rgba = (const GLubyte *) texel;
+   GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
+   *dst = PACK_COLOR_4444(rgba[ACOMP], rgba[RCOMP], rgba[GCOMP], rgba[BCOMP]);
+}
+#endif
+
+
+/* MESA_FORMAT_ARGB4444_REV **************************************************/
+
+/* Fetch texel from 1D, 2D or 3D argb4444_rev texture, return 4 GLchans */
+static void FETCH(f_argb4444_rev)( const struct gl_texture_image *texImage,
+                                   GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLushort s = *TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
+   texel[RCOMP] = ((s      ) & 0xf) * (1.0F / 15.0F);
+   texel[GCOMP] = ((s >> 12) & 0xf) * (1.0F / 15.0F);
+   texel[BCOMP] = ((s >>  8) & 0xf) * (1.0F / 15.0F);
+   texel[ACOMP] = ((s >>  4) & 0xf) * (1.0F / 15.0F);
+}
+
+#if DIM == 3
+static void store_texel_argb4444_rev(struct gl_texture_image *texImage,
+                                 GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLubyte *rgba = (const GLubyte *) texel;
+   GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
+   *dst = PACK_COLOR_4444(rgba[ACOMP], rgba[BCOMP], rgba[GCOMP], rgba[RCOMP]);
+}
+#endif
+
+/* MESA_FORMAT_RGBA5551 ******************************************************/
+
+/* Fetch texel from 1D, 2D or 3D argb1555 texture, return 4 GLchans */
+static void FETCH(f_rgba5551)( const struct gl_texture_image *texImage,
+                               GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
+   const GLushort s = *src;
+   texel[RCOMP] = ((s >> 11) & 0x1f) * (1.0F / 31.0F);
+   texel[GCOMP] = ((s >>  6) & 0x1f) * (1.0F / 31.0F);
+   texel[BCOMP] = ((s >>  1) & 0x1f) * (1.0F / 31.0F);
+   texel[ACOMP] = ((s      ) & 0x01) * 1.0F;
+}
+
+#if DIM == 3
+static void store_texel_rgba5551(struct gl_texture_image *texImage,
+                                 GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLubyte *rgba = (const GLubyte *) texel;
+   GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
+   *dst = PACK_COLOR_5551(rgba[RCOMP], rgba[GCOMP], rgba[BCOMP], rgba[ACOMP]);
+}
+#endif
+
+/* MESA_FORMAT_ARGB1555 ******************************************************/
+
+/* Fetch texel from 1D, 2D or 3D argb1555 texture, return 4 GLchans */
+static void FETCH(f_argb1555)( const struct gl_texture_image *texImage,
+			     GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
+   const GLushort s = *src;
+   texel[RCOMP] = ((s >> 10) & 0x1f) * (1.0F / 31.0F);
+   texel[GCOMP] = ((s >>  5) & 0x1f) * (1.0F / 31.0F);
+   texel[BCOMP] = ((s >>  0) & 0x1f) * (1.0F / 31.0F);
+   texel[ACOMP] = ((s >> 15) & 0x01) * 1.0F;
+}
+
+#if DIM == 3
+static void store_texel_argb1555(struct gl_texture_image *texImage,
+                                 GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLubyte *rgba = (const GLubyte *) texel;
+   GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
+   *dst = PACK_COLOR_1555(rgba[ACOMP], rgba[RCOMP], rgba[GCOMP], rgba[BCOMP]);
+}
+#endif
+
+
+/* MESA_FORMAT_ARGB1555_REV **************************************************/
+
+/* Fetch texel from 1D, 2D or 3D argb1555_rev texture, return 4 GLchans */
+static void FETCH(f_argb1555_rev)( const struct gl_texture_image *texImage,
+                                   GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
+   const GLushort s = (*src << 8) | (*src >> 8); /* byteswap */
+   texel[RCOMP] = UBYTE_TO_FLOAT( ((s >>  7) & 0xf8) | ((s >> 12) & 0x7) );
+   texel[GCOMP] = UBYTE_TO_FLOAT( ((s >>  2) & 0xf8) | ((s >>  7) & 0x7) );
+   texel[BCOMP] = UBYTE_TO_FLOAT( ((s <<  3) & 0xf8) | ((s >>  2) & 0x7) );
+   texel[ACOMP] = UBYTE_TO_FLOAT( ((s >> 15) & 0x01) * 255 );
+}
+
+#if DIM == 3
+static void store_texel_argb1555_rev(struct gl_texture_image *texImage,
+                                 GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLubyte *rgba = (const GLubyte *) texel;
+   GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
+   *dst = PACK_COLOR_1555_REV(rgba[ACOMP], rgba[RCOMP], rgba[GCOMP], rgba[BCOMP]);
+}
+#endif
+
+
+/* MESA_FORMAT_AL88 **********************************************************/
+
+/* Fetch texel from 1D, 2D or 3D al88 texture, return 4 GLchans */
+static void FETCH(f_al88)( const struct gl_texture_image *texImage,
+                           GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLushort s = *TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
+   texel[RCOMP] = 
+   texel[GCOMP] = 
+   texel[BCOMP] = UBYTE_TO_FLOAT( s & 0xff );
+   texel[ACOMP] = UBYTE_TO_FLOAT( s >> 8 );
+}
+
+#if DIM == 3
+static void store_texel_al88(struct gl_texture_image *texImage,
+                             GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLubyte *rgba = (const GLubyte *) texel;
+   GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
+   *dst = PACK_COLOR_88(rgba[ACOMP], rgba[RCOMP]);
+}
+#endif
+
+
+/* MESA_FORMAT_AL88_REV ******************************************************/
+
+/* Fetch texel from 1D, 2D or 3D al88_rev texture, return 4 GLchans */
+static void FETCH(f_al88_rev)( const struct gl_texture_image *texImage,
+                               GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLushort s = *TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
+   texel[RCOMP] = 
+   texel[GCOMP] = 
+   texel[BCOMP] = UBYTE_TO_FLOAT( s >> 8 );
+   texel[ACOMP] = UBYTE_TO_FLOAT( s & 0xff );
+}
+
+#if DIM == 3
+static void store_texel_al88_rev(struct gl_texture_image *texImage,
+                                 GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLubyte *rgba = (const GLubyte *) texel;
+   GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
+   *dst = PACK_COLOR_88(rgba[RCOMP], rgba[ACOMP]);
+}
+#endif
+
+
+/* MESA_FORMAT_RGB332 ********************************************************/
+
+/* Fetch texel from 1D, 2D or 3D rgb332 texture, return 4 GLchans */
+static void FETCH(f_rgb332)( const struct gl_texture_image *texImage,
+                             GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1);
+   const GLubyte s = *src;
+   texel[RCOMP] = ((s >> 5) & 0x7) * (1.0F / 7.0F);
+   texel[GCOMP] = ((s >> 2) & 0x7) * (1.0F / 7.0F);
+   texel[BCOMP] = ((s     ) & 0x3) * (1.0F / 3.0F);
+   texel[ACOMP] = 1.0F;
+}
+
+#if DIM == 3
+static void store_texel_rgb332(struct gl_texture_image *texImage,
+                               GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLubyte *rgba = (const GLubyte *) texel;
+   GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1);
+   *dst = PACK_COLOR_332(rgba[RCOMP], rgba[GCOMP], rgba[BCOMP]);
+}
+#endif
+
+
+/* MESA_FORMAT_A8 ************************************************************/
+
+/* Fetch texel from 1D, 2D or 3D a8 texture, return 4 GLchans */
+static void FETCH(f_a8)( const struct gl_texture_image *texImage,
+                         GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1);
+   texel[RCOMP] =
+   texel[GCOMP] =
+   texel[BCOMP] = 0.0F;
+   texel[ACOMP] = UBYTE_TO_FLOAT( src[0] );
+}
+
+#if DIM == 3
+static void store_texel_a8(struct gl_texture_image *texImage,
+                           GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLubyte *rgba = (const GLubyte *) texel;
+   GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1);
+   *dst = rgba[ACOMP];
+}
+#endif
+
+
+/* MESA_FORMAT_L8 ************************************************************/
+
+/* Fetch texel from 1D, 2D or 3D l8 texture, return 4 GLchans */
+static void FETCH(f_l8)( const struct gl_texture_image *texImage,
+                         GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1);
+   texel[RCOMP] =
+   texel[GCOMP] =
+   texel[BCOMP] = UBYTE_TO_FLOAT( src[0] );
+   texel[ACOMP] = 1.0F;
+}
+
+#if DIM == 3
+static void store_texel_l8(struct gl_texture_image *texImage,
+                           GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLubyte *rgba = (const GLubyte *) texel;
+   GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1);
+   *dst = rgba[RCOMP];
+}
+#endif
+
+
+/* MESA_FORMAT_I8 ************************************************************/
+
+/* Fetch texel from 1D, 2D or 3D i8 texture, return 4 GLchans */
+static void FETCH(f_i8)( const struct gl_texture_image *texImage,
+                         GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1);
+   texel[RCOMP] =
+   texel[GCOMP] =
+   texel[BCOMP] =
+   texel[ACOMP] = UBYTE_TO_FLOAT( src[0] );
+}
+
+#if DIM == 3
+static void store_texel_i8(struct gl_texture_image *texImage,
+                           GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLubyte *rgba = (const GLubyte *) texel;
+   GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1);
+   *dst = rgba[RCOMP];
+}
+#endif
+
+
+/* MESA_FORMAT_CI8 ***********************************************************/
+
+/* Fetch CI texel from 1D, 2D or 3D ci8 texture, lookup the index in a
+ * color table, and return 4 GLchans.
+ */
+static void FETCH(f_ci8)( const struct gl_texture_image *texImage,
+                          GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1);
+   const struct gl_color_table *palette;
+   GLuint index;
+   GET_CURRENT_CONTEXT(ctx);
+
+   if (ctx->Texture.SharedPalette) {
+      palette = &ctx->Texture.Palette;
+   }
+   else {
+      palette = &texImage->TexObject->Palette;
+   }
+   if (palette->Size == 0)
+      return; /* undefined results */
+
+   /* Mask the index against size of palette to avoid going out of bounds */
+   index = (*src) & (palette->Size - 1);
+
+   {
+      const GLfloat *table = palette->TableF;
+      switch (palette->_BaseFormat) {
+      case GL_ALPHA:
+         texel[RCOMP] =
+         texel[GCOMP] =
+         texel[BCOMP] = 0.0F;
+         texel[ACOMP] = table[index];
+         break;
+      case GL_LUMINANCE:
+         texel[RCOMP] =
+         texel[GCOMP] =
+         texel[BCOMP] = table[index];
+         texel[ACOMP] = 1.0F;
+         break;
+      case GL_INTENSITY:
+         texel[RCOMP] =
+         texel[GCOMP] =
+         texel[BCOMP] =
+         texel[ACOMP] = table[index];
+         break;
+      case GL_LUMINANCE_ALPHA:
+         texel[RCOMP] =
+         texel[GCOMP] =
+         texel[BCOMP] = table[index * 2 + 0];
+         texel[ACOMP] = table[index * 2 + 1];
+         break;
+      case GL_RGB:
+         texel[RCOMP] = table[index * 3 + 0];
+         texel[GCOMP] = table[index * 3 + 1];
+         texel[BCOMP] = table[index * 3 + 2];
+         texel[ACOMP] = 1.0F;
+         break;
+      case GL_RGBA:
+         texel[RCOMP] = table[index * 4 + 0];
+         texel[GCOMP] = table[index * 4 + 1];
+         texel[BCOMP] = table[index * 4 + 2];
+         texel[ACOMP] = table[index * 4 + 3];
+         break;
+      default:
+         _mesa_problem(ctx, "Bad palette format in fetch_texel_ci8");
+         return;
+      }
+   }
+}
+
+#if DIM == 3
+static void store_texel_ci8(struct gl_texture_image *texImage,
+                            GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLubyte *index = (const GLubyte *) texel;
+   GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1);
+   *dst = *index;
+}
+#endif
+
+
+#if FEATURE_EXT_texture_sRGB
+
+/* Fetch texel from 1D, 2D or 3D srgb8 texture, return 4 GLfloats */
+/* Note: component order is same as for MESA_FORMAT_RGB888 */
+static void FETCH(srgb8)(const struct gl_texture_image *texImage,
+                         GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 3);
+   texel[RCOMP] = nonlinear_to_linear(src[2]);
+   texel[GCOMP] = nonlinear_to_linear(src[1]);
+   texel[BCOMP] = nonlinear_to_linear(src[0]);
+   texel[ACOMP] = 1.0F;
+}
+
+#if DIM == 3
+static void store_texel_srgb8(struct gl_texture_image *texImage,
+                              GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLubyte *rgba = (const GLubyte *) texel;
+   GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 3);
+   dst[0] = rgba[BCOMP]; /* no conversion */
+   dst[1] = rgba[GCOMP];
+   dst[2] = rgba[RCOMP];
+}
+#endif
+
+/* Fetch texel from 1D, 2D or 3D srgba8 texture, return 4 GLfloats */
+static void FETCH(srgba8)(const struct gl_texture_image *texImage,
+                          GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+   texel[RCOMP] = nonlinear_to_linear( (s >> 24) );
+   texel[GCOMP] = nonlinear_to_linear( (s >> 16) & 0xff );
+   texel[BCOMP] = nonlinear_to_linear( (s >>  8) & 0xff );
+   texel[ACOMP] = UBYTE_TO_FLOAT( (s      ) & 0xff ); /* linear! */
+}
+
+#if DIM == 3
+static void store_texel_srgba8(struct gl_texture_image *texImage,
+                               GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLubyte *rgba = (const GLubyte *) texel;
+   GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+   *dst = PACK_COLOR_8888(rgba[RCOMP], rgba[GCOMP], rgba[BCOMP], rgba[ACOMP]);
+}
+#endif
+
+/* Fetch texel from 1D, 2D or 3D sargb8 texture, return 4 GLfloats */
+static void FETCH(sargb8)(const struct gl_texture_image *texImage,
+                          GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+   texel[RCOMP] = nonlinear_to_linear( (s >> 16) & 0xff );
+   texel[GCOMP] = nonlinear_to_linear( (s >>  8) & 0xff );
+   texel[BCOMP] = nonlinear_to_linear( (s      ) & 0xff );
+   texel[ACOMP] = UBYTE_TO_FLOAT( (s >> 24) ); /* linear! */
+}
+
+#if DIM == 3
+static void store_texel_sargb8(struct gl_texture_image *texImage,
+                               GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLubyte *rgba = (const GLubyte *) texel;
+   GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+   *dst = PACK_COLOR_8888(rgba[ACOMP], rgba[RCOMP], rgba[GCOMP], rgba[BCOMP]);
+}
+#endif
+
+/* Fetch texel from 1D, 2D or 3D sl8 texture, return 4 GLfloats */
+static void FETCH(sl8)(const struct gl_texture_image *texImage,
+                       GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1);
+   texel[RCOMP] = 
+   texel[GCOMP] = 
+   texel[BCOMP] = nonlinear_to_linear(src[0]);
+   texel[ACOMP] = 1.0F;
+}
+
+#if DIM == 3
+static void store_texel_sl8(struct gl_texture_image *texImage,
+                            GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLubyte *rgba = (const GLubyte *) texel;
+   GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1);
+   dst[0] = rgba[RCOMP];
+}
+#endif
+
+/* Fetch texel from 1D, 2D or 3D sla8 texture, return 4 GLfloats */
+static void FETCH(sla8)(const struct gl_texture_image *texImage,
+                       GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 2);
+   texel[RCOMP] =
+   texel[GCOMP] =
+   texel[BCOMP] = nonlinear_to_linear(src[0]);
+   texel[ACOMP] = UBYTE_TO_FLOAT(src[1]); /* linear */
+}
+
+#if DIM == 3
+static void store_texel_sla8(struct gl_texture_image *texImage,
+                            GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLubyte *rgba = (const GLubyte *) texel;
+   GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 2);
+   dst[0] = rgba[RCOMP];
+   dst[1] = rgba[ACOMP];
+}
+#endif
+
+#endif /* FEATURE_EXT_texture_sRGB */
+
+
+/* MESA_FORMAT_DUDV8 ********************************************************/
+
+/* this format by definition produces 0,0,0,1 as rgba values,
+   however we'll return the dudv values as rg and fix up elsewhere */
+static void FETCH(dudv8)(const struct gl_texture_image *texImage,
+                         GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLbyte *src = TEXEL_ADDR(GLbyte, texImage, i, j, k, 2);
+   texel[RCOMP] = BYTE_TO_FLOAT(src[0]);
+   texel[GCOMP] = BYTE_TO_FLOAT(src[1]);
+   texel[BCOMP] = 0;
+   texel[ACOMP] = 0;
+}
+
+/* MESA_FORMAT_SIGNED_RGBA8888 ***********************************************/
+
+static void FETCH(signed_rgba8888)( const struct gl_texture_image *texImage,
+			            GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+   texel[RCOMP] = BYTE_TO_FLOAT_TEX( (s >> 24)        );
+   texel[GCOMP] = BYTE_TO_FLOAT_TEX( (s >> 16) & 0xff );
+   texel[BCOMP] = BYTE_TO_FLOAT_TEX( (s >>  8) & 0xff );
+   texel[ACOMP] = BYTE_TO_FLOAT_TEX( (s      ) & 0xff );
+}
+
+#if DIM == 3
+static void store_texel_signed_rgba8888(struct gl_texture_image *texImage,
+                                        GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLbyte *rgba = (const GLbyte *) texel;
+   GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+   *dst = PACK_COLOR_8888(rgba[RCOMP], rgba[GCOMP], rgba[BCOMP], rgba[ACOMP]);
+}
+#endif
+
+static void FETCH(signed_rgba8888_rev)( const struct gl_texture_image *texImage,
+                                        GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+   texel[RCOMP] = BYTE_TO_FLOAT_TEX( (s      ) & 0xff );
+   texel[GCOMP] = BYTE_TO_FLOAT_TEX( (s >>  8) & 0xff );
+   texel[BCOMP] = BYTE_TO_FLOAT_TEX( (s >> 16) & 0xff );
+   texel[ACOMP] = BYTE_TO_FLOAT_TEX( (s >> 24)        );
+}
+
+#if DIM == 3
+static void store_texel_signed_rgba8888_rev(struct gl_texture_image *texImage,
+                                            GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLubyte *rgba = (const GLubyte *) texel;
+   GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+   *dst = PACK_COLOR_8888_REV(rgba[RCOMP], rgba[GCOMP], rgba[BCOMP], rgba[ACOMP]);
+}
+#endif
+
+
+
+/* MESA_FORMAT_YCBCR *********************************************************/
+
+/* Fetch texel from 1D, 2D or 3D ycbcr texture, return 4 GLfloats.
+ * We convert YCbCr to RGB here.
+ */
+static void FETCH(f_ycbcr)( const struct gl_texture_image *texImage,
+                            GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLushort *src0 = TEXEL_ADDR(GLushort, texImage, (i & ~1), j, k, 1); /* even */
+   const GLushort *src1 = src0 + 1;                               /* odd */
+   const GLubyte y0 = (*src0 >> 8) & 0xff;  /* luminance */
+   const GLubyte cb = *src0 & 0xff;         /* chroma U */
+   const GLubyte y1 = (*src1 >> 8) & 0xff;  /* luminance */
+   const GLubyte cr = *src1 & 0xff;         /* chroma V */
+   const GLubyte y = (i & 1) ? y1 : y0;     /* choose even/odd luminance */
+   GLfloat r = 1.164F * (y - 16) + 1.596F * (cr - 128);
+   GLfloat g = 1.164F * (y - 16) - 0.813F * (cr - 128) - 0.391F * (cb - 128);
+   GLfloat b = 1.164F * (y - 16) + 2.018F * (cb - 128);
+   r *= (1.0F / 255.0F);
+   g *= (1.0F / 255.0F);
+   b *= (1.0F / 255.0F);
+   texel[RCOMP] = CLAMP(r, 0.0F, 1.0F);
+   texel[GCOMP] = CLAMP(g, 0.0F, 1.0F);
+   texel[BCOMP] = CLAMP(b, 0.0F, 1.0F);
+   texel[ACOMP] = 1.0F;
+}
+
+#if DIM == 3
+static void store_texel_ycbcr(struct gl_texture_image *texImage,
+                              GLint i, GLint j, GLint k, const void *texel)
+{
+   (void) texImage;
+   (void) i;
+   (void) j;
+   (void) k;
+   (void) texel;
+   /* XXX to do */
+}
+#endif
+
+
+/* MESA_FORMAT_YCBCR_REV *****************************************************/
+
+/* Fetch texel from 1D, 2D or 3D ycbcr_rev texture, return 4 GLfloats.
+ * We convert YCbCr to RGB here.
+ */
+static void FETCH(f_ycbcr_rev)( const struct gl_texture_image *texImage,
+                                GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLushort *src0 = TEXEL_ADDR(GLushort, texImage, (i & ~1), j, k, 1); /* even */
+   const GLushort *src1 = src0 + 1;                               /* odd */
+   const GLubyte y0 = *src0 & 0xff;         /* luminance */
+   const GLubyte cr = (*src0 >> 8) & 0xff;  /* chroma V */
+   const GLubyte y1 = *src1 & 0xff;         /* luminance */
+   const GLubyte cb = (*src1 >> 8) & 0xff;  /* chroma U */
+   const GLubyte y = (i & 1) ? y1 : y0;     /* choose even/odd luminance */
+   GLfloat r = 1.164F * (y - 16) + 1.596F * (cr - 128);
+   GLfloat g = 1.164F * (y - 16) - 0.813F * (cr - 128) - 0.391F * (cb - 128);
+   GLfloat b = 1.164F * (y - 16) + 2.018F * (cb - 128);
+   r *= (1.0F / 255.0F);
+   g *= (1.0F / 255.0F);
+   b *= (1.0F / 255.0F);
+   texel[RCOMP] = CLAMP(r, 0.0F, 1.0F);
+   texel[GCOMP] = CLAMP(g, 0.0F, 1.0F);
+   texel[BCOMP] = CLAMP(b, 0.0F, 1.0F);
+   texel[ACOMP] = 1.0F;
+}
+
+#if DIM == 3
+static void store_texel_ycbcr_rev(struct gl_texture_image *texImage,
+                                  GLint i, GLint j, GLint k, const void *texel)
+{
+   (void) texImage;
+   (void) i;
+   (void) j;
+   (void) k;
+   (void) texel;
+   /* XXX to do */
+}
+#endif
+
+
+/* MESA_TEXFORMAT_Z24_S8 ***************************************************/
+
+static void FETCH(f_z24_s8)( const struct gl_texture_image *texImage,
+                             GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   /* only return Z, not stencil data */
+   const GLuint *src = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+   const GLfloat scale = 1.0F / (GLfloat) 0xffffff;
+   texel[0] = ((*src) >> 8) * scale;
+   ASSERT(texImage->TexFormat == MESA_FORMAT_Z24_S8);
+   ASSERT(texel[0] >= 0.0F);
+   ASSERT(texel[0] <= 1.0F);
+}
+
+#if DIM == 3
+static void store_texel_z24_s8(struct gl_texture_image *texImage,
+                               GLint i, GLint j, GLint k, const void *texel)
+{
+   /* only store Z, not stencil */
+   GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+   GLfloat depth = *((GLfloat *) texel);
+   GLuint zi = ((GLuint) (depth * 0xffffff)) << 8;
+   *dst = zi | (*dst & 0xff);
+}
+#endif
+
+
+/* MESA_TEXFORMAT_S8_Z24 ***************************************************/
+
+static void FETCH(f_s8_z24)( const struct gl_texture_image *texImage,
+                             GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   /* only return Z, not stencil data */
+   const GLuint *src = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+   const GLfloat scale = 1.0F / (GLfloat) 0xffffff;
+   texel[0] = ((*src) & 0x00ffffff) * scale;
+   ASSERT(texImage->TexFormat == MESA_FORMAT_S8_Z24);
+   ASSERT(texel[0] >= 0.0F);
+   ASSERT(texel[0] <= 1.0F);
+}
+
+#if DIM == 3
+static void store_texel_s8_z24(struct gl_texture_image *texImage,
+                               GLint i, GLint j, GLint k, const void *texel)
+{
+   /* only store Z, not stencil */
+   GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+   GLfloat depth = *((GLfloat *) texel);
+   GLuint zi = (GLuint) (depth * 0xffffff);
+   *dst = zi | (*dst & 0xff000000);
+}
+#endif
+
+
+#undef TEXEL_ADDR
+#undef DIM
+#undef FETCH
-- 
cgit v1.2.3


From 7e7f38a67d82191076b95f6faa0d419df68610da Mon Sep 17 00:00:00 2001
From: Brian Paul <brianp@vmware.com>
Date: Mon, 5 Oct 2009 17:48:22 -0600
Subject: mesa: remove feature tests

---
 src/mesa/main/formats.c      | 12 ------------
 src/mesa/main/formats.h      |  8 --------
 src/mesa/main/texfetch.c     |  4 ----
 src/mesa/main/texfetch_tmp.h |  4 ----
 4 files changed, 28 deletions(-)

(limited to 'src/mesa/main/texfetch_tmp.h')

diff --git a/src/mesa/main/formats.c b/src/mesa/main/formats.c
index ebe59f8960..c98e90d1c3 100644
--- a/src/mesa/main/formats.c
+++ b/src/mesa/main/formats.c
@@ -261,8 +261,6 @@ static struct gl_format_info format_info[MESA_FORMAT_COUNT] =
       0, 0, 0, 0, 8,               /* Lum/Int/Index/Depth/StencilBits */
       1, 1, 1                      /* BlockWidth/Height,Bytes */
    },
-
-#if FEATURE_EXT_texture_sRGB
    {
       MESA_FORMAT_SRGB8,
       GL_RGB,
@@ -303,7 +301,6 @@ static struct gl_format_info format_info[MESA_FORMAT_COUNT] =
       8, 0, 0, 0, 0,
       1, 1, 2
    },
-#if FEATURE_texture_s3tc
    {
       MESA_FORMAT_SRGB_DXT1,       /* Name */
       GL_RGB,                      /* BaseFormat */
@@ -336,10 +333,7 @@ static struct gl_format_info format_info[MESA_FORMAT_COUNT] =
       0, 0, 0, 0, 0,
       4, 4, 16                     /* 16 bytes per 4x4 block */
    },
-#endif
-#endif
 
-#if FEATURE_texture_fxt1
    {
       MESA_FORMAT_RGB_FXT1,
       GL_RGB,
@@ -356,9 +350,7 @@ static struct gl_format_info format_info[MESA_FORMAT_COUNT] =
       0, 0, 0, 0, 0,
       8, 4, 16                     /* 16 bytes per 8x4 block */
    },
-#endif
 
-#if FEATURE_texture_s3tc
    {
       MESA_FORMAT_RGB_DXT1,        /* Name */
       GL_RGB,                      /* BaseFormat */
@@ -391,8 +383,6 @@ static struct gl_format_info format_info[MESA_FORMAT_COUNT] =
       0, 0, 0, 0, 0,
       4, 4, 16                     /* 16 bytes per 4x4 block */
    },
-#endif
-
    {
       MESA_FORMAT_RGBA_FLOAT32,
       GL_RGBA,
@@ -489,7 +479,6 @@ static struct gl_format_info format_info[MESA_FORMAT_COUNT] =
       0, 16, 0, 0, 0,
       1, 1, 2
    },
-
    {
       MESA_FORMAT_DUDV8,
       GL_DUDV_ATI,
@@ -498,7 +487,6 @@ static struct gl_format_info format_info[MESA_FORMAT_COUNT] =
       0, 0, 0, 0, 0,
       1, 1, 2
    },
-
    {
       MESA_FORMAT_SIGNED_RGBA8888,
       GL_RGBA,
diff --git a/src/mesa/main/formats.h b/src/mesa/main/formats.h
index 316ff1a8ec..7a2a948991 100644
--- a/src/mesa/main/formats.h
+++ b/src/mesa/main/formats.h
@@ -79,7 +79,6 @@ typedef enum
    MESA_FORMAT_S8,              /*                               SSSS SSSS */
    /*@}*/
 
-#if FEATURE_EXT_texture_sRGB
    /**
     * \name 8-bit/channel sRGB formats
     */
@@ -89,29 +88,22 @@ typedef enum
    MESA_FORMAT_SARGB8,
    MESA_FORMAT_SL8,
    MESA_FORMAT_SLA8,
-#if FEATURE_texture_s3tc
    MESA_FORMAT_SRGB_DXT1,
    MESA_FORMAT_SRGBA_DXT1,
    MESA_FORMAT_SRGBA_DXT3,
    MESA_FORMAT_SRGBA_DXT5,
-#endif
    /*@}*/
-#endif
 
    /**
     * \name Compressed texture formats.
     */
    /*@{*/
-#if FEATURE_texture_fxt1
    MESA_FORMAT_RGB_FXT1,
    MESA_FORMAT_RGBA_FXT1,
-#endif
-#if FEATURE_texture_s3tc
    MESA_FORMAT_RGB_DXT1,
    MESA_FORMAT_RGBA_DXT1,
    MESA_FORMAT_RGBA_DXT3,
    MESA_FORMAT_RGBA_DXT5,
-#endif
    /*@}*/
 
    /**
diff --git a/src/mesa/main/texfetch.c b/src/mesa/main/texfetch.c
index 851659e9c5..fbb3170ff5 100644
--- a/src/mesa/main/texfetch.c
+++ b/src/mesa/main/texfetch.c
@@ -41,8 +41,6 @@
 #include "texfetch.h"
 
 
-#if FEATURE_EXT_texture_sRGB
-
 /**
  * Convert an 8-bit sRGB value from non-linear space to a
  * linear RGB value in [0, 1].
@@ -71,8 +69,6 @@ nonlinear_to_linear(GLubyte cs8)
 }
 
 
-#endif /* FEATURE_EXT_texture_sRGB */
-
 
 /* Texel fetch routines for all supported formats
  */
diff --git a/src/mesa/main/texfetch_tmp.h b/src/mesa/main/texfetch_tmp.h
index 3ac932b979..43030c2985 100644
--- a/src/mesa/main/texfetch_tmp.h
+++ b/src/mesa/main/texfetch_tmp.h
@@ -989,8 +989,6 @@ static void store_texel_ci8(struct gl_texture_image *texImage,
 #endif
 
 
-#if FEATURE_EXT_texture_sRGB
-
 /* Fetch texel from 1D, 2D or 3D srgb8 texture, return 4 GLfloats */
 /* Note: component order is same as for MESA_FORMAT_RGB888 */
 static void FETCH(srgb8)(const struct gl_texture_image *texImage,
@@ -1100,8 +1098,6 @@ static void store_texel_sla8(struct gl_texture_image *texImage,
 }
 #endif
 
-#endif /* FEATURE_EXT_texture_sRGB */
-
 
 /* MESA_FORMAT_DUDV8 ********************************************************/
 
-- 
cgit v1.2.3


From 74d61d03b54d72217d463c248468cdcd09320efc Mon Sep 17 00:00:00 2001
From: Brian Paul <brianp@vmware.com>
Date: Tue, 6 Oct 2009 22:30:01 -0600
Subject: mesa: added MESA_FORMAT_XRGB8888

---
 src/mesa/main/formats.c      |  9 +++++++++
 src/mesa/main/formats.h      |  1 +
 src/mesa/main/texfetch.c     |  7 +++++++
 src/mesa/main/texfetch_tmp.h | 24 ++++++++++++++++++++++++
 src/mesa/main/texstore.c     | 23 +++++++++++++++++++----
 5 files changed, 60 insertions(+), 4 deletions(-)

(limited to 'src/mesa/main/texfetch_tmp.h')

diff --git a/src/mesa/main/formats.c b/src/mesa/main/formats.c
index 483f993a75..2924ab69cc 100644
--- a/src/mesa/main/formats.c
+++ b/src/mesa/main/formats.c
@@ -114,6 +114,14 @@ static struct gl_format_info format_info[MESA_FORMAT_COUNT] =
       0, 0, 0, 0, 0,               /* Lum/Int/Index/Depth/StencilBits */
       1, 1, 4                      /* BlockWidth/Height,Bytes */
    },
+   {
+      MESA_FORMAT_XRGB8888,        /* Name */
+      GL_RGB,                      /* BaseFormat */
+      GL_UNSIGNED_NORMALIZED,      /* DataType */
+      8, 8, 8, 0,                  /* Red/Green/Blue/AlphaBits */
+      0, 0, 0, 0, 0,               /* Lum/Int/Index/Depth/StencilBits */
+      1, 1, 4                      /* BlockWidth/Height,Bytes */
+   },
    {
       MESA_FORMAT_RGB888,          /* Name */
       GL_RGB,                      /* BaseFormat */
@@ -799,6 +807,7 @@ _mesa_format_to_type_and_comps(gl_format format,
    case MESA_FORMAT_RGBA8888_REV:
    case MESA_FORMAT_ARGB8888:
    case MESA_FORMAT_ARGB8888_REV:
+   case MESA_FORMAT_XRGB8888:
       *datatype = GL_UNSIGNED_BYTE;
       *comps = 4;
       return;
diff --git a/src/mesa/main/formats.h b/src/mesa/main/formats.h
index 9da6d5d979..30915bfe4b 100644
--- a/src/mesa/main/formats.h
+++ b/src/mesa/main/formats.h
@@ -54,6 +54,7 @@ typedef enum
    MESA_FORMAT_RGBA8888_REV,	/* AAAA AAAA BBBB BBBB GGGG GGGG RRRR RRRR */
    MESA_FORMAT_ARGB8888,	/* AAAA AAAA RRRR RRRR GGGG GGGG BBBB BBBB */
    MESA_FORMAT_ARGB8888_REV,	/* BBBB BBBB GGGG GGGG RRRR RRRR AAAA AAAA */
+   MESA_FORMAT_XRGB8888,	/* xxxx xxxx RRRR RRRR GGGG GGGG BBBB BBBB */
    MESA_FORMAT_RGB888,		/*           RRRR RRRR GGGG GGGG BBBB BBBB */
    MESA_FORMAT_BGR888,		/*           BBBB BBBB GGGG GGGG RRRR RRRR */
    MESA_FORMAT_RGB565,		/*                     RRRR RGGG GGGB BBBB */
diff --git a/src/mesa/main/texfetch.c b/src/mesa/main/texfetch.c
index 63b2eacf55..c50219521b 100644
--- a/src/mesa/main/texfetch.c
+++ b/src/mesa/main/texfetch.c
@@ -368,6 +368,13 @@ texfetch_funcs[MESA_FORMAT_COUNT] =
       fetch_texel_3d_f_argb8888_rev,
       store_texel_argb8888_rev
    },
+   {
+      MESA_FORMAT_XRGB8888,
+      fetch_texel_1d_f_xrgb8888,
+      fetch_texel_2d_f_xrgb8888,
+      fetch_texel_3d_f_xrgb8888,
+      store_texel_xrgb8888
+   },
    {
       MESA_FORMAT_RGB888,
       fetch_texel_1d_f_rgb888,
diff --git a/src/mesa/main/texfetch_tmp.h b/src/mesa/main/texfetch_tmp.h
index 43030c2985..27434946ec 100644
--- a/src/mesa/main/texfetch_tmp.h
+++ b/src/mesa/main/texfetch_tmp.h
@@ -535,6 +535,30 @@ static void store_texel_argb8888_rev(struct gl_texture_image *texImage,
 #endif
 
 
+/* MESA_FORMAT_XRGB8888 ******************************************************/
+
+/* Fetch texel from 1D, 2D or 3D xrgb8888 texture, return 4 GLchans */
+static void FETCH(f_xrgb8888)( const struct gl_texture_image *texImage,
+                               GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+   texel[RCOMP] = UBYTE_TO_FLOAT( (s >> 16) & 0xff );
+   texel[GCOMP] = UBYTE_TO_FLOAT( (s >>  8) & 0xff );
+   texel[BCOMP] = UBYTE_TO_FLOAT( (s      ) & 0xff );
+   texel[ACOMP] = 1.0f;
+}
+
+#if DIM == 3
+static void store_texel_xrgb8888(struct gl_texture_image *texImage,
+                                 GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLubyte *rgba = (const GLubyte *) texel;
+   GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+   *dst = PACK_COLOR_8888(0xff, rgba[RCOMP], rgba[GCOMP], rgba[BCOMP]);
+}
+#endif
+
+
 /* MESA_FORMAT_RGB888 ********************************************************/
 
 /* Fetch texel from 1D, 2D or 3D rgb888 texture, return 4 GLchans */
diff --git a/src/mesa/main/texstore.c b/src/mesa/main/texstore.c
index 7754644da9..604f6c462a 100644
--- a/src/mesa/main/texstore.c
+++ b/src/mesa/main/texstore.c
@@ -1344,12 +1344,14 @@ _mesa_texstore_argb8888(TEXSTORE_PARAMS)
    const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
 
    ASSERT(dstFormat == MESA_FORMAT_ARGB8888 ||
-          dstFormat == MESA_FORMAT_ARGB8888_REV);
+          dstFormat == MESA_FORMAT_ARGB8888_REV ||
+          dstFormat == MESA_FORMAT_XRGB8888);
    ASSERT(texelBytes == 4);
 
    if (!ctx->_ImageTransferState &&
        !srcPacking->SwapBytes &&
-       dstFormat == MESA_FORMAT_ARGB8888 &&
+       (dstFormat == MESA_FORMAT_ARGB8888 ||
+        dstFormat == MESA_FORMAT_XRGB8888) &&
        baseInternalFormat == GL_RGBA &&
        srcFormat == GL_BGRA &&
        ((srcType == GL_UNSIGNED_BYTE && littleEndian) ||
@@ -1379,7 +1381,8 @@ _mesa_texstore_argb8888(TEXSTORE_PARAMS)
    }
    else if (!ctx->_ImageTransferState &&
             !srcPacking->SwapBytes &&
-	    dstFormat == MESA_FORMAT_ARGB8888 &&
+	    (dstFormat == MESA_FORMAT_ARGB8888 ||
+             dstFormat == MESA_FORMAT_XRGB8888) &&
             srcFormat == GL_RGB &&
 	    (baseInternalFormat == GL_RGBA ||
 	     baseInternalFormat == GL_RGB) &&
@@ -1455,6 +1458,7 @@ _mesa_texstore_argb8888(TEXSTORE_PARAMS)
       /* dstmap - how to swizzle from RGBA to dst format:
        */
       if ((littleEndian && dstFormat == MESA_FORMAT_ARGB8888) ||
+          (littleEndian && dstFormat == MESA_FORMAT_XRGB8888) ||
 	  (!littleEndian && dstFormat == MESA_FORMAT_ARGB8888_REV)) {
 	 dstmap[3] = 3;		/* alpha */
 	 dstmap[2] = 0;		/* red */
@@ -1463,7 +1467,8 @@ _mesa_texstore_argb8888(TEXSTORE_PARAMS)
       }
       else {
 	 assert((littleEndian && dstFormat == MESA_FORMAT_ARGB8888_REV) ||
-		(!littleEndian && dstFormat == MESA_FORMAT_ARGB8888));
+		(!littleEndian && dstFormat == MESA_FORMAT_ARGB8888) ||
+		(!littleEndian && dstFormat == MESA_FORMAT_XRGB8888));
 	 dstmap[3] = 2;
 	 dstmap[2] = 1;
 	 dstmap[1] = 0;
@@ -1511,6 +1516,15 @@ _mesa_texstore_argb8888(TEXSTORE_PARAMS)
                   src += 4;
                }
             }
+            else if (dstFormat == MESA_FORMAT_XRGB8888) {
+               for (col = 0; col < srcWidth; col++) {
+                  dstUI[col] = PACK_COLOR_8888( 0xff,
+                                                CHAN_TO_UBYTE(src[RCOMP]),
+                                                CHAN_TO_UBYTE(src[GCOMP]),
+                                                CHAN_TO_UBYTE(src[BCOMP]) );
+                  src += 4;
+               }
+            }
             else {
                for (col = 0; col < srcWidth; col++) {
                   dstUI[col] = PACK_COLOR_8888_REV( CHAN_TO_UBYTE(src[ACOMP]),
@@ -2973,6 +2987,7 @@ texstore_funcs[MESA_FORMAT_COUNT] =
    { MESA_FORMAT_RGBA8888_REV, _mesa_texstore_rgba8888 },
    { MESA_FORMAT_ARGB8888, _mesa_texstore_argb8888 },
    { MESA_FORMAT_ARGB8888_REV, _mesa_texstore_argb8888 },
+   { MESA_FORMAT_XRGB8888, _mesa_texstore_argb8888 },
    { MESA_FORMAT_RGB888, _mesa_texstore_rgb888 },
    { MESA_FORMAT_BGR888, _mesa_texstore_bgr888 },
    { MESA_FORMAT_RGB565, _mesa_texstore_rgb565 },
-- 
cgit v1.2.3


From 975871b4d5e25ddcd350f4e1600c00d37f65fea1 Mon Sep 17 00:00:00 2001
From: Ian Romanick <ian.d.romanick@intel.com>
Date: Mon, 16 Nov 2009 14:52:43 -0800
Subject: AL1616: Add texel fetch / store routines

---
 src/mesa/main/texfetch.c     | 14 +++++++++++++
 src/mesa/main/texfetch_tmp.h | 48 ++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 62 insertions(+)

(limited to 'src/mesa/main/texfetch_tmp.h')

diff --git a/src/mesa/main/texfetch.c b/src/mesa/main/texfetch.c
index 314ccb7b65..c431d3a1db 100644
--- a/src/mesa/main/texfetch.c
+++ b/src/mesa/main/texfetch.c
@@ -452,6 +452,20 @@ texfetch_funcs[MESA_FORMAT_COUNT] =
       fetch_texel_3d_f_al88_rev,
       store_texel_al88_rev
    },
+   {
+      MESA_FORMAT_AL1616,
+      fetch_texel_1d_f_al1616,
+      fetch_texel_2d_f_al1616,
+      fetch_texel_3d_f_al1616,
+      store_texel_al1616
+   },
+   {
+      MESA_FORMAT_AL1616_REV,
+      fetch_texel_1d_f_al1616_rev,
+      fetch_texel_2d_f_al1616_rev,
+      fetch_texel_3d_f_al1616_rev,
+      store_texel_al1616_rev
+   },
    {
       MESA_FORMAT_RGB332,
       fetch_texel_1d_f_rgb332,
diff --git a/src/mesa/main/texfetch_tmp.h b/src/mesa/main/texfetch_tmp.h
index 27434946ec..093e0abc49 100644
--- a/src/mesa/main/texfetch_tmp.h
+++ b/src/mesa/main/texfetch_tmp.h
@@ -834,6 +834,54 @@ static void store_texel_al88_rev(struct gl_texture_image *texImage,
 #endif
 
 
+/* MESA_FORMAT_AL1616 ********************************************************/
+
+/* Fetch texel from 1D, 2D or 3D al1616 texture, return 4 GLchans */
+static void FETCH(f_al1616)( const struct gl_texture_image *texImage,
+			     GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLuint s = *TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
+   texel[RCOMP] =
+   texel[GCOMP] =
+   texel[BCOMP] = USHORT_TO_FLOAT( s & 0xffff );
+   texel[ACOMP] = USHORT_TO_FLOAT( s >> 16 );
+}
+
+#if DIM == 3
+static void store_texel_al1616(struct gl_texture_image *texImage,
+                             GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLushort *rgba = (const GLushort *) texel;
+   GLuint *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
+   *dst = PACK_COLOR_1616(rgba[ACOMP], rgba[RCOMP]);
+}
+#endif
+
+
+/* MESA_FORMAT_AL1616_REV ****************************************************/
+
+/* Fetch texel from 1D, 2D or 3D al1616_rev texture, return 4 GLchans */
+static void FETCH(f_al1616_rev)( const struct gl_texture_image *texImage,
+				 GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+   texel[RCOMP] =
+   texel[GCOMP] =
+   texel[BCOMP] = USHORT_TO_FLOAT( s >> 16 );
+   texel[ACOMP] = USHORT_TO_FLOAT( s & 0xffff );
+}
+
+#if DIM == 3
+static void store_texel_al1616_rev(struct gl_texture_image *texImage,
+				   GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLushort *rgba = (const GLushort *) texel;
+   GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+   *dst = PACK_COLOR_1616(rgba[RCOMP], rgba[ACOMP]);
+}
+#endif
+
+
 /* MESA_FORMAT_RGB332 ********************************************************/
 
 /* Fetch texel from 1D, 2D or 3D rgb332 texture, return 4 GLchans */
-- 
cgit v1.2.3


From 2d0c2952566810ef1b277b49b064f4874a973112 Mon Sep 17 00:00:00 2001
From: Michel Dänzer <daenzer@vmware.com>
Date: Tue, 17 Nov 2009 08:05:22 +0100
Subject: Add MESA_FORMAT_XRGB8888_REV.

---
 src/mesa/main/formats.c      |  9 +++++++++
 src/mesa/main/formats.h      |  1 +
 src/mesa/main/texfetch.c     |  7 +++++++
 src/mesa/main/texfetch_tmp.h | 24 ++++++++++++++++++++++++
 src/mesa/main/texstore.c     | 11 ++++++++---
 5 files changed, 49 insertions(+), 3 deletions(-)

(limited to 'src/mesa/main/texfetch_tmp.h')

diff --git a/src/mesa/main/formats.c b/src/mesa/main/formats.c
index 7d64c462b1..329b795074 100644
--- a/src/mesa/main/formats.c
+++ b/src/mesa/main/formats.c
@@ -132,6 +132,15 @@ static struct gl_format_info format_info[MESA_FORMAT_COUNT] =
       0, 0, 0, 0, 0,               /* Lum/Int/Index/Depth/StencilBits */
       1, 1, 4                      /* BlockWidth/Height,Bytes */
    },
+   {
+      MESA_FORMAT_XRGB8888_REV,    /* Name */
+      "MESA_FORMAT_XRGB8888_REV",  /* StrName */
+      GL_RGB,                      /* BaseFormat */
+      GL_UNSIGNED_NORMALIZED,      /* DataType */
+      8, 8, 8, 0,                  /* Red/Green/Blue/AlphaBits */
+      0, 0, 0, 0, 0,               /* Lum/Int/Index/Depth/StencilBits */
+      1, 1, 4                      /* BlockWidth/Height,Bytes */
+   },
    {
       MESA_FORMAT_RGB888,          /* Name */
       "MESA_FORMAT_RGB888",        /* StrName */
diff --git a/src/mesa/main/formats.h b/src/mesa/main/formats.h
index d3ac436b1b..eba28a69be 100644
--- a/src/mesa/main/formats.h
+++ b/src/mesa/main/formats.h
@@ -55,6 +55,7 @@ typedef enum
    MESA_FORMAT_ARGB8888,	/* AAAA AAAA RRRR RRRR GGGG GGGG BBBB BBBB */
    MESA_FORMAT_ARGB8888_REV,	/* BBBB BBBB GGGG GGGG RRRR RRRR AAAA AAAA */
    MESA_FORMAT_XRGB8888,	/* xxxx xxxx RRRR RRRR GGGG GGGG BBBB BBBB */
+   MESA_FORMAT_XRGB8888_REV,	/* BBBB BBBB GGGG GGGG RRRR RRRR xxxx xxxx */
    MESA_FORMAT_RGB888,		/*           RRRR RRRR GGGG GGGG BBBB BBBB */
    MESA_FORMAT_BGR888,		/*           BBBB BBBB GGGG GGGG RRRR RRRR */
    MESA_FORMAT_RGB565,		/*                     RRRR RGGG GGGB BBBB */
diff --git a/src/mesa/main/texfetch.c b/src/mesa/main/texfetch.c
index c431d3a1db..f4f2be48c3 100644
--- a/src/mesa/main/texfetch.c
+++ b/src/mesa/main/texfetch.c
@@ -375,6 +375,13 @@ texfetch_funcs[MESA_FORMAT_COUNT] =
       fetch_texel_3d_f_xrgb8888,
       store_texel_xrgb8888
    },
+   {
+      MESA_FORMAT_XRGB8888_REV,
+      fetch_texel_1d_f_xrgb8888_rev,
+      fetch_texel_2d_f_xrgb8888_rev,
+      fetch_texel_3d_f_xrgb8888_rev,
+      store_texel_xrgb8888_rev,
+   },
    {
       MESA_FORMAT_RGB888,
       fetch_texel_1d_f_rgb888,
diff --git a/src/mesa/main/texfetch_tmp.h b/src/mesa/main/texfetch_tmp.h
index 093e0abc49..6fac7ba1e1 100644
--- a/src/mesa/main/texfetch_tmp.h
+++ b/src/mesa/main/texfetch_tmp.h
@@ -559,6 +559,30 @@ static void store_texel_xrgb8888(struct gl_texture_image *texImage,
 #endif
 
 
+/* MESA_FORMAT_XRGB8888_REV **************************************************/
+
+/* Fetch texel from 1D, 2D or 3D xrgb8888_rev texture, return 4 GLfloats */
+static void FETCH(f_xrgb8888_rev)( const struct gl_texture_image *texImage,
+                                   GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+   texel[RCOMP] = UBYTE_TO_FLOAT( (s >>  8) & 0xff );
+   texel[GCOMP] = UBYTE_TO_FLOAT( (s >> 16) & 0xff );
+   texel[BCOMP] = UBYTE_TO_FLOAT( (s >> 24)        );
+   texel[ACOMP] = 1.0f;
+}
+
+#if DIM == 3
+static void store_texel_xrgb8888_rev(struct gl_texture_image *texImage,
+                                     GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLubyte *rgba = (const GLubyte *) texel;
+   GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+   *dst = PACK_COLOR_8888(rgba[BCOMP], rgba[GCOMP], rgba[RCOMP], 0xff);
+}
+#endif
+
+
 /* MESA_FORMAT_RGB888 ********************************************************/
 
 /* Fetch texel from 1D, 2D or 3D rgb888 texture, return 4 GLchans */
diff --git a/src/mesa/main/texstore.c b/src/mesa/main/texstore.c
index 7cf3287713..abb4ed2663 100644
--- a/src/mesa/main/texstore.c
+++ b/src/mesa/main/texstore.c
@@ -1410,7 +1410,8 @@ _mesa_texstore_argb8888(TEXSTORE_PARAMS)
 
    ASSERT(dstFormat == MESA_FORMAT_ARGB8888 ||
           dstFormat == MESA_FORMAT_ARGB8888_REV ||
-          dstFormat == MESA_FORMAT_XRGB8888);
+          dstFormat == MESA_FORMAT_XRGB8888 ||
+          dstFormat == MESA_FORMAT_XRGB8888_REV );
    ASSERT(texelBytes == 4);
 
    if (!ctx->_ImageTransferState &&
@@ -1431,7 +1432,8 @@ _mesa_texstore_argb8888(TEXSTORE_PARAMS)
    }
    else if (!ctx->_ImageTransferState &&
        !srcPacking->SwapBytes &&
-       dstFormat == MESA_FORMAT_ARGB8888_REV &&
+       (dstFormat == MESA_FORMAT_ARGB8888_REV ||
+        dstFormat == MESA_FORMAT_XRGB8888_REV) &&
        baseInternalFormat == GL_RGBA &&
        srcFormat == GL_BGRA &&
        ((srcType == GL_UNSIGNED_BYTE && !littleEndian) ||
@@ -1524,7 +1526,8 @@ _mesa_texstore_argb8888(TEXSTORE_PARAMS)
        */
       if ((littleEndian && dstFormat == MESA_FORMAT_ARGB8888) ||
           (littleEndian && dstFormat == MESA_FORMAT_XRGB8888) ||
-	  (!littleEndian && dstFormat == MESA_FORMAT_ARGB8888_REV)) {
+	  (!littleEndian && dstFormat == MESA_FORMAT_ARGB8888_REV) ||
+	  (!littleEndian && dstFormat == MESA_FORMAT_XRGB8888_REV)) {
 	 dstmap[3] = 3;		/* alpha */
 	 dstmap[2] = 0;		/* red */
 	 dstmap[1] = 1;		/* green */
@@ -1533,6 +1536,7 @@ _mesa_texstore_argb8888(TEXSTORE_PARAMS)
       else {
 	 assert((littleEndian && dstFormat == MESA_FORMAT_ARGB8888_REV) ||
 		(!littleEndian && dstFormat == MESA_FORMAT_ARGB8888) ||
+		(littleEndian && dstFormat == MESA_FORMAT_XRGB8888_REV) ||
 		(!littleEndian && dstFormat == MESA_FORMAT_XRGB8888));
 	 dstmap[3] = 2;
 	 dstmap[2] = 1;
@@ -3133,6 +3137,7 @@ texstore_funcs[MESA_FORMAT_COUNT] =
    { MESA_FORMAT_ARGB8888, _mesa_texstore_argb8888 },
    { MESA_FORMAT_ARGB8888_REV, _mesa_texstore_argb8888 },
    { MESA_FORMAT_XRGB8888, _mesa_texstore_argb8888 },
+   { MESA_FORMAT_XRGB8888_REV, _mesa_texstore_argb8888 },
    { MESA_FORMAT_RGB888, _mesa_texstore_rgb888 },
    { MESA_FORMAT_BGR888, _mesa_texstore_bgr888 },
    { MESA_FORMAT_RGB565, _mesa_texstore_rgb565 },
-- 
cgit v1.2.3


From bc8fb028c6c9e7c9bd4f6aaf094a606c447e3711 Mon Sep 17 00:00:00 2001
From: Brian Paul <brianp@vmware.com>
Date: Tue, 17 Nov 2009 16:15:56 -0700
Subject: mesa: fix incorrect type in store_texel_al1616()

---
 src/mesa/main/texfetch_tmp.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/mesa/main/texfetch_tmp.h')

diff --git a/src/mesa/main/texfetch_tmp.h b/src/mesa/main/texfetch_tmp.h
index 6fac7ba1e1..1f0d436236 100644
--- a/src/mesa/main/texfetch_tmp.h
+++ b/src/mesa/main/texfetch_tmp.h
@@ -876,7 +876,7 @@ static void store_texel_al1616(struct gl_texture_image *texImage,
                              GLint i, GLint j, GLint k, const void *texel)
 {
    const GLushort *rgba = (const GLushort *) texel;
-   GLuint *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
+   GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
    *dst = PACK_COLOR_1616(rgba[ACOMP], rgba[RCOMP]);
 }
 #endif
-- 
cgit v1.2.3


From b47f7316dab5eb81bc7e60dc93bb5dbe824c43d4 Mon Sep 17 00:00:00 2001
From: Eric Anholt <eric@anholt.net>
Date: Wed, 2 Dec 2009 12:15:46 -0800
Subject: mesa: Fix copy'n'paste problem in al1616 texel fetch.

---
 src/mesa/main/texfetch_tmp.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/mesa/main/texfetch_tmp.h')

diff --git a/src/mesa/main/texfetch_tmp.h b/src/mesa/main/texfetch_tmp.h
index 1f0d436236..e6772c89f3 100644
--- a/src/mesa/main/texfetch_tmp.h
+++ b/src/mesa/main/texfetch_tmp.h
@@ -864,7 +864,7 @@ static void store_texel_al88_rev(struct gl_texture_image *texImage,
 static void FETCH(f_al1616)( const struct gl_texture_image *texImage,
 			     GLint i, GLint j, GLint k, GLfloat *texel )
 {
-   const GLuint s = *TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
+   const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
    texel[RCOMP] =
    texel[GCOMP] =
    texel[BCOMP] = USHORT_TO_FLOAT( s & 0xffff );
-- 
cgit v1.2.3