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authorBrian Paul <brian.paul@tungstengraphics.com>2002-09-21 16:51:25 +0000
committerBrian Paul <brian.paul@tungstengraphics.com>2002-09-21 16:51:25 +0000
commitc5b995066020191982b2315fc45d05e068eee761 (patch)
tree9ca2e3a49b84631aa61ef97d072439228478b3cb /src/mesa/main/texutil.c
parentc62aeed003cc20b189d71bc53256419e0d630aaf (diff)
updates from 4.0.4 (MESA_ycbcr_texture, APPLE_client_storage, etc)
Diffstat (limited to 'src/mesa/main/texutil.c')
-rw-r--r--src/mesa/main/texutil.c163
1 files changed, 127 insertions, 36 deletions
diff --git a/src/mesa/main/texutil.c b/src/mesa/main/texutil.c
index 97e9c4561b..75bd3b2263 100644
--- a/src/mesa/main/texutil.c
+++ b/src/mesa/main/texutil.c
@@ -1,4 +1,4 @@
-/* $Id: texutil.c,v 1.30 2002/06/12 00:53:24 brianp Exp $ */
+/* $Id: texutil.c,v 1.31 2002/09/21 16:51:25 brianp Exp $ */
/*
* Mesa 3-D graphics library
@@ -27,6 +27,14 @@
* Gareth Hughes <gareth@valinux.com>
*/
+/*
+ * Description:
+ * Functions for texture image conversion. This takes care of converting
+ * typical GL_RGBA/GLubyte textures into hardware-specific formats.
+ * We can handle non-standard row strides and pixel unpacking parameters.
+ */
+
+
#ifdef PC_HEADER
#include "all.h"
#else
@@ -51,7 +59,7 @@
#endif
-struct gl_texture_convert {
+struct convert_info {
GLint xoffset, yoffset, zoffset; /* Subimage offset */
GLint width, height, depth; /* Subimage region */
@@ -67,15 +75,16 @@ struct gl_texture_convert {
GLint index;
};
-typedef GLboolean (*convert_func)( struct gl_texture_convert *convert );
+typedef GLboolean (*convert_func)( const struct convert_info *convert );
+/* bitvalues for convert->index */
#define CONVERT_STRIDE_BIT 0x1
#define CONVERT_UNPACKING_BIT 0x2
/* =============================================================
- * RGBA8888 textures:
+ * Convert to RGBA8888 textures:
*/
#define DST_TYPE GLuint
@@ -118,7 +127,7 @@ typedef GLboolean (*convert_func)( struct gl_texture_convert *convert );
#define CONVERT_RGBA8888( name ) \
static GLboolean \
-convert_##name##_rgba8888( struct gl_texture_convert *convert ) \
+convert_##name##_rgba8888( const struct convert_info *convert ) \
{ \
convert_func *tab; \
GLint index = convert->index; \
@@ -154,7 +163,7 @@ CONVERT_RGBA8888( texsubimage3d )
/* =============================================================
- * ARGB8888 textures:
+ * Convert to ARGB8888 textures:
*/
#define DST_TYPE GLuint
@@ -197,7 +206,7 @@ CONVERT_RGBA8888( texsubimage3d )
#define CONVERT_ARGB8888( name ) \
static GLboolean \
-convert_##name##_argb8888( struct gl_texture_convert *convert ) \
+convert_##name##_argb8888( const struct convert_info *convert ) \
{ \
convert_func *tab; \
GLint index = convert->index; \
@@ -232,11 +241,11 @@ CONVERT_ARGB8888( texsubimage3d )
/* =============================================================
- * RGB888 textures:
+ * Convert to RGB888 textures:
*/
static GLboolean
-convert_texsubimage2d_rgb888( struct gl_texture_convert *convert )
+convert_texsubimage2d_rgb888( const struct convert_info *convert )
{
/* This is a placeholder for now...
*/
@@ -244,7 +253,7 @@ convert_texsubimage2d_rgb888( struct gl_texture_convert *convert )
}
static GLboolean
-convert_texsubimage3d_rgb888( struct gl_texture_convert *convert )
+convert_texsubimage3d_rgb888( const struct convert_info *convert )
{
/* This is a placeholder for now...
*/
@@ -254,7 +263,7 @@ convert_texsubimage3d_rgb888( struct gl_texture_convert *convert )
/* =============================================================
- * RGB565 textures:
+ * Convert to RGB565 textures:
*/
#define DST_TYPE GLushort
@@ -301,7 +310,7 @@ convert_texsubimage3d_rgb888( struct gl_texture_convert *convert )
#define CONVERT_RGB565( name ) \
static GLboolean \
-convert_##name##_rgb565( struct gl_texture_convert *convert ) \
+convert_##name##_rgb565( const struct convert_info *convert ) \
{ \
convert_func *tab; \
GLint index = convert->index; \
@@ -336,7 +345,7 @@ CONVERT_RGB565( texsubimage3d )
/* =============================================================
- * ARGB4444 textures:
+ * Convert to ARGB4444 textures:
*/
#define DST_TYPE GLushort
@@ -369,7 +378,7 @@ CONVERT_RGB565( texsubimage3d )
#define CONVERT_ARGB4444( name ) \
static GLboolean \
-convert_##name##_argb4444( struct gl_texture_convert *convert ) \
+convert_##name##_argb4444( const struct convert_info *convert ) \
{ \
convert_func *tab; \
GLint index = convert->index; \
@@ -399,7 +408,7 @@ CONVERT_ARGB4444( texsubimage3d )
/* =============================================================
- * ARGB1555 textures:
+ * Convert to ARGB1555 textures:
*/
#define DST_TYPE GLushort
@@ -463,7 +472,7 @@ CONVERT_ARGB4444( texsubimage3d )
#define CONVERT_ARGB1555( name ) \
static GLboolean \
-convert_##name##_argb1555( struct gl_texture_convert *convert ) \
+convert_##name##_argb1555( const struct convert_info *convert ) \
{ \
convert_func *tab; \
GLint index = convert->index; \
@@ -559,7 +568,7 @@ CONVERT_ARGB1555( texsubimage3d )
#define CONVERT_AL88( name ) \
static GLboolean \
-convert_##name##_al88( struct gl_texture_convert *convert ) \
+convert_##name##_al88( const struct convert_info *convert ) \
{ \
convert_func *tab; \
GLint index = convert->index; \
@@ -599,11 +608,11 @@ CONVERT_AL88( texsubimage3d )
/* =============================================================
- * RGB332 textures:
+ * Convert to RGB332 textures:
*/
static GLboolean
-convert_texsubimage2d_rgb332( struct gl_texture_convert *convert )
+convert_texsubimage2d_rgb332( const struct convert_info *convert )
{
/* This is a placeholder for now...
*/
@@ -611,7 +620,7 @@ convert_texsubimage2d_rgb332( struct gl_texture_convert *convert )
}
static GLboolean
-convert_texsubimage3d_rgb332( struct gl_texture_convert *convert )
+convert_texsubimage3d_rgb332( const struct convert_info *convert )
{
/* This is a placeholder for now...
*/
@@ -639,7 +648,7 @@ convert_texsubimage3d_rgb332( struct gl_texture_convert *convert )
#define CONVERT_CI8( name ) \
static GLboolean \
-convert_##name##_ci8( struct gl_texture_convert *convert ) \
+convert_##name##_ci8( const struct convert_info *convert ) \
{ \
convert_func *tab; \
GLint index = convert->index; \
@@ -665,12 +674,88 @@ CONVERT_CI8( texsubimage2d )
CONVERT_CI8( texsubimage3d )
+/* =============================================================
+ * convert to YCBCR textures:
+ */
+
+#define DST_TYPE GLushort
+#define DST_TEXELS_PER_DWORD 2
+
+#define CONVERT_TEXEL( dst, src ) \
+ dst = (src[0] << 8) | src[1];
+
+#define CONVERT_DIRECT
+
+#define SRC_TEXEL_BYTES 2
+
+#define TAG(x) x##_ycbcr_direct
+#include "texutil_tmp.h"
+
+
+#define CONVERT_YCBCR( name ) \
+static GLboolean \
+convert_##name##_ycbcr( const struct convert_info *convert ) \
+{ \
+ convert_func *tab; \
+ GLint index = convert->index; \
+ \
+ if (convert->format != GL_YCBCR_MESA) { \
+ /* Can't handle this source format/type combination */ \
+ return GL_FALSE; \
+ } \
+ tab = name##_tab_ycbcr_direct; \
+ \
+ return tab[index]( convert ); \
+}
+
+CONVERT_YCBCR( texsubimage2d )
+CONVERT_YCBCR( texsubimage3d )
+
+
+/* =============================================================
+ * convert to YCBCR_REV textures:
+ */
+
+#define DST_TYPE GLushort
+#define DST_TEXELS_PER_DWORD 2
+
+#define CONVERT_TEXEL( dst, src ) \
+ dst = (src[1] << 8) | src[0];
+
+#define CONVERT_DIRECT
+
+#define SRC_TEXEL_BYTES 2
+
+#define TAG(x) x##_ycbcr_rev_direct
+#include "texutil_tmp.h"
+
+
+#define CONVERT_YCBCR_REV( name ) \
+static GLboolean \
+convert_##name##_ycbcr_rev( const struct convert_info *convert ) \
+{ \
+ convert_func *tab; \
+ GLint index = convert->index; \
+ \
+ if (convert->format != GL_YCBCR_MESA) { \
+ /* Can't handle this source format/type combination */ \
+ return GL_FALSE; \
+ } \
+ tab = name##_tab_ycbcr_rev_direct; \
+ \
+ return tab[index]( convert ); \
+}
+
+CONVERT_YCBCR_REV( texsubimage2d )
+CONVERT_YCBCR_REV( texsubimage3d )
+
+
/* =============================================================
* Global entry points
*/
-static convert_func gl_convert_texsubimage2d_tab[] = {
+static convert_func convert_texsubimage2d_tab[] = {
convert_texsubimage2d_rgba8888,
convert_texsubimage2d_argb8888,
convert_texsubimage2d_rgb888,
@@ -683,9 +768,11 @@ static convert_func gl_convert_texsubimage2d_tab[] = {
convert_texsubimage2d_ci8,
convert_texsubimage2d_ci8,
convert_texsubimage2d_ci8,
+ convert_texsubimage2d_ycbcr,
+ convert_texsubimage2d_ycbcr_rev,
};
-static convert_func gl_convert_texsubimage3d_tab[] = {
+static convert_func convert_texsubimage3d_tab[] = {
convert_texsubimage3d_rgba8888,
convert_texsubimage3d_argb8888,
convert_texsubimage3d_rgb888,
@@ -698,6 +785,8 @@ static convert_func gl_convert_texsubimage3d_tab[] = {
convert_texsubimage3d_ci8,
convert_texsubimage3d_ci8,
convert_texsubimage3d_ci8,
+ convert_texsubimage3d_ycbcr,
+ convert_texsubimage3d_ycbcr_rev,
};
@@ -735,14 +824,14 @@ _mesa_convert_texsubimage1d( GLint mesaFormat,
const struct gl_pixelstore_attrib *unpacking,
const GLvoid *srcImage, GLvoid *dstImage )
{
- struct gl_texture_convert convert;
+ struct convert_info convert;
ASSERT( unpacking );
ASSERT( srcImage );
ASSERT( dstImage );
ASSERT( mesaFormat >= MESA_FORMAT_RGBA8888 );
- ASSERT( mesaFormat <= MESA_FORMAT_CI8 );
+ ASSERT( mesaFormat <= MESA_FORMAT_YCBCR_REV );
/* Make it easier to pass all the parameters around.
*/
@@ -761,7 +850,9 @@ _mesa_convert_texsubimage1d( GLint mesaFormat,
if ( convert_needs_unpacking( unpacking, format, type ) )
convert.index |= CONVERT_UNPACKING_BIT;
- return gl_convert_texsubimage2d_tab[mesaFormat]( &convert );
+ ASSERT(convert.index < 4);
+
+ return convert_texsubimage2d_tab[mesaFormat]( &convert );
}
@@ -791,22 +882,22 @@ _mesa_convert_texsubimage1d( GLint mesaFormat,
* destImage - pointer to dest image
*/
GLboolean
-_mesa_convert_texsubimage2d( GLint mesaFormat,
+_mesa_convert_texsubimage2d( GLint mesaFormat, /* dest */
GLint xoffset, GLint yoffset,
GLint width, GLint height,
GLint destImageWidth,
- GLenum format, GLenum type,
+ GLenum format, GLenum type, /* source */
const struct gl_pixelstore_attrib *unpacking,
const GLvoid *srcImage, GLvoid *dstImage )
{
- struct gl_texture_convert convert;
+ struct convert_info convert;
ASSERT( unpacking );
ASSERT( srcImage );
ASSERT( dstImage );
ASSERT( mesaFormat >= MESA_FORMAT_RGBA8888 );
- ASSERT( mesaFormat <= MESA_FORMAT_CI8 );
+ ASSERT( mesaFormat <= MESA_FORMAT_YCBCR_REV );
/* Make it easier to pass all the parameters around.
*/
@@ -829,26 +920,26 @@ _mesa_convert_texsubimage2d( GLint mesaFormat,
if ( width != destImageWidth )
convert.index |= CONVERT_STRIDE_BIT;
- return gl_convert_texsubimage2d_tab[mesaFormat]( &convert );
+ return convert_texsubimage2d_tab[mesaFormat]( &convert );
}
GLboolean
-_mesa_convert_texsubimage3d( GLint mesaFormat,
+_mesa_convert_texsubimage3d( GLint mesaFormat, /* dest */
GLint xoffset, GLint yoffset, GLint zoffset,
GLint width, GLint height, GLint depth,
GLint dstImageWidth, GLint dstImageHeight,
- GLenum format, GLenum type,
+ GLenum format, GLenum type, /* source */
const struct gl_pixelstore_attrib *unpacking,
const GLvoid *srcImage, GLvoid *dstImage )
{
- struct gl_texture_convert convert;
+ struct convert_info convert;
ASSERT( unpacking );
ASSERT( srcImage );
ASSERT( dstImage );
ASSERT( mesaFormat >= MESA_FORMAT_RGBA8888 );
- ASSERT( mesaFormat <= MESA_FORMAT_CI8 );
+ ASSERT( mesaFormat <= MESA_FORMAT_YCBCR_REV );
/* Make it easier to pass all the parameters around.
*/
@@ -874,7 +965,7 @@ _mesa_convert_texsubimage3d( GLint mesaFormat,
if ( width != dstImageWidth || height != dstImageHeight )
convert.index |= CONVERT_STRIDE_BIT;
- return gl_convert_texsubimage3d_tab[mesaFormat]( &convert );
+ return convert_texsubimage3d_tab[mesaFormat]( &convert );
}