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-rw-r--r--src/mesa/main/image.c114
1 files changed, 60 insertions, 54 deletions
diff --git a/src/mesa/main/image.c b/src/mesa/main/image.c
index 9869d8cf949..133f79ab29a 100644
--- a/src/mesa/main/image.c
+++ b/src/mesa/main/image.c
@@ -1,4 +1,4 @@
-/* $Id: image.c,v 1.21 2000/03/21 00:48:53 brianp Exp $ */
+/* $Id: image.c,v 1.22 2000/03/21 01:03:40 brianp Exp $ */
/*
* Mesa 3-D graphics library
@@ -63,7 +63,8 @@ struct gl_pixelstore_attrib _mesa_native_packing = {
/*
* Flip the 8 bits in each byte of the given array.
*/
-void gl_flip_bytes( GLubyte *p, GLuint n )
+static void
+flip_bytes( GLubyte *p, GLuint n )
{
register GLuint i, a, b;
@@ -85,7 +86,8 @@ void gl_flip_bytes( GLubyte *p, GLuint n )
/*
* Flip the order of the 2 bytes in each word in the given array.
*/
-void gl_swap2( GLushort *p, GLuint n )
+void
+_mesa_swap2( GLushort *p, GLuint n )
{
register GLuint i;
@@ -99,7 +101,8 @@ void gl_swap2( GLushort *p, GLuint n )
/*
* Flip the order of the 4 bytes in each word in the given array.
*/
-void gl_swap4( GLuint *p, GLuint n )
+void
+_mesa_swap4( GLuint *p, GLuint n )
{
register GLuint i, a, b;
@@ -121,7 +124,7 @@ void gl_swap4( GLuint *p, GLuint n )
* Return 0 if GL_BITMAP.
* Return -1 if invalid type enum.
*/
-GLint gl_sizeof_type( GLenum type )
+GLint _mesa_sizeof_type( GLenum type )
{
switch (type) {
case GL_BITMAP:
@@ -147,10 +150,10 @@ GLint gl_sizeof_type( GLenum type )
/*
- * Same as gl_sizeof_packed_type() but we also accept the
+ * Same as _mesa_sizeof_packed_type() but we also accept the
* packed pixel format datatypes.
*/
-GLint gl_sizeof_packed_type( GLenum type )
+GLint _mesa_sizeof_packed_type( GLenum type )
{
switch (type) {
case GL_BITMAP:
@@ -204,7 +207,7 @@ GLint gl_sizeof_packed_type( GLenum type )
* Return the number of components in a GL enum pixel type.
* Return -1 if bad format.
*/
-GLint gl_components_in_format( GLenum format )
+GLint _mesa_components_in_format( GLenum format )
{
switch (format) {
case GL_COLOR_INDEX:
@@ -244,9 +247,9 @@ GLint gl_components_in_format( GLenum format )
* Return bytes per pixel for given format and type
* Return -1 if bad format or type.
*/
-GLint gl_bytes_per_pixel( GLenum format, GLenum type )
+GLint _mesa_bytes_per_pixel( GLenum format, GLenum type )
{
- GLint comps = gl_components_in_format( format );
+ GLint comps = _mesa_components_in_format( format );
if (comps < 0)
return -1;
@@ -302,7 +305,8 @@ GLint gl_bytes_per_pixel( GLenum format, GLenum type )
* Test if the given pixel format and type are legal.
* Return GL_TRUE for legal, GL_FALSE for illegal.
*/
-GLboolean gl_is_legal_format_and_type( GLenum format, GLenum type )
+GLboolean
+_mesa_is_legal_format_and_type( GLenum format, GLenum type )
{
switch (format) {
case GL_COLOR_INDEX:
@@ -400,10 +404,11 @@ GLboolean gl_is_legal_format_and_type( GLenum format, GLenum type )
* row, column - location of pixel in the image
* Return: address of pixel at (image,row,column) in image or NULL if error.
*/
-GLvoid *gl_pixel_addr_in_image( const struct gl_pixelstore_attrib *packing,
- const GLvoid *image, GLsizei width,
- GLsizei height, GLenum format, GLenum type,
- GLint img, GLint row, GLint column )
+GLvoid *
+_mesa_image_address( const struct gl_pixelstore_attrib *packing,
+ const GLvoid *image, GLsizei width,
+ GLsizei height, GLenum format, GLenum type,
+ GLint img, GLint row, GLint column )
{
GLint alignment; /* 1, 2 or 4 */
GLint pixels_per_row;
@@ -438,13 +443,13 @@ GLvoid *gl_pixel_addr_in_image( const struct gl_pixelstore_attrib *packing,
GLint bytes_per_image;
/* Compute bytes per component */
- bytes_per_comp = gl_sizeof_packed_type( type );
+ bytes_per_comp = _mesa_sizeof_packed_type( type );
if (bytes_per_comp<0) {
return NULL;
}
/* Compute number of components per pixel */
- comp_per_pixel = gl_components_in_format( format );
+ comp_per_pixel = _mesa_components_in_format( format );
if (comp_per_pixel<0 && type != GL_BITMAP) {
return NULL;
}
@@ -463,7 +468,7 @@ GLvoid *gl_pixel_addr_in_image( const struct gl_pixelstore_attrib *packing,
/* Non-BITMAP data */
GLint bytes_per_pixel, bytes_per_row, remainder, bytes_per_image;
- bytes_per_pixel = gl_bytes_per_pixel( format, type );
+ bytes_per_pixel = _mesa_bytes_per_pixel( format, type );
/* The pixel type and format should have been error checked earlier */
assert(bytes_per_pixel > 0);
@@ -511,7 +516,7 @@ _mesa_image_row_stride( const struct gl_pixelstore_attrib *packing,
}
else {
/* Non-BITMAP data */
- const GLint bytesPerPixel = gl_bytes_per_pixel(format, type);
+ const GLint bytesPerPixel = _mesa_bytes_per_pixel(format, type);
if (bytesPerPixel <= 0)
return -1; /* error */
if (packing->RowLength == 0) {
@@ -595,11 +600,12 @@ _mesa_pack_polygon_stipple( const GLuint pattern[32], GLubyte *dest,
* packing - pixel packing parameters
* applyTransferOps - apply scale/bias/lookup-table ops?
*/
-void gl_pack_rgba_span( const GLcontext *ctx,
- GLuint n, CONST GLubyte rgba[][4],
- GLenum format, GLenum type, GLvoid *destination,
- const struct gl_pixelstore_attrib *packing,
- GLboolean applyTransferOps )
+void
+_mesa_pack_rgba_span( const GLcontext *ctx,
+ GLuint n, CONST GLubyte rgba[][4],
+ GLenum format, GLenum type, GLvoid *destination,
+ const struct gl_pixelstore_attrib *packing,
+ GLboolean applyTransferOps )
{
applyTransferOps &= (ctx->Pixel.ScaleOrBiasRGBA || ctx->Pixel.MapColorFlag);
@@ -627,7 +633,7 @@ void gl_pack_rgba_span( const GLcontext *ctx,
const GLfloat gscale = 1.0F / 255.0F;
const GLfloat bscale = 1.0F / 255.0F;
const GLfloat ascale = 1.0F / 255.0F;
- const GLint comps = gl_components_in_format(format);
+ const GLint comps = _mesa_components_in_format(format);
GLuint i;
assert(n <= MAX_WIDTH);
@@ -732,7 +738,7 @@ void gl_pack_rgba_span( const GLcontext *ctx,
}
break;
default:
- gl_problem(ctx, "bad format in gl_pack_rgba_span\n");
+ gl_problem(ctx, "bad format in _mesa_pack_rgba_span\n");
}
}
break;
@@ -804,7 +810,7 @@ void gl_pack_rgba_span( const GLcontext *ctx,
}
break;
default:
- gl_problem(ctx, "bad format in gl_pack_rgba_span\n");
+ gl_problem(ctx, "bad format in _mesa_pack_rgba_span\n");
}
}
break;
@@ -877,10 +883,10 @@ void gl_pack_rgba_span( const GLcontext *ctx,
}
break;
default:
- gl_problem(ctx, "bad format in gl_pack_rgba_span\n");
+ gl_problem(ctx, "bad format in _mesa_pack_rgba_span\n");
}
if (packing->SwapBytes) {
- gl_swap2( (GLushort *) dst, n * comps);
+ _mesa_swap2( (GLushort *) dst, n * comps);
}
}
break;
@@ -952,10 +958,10 @@ void gl_pack_rgba_span( const GLcontext *ctx,
}
break;
default:
- gl_problem(ctx, "bad format in gl_pack_rgba_span\n");
+ gl_problem(ctx, "bad format in _mesa_pack_rgba_span\n");
}
if (packing->SwapBytes) {
- gl_swap2( (GLushort *) dst, n * comps );
+ _mesa_swap2( (GLushort *) dst, n * comps );
}
}
break;
@@ -1028,10 +1034,10 @@ void gl_pack_rgba_span( const GLcontext *ctx,
}
break;
default:
- gl_problem(ctx, "bad format in gl_pack_rgba_span\n");
+ gl_problem(ctx, "bad format in _mesa_pack_rgba_span\n");
}
if (packing->SwapBytes) {
- gl_swap4( (GLuint *) dst, n * comps );
+ _mesa_swap4( (GLuint *) dst, n * comps );
}
}
break;
@@ -1104,10 +1110,10 @@ void gl_pack_rgba_span( const GLcontext *ctx,
}
break;
default:
- gl_problem(ctx, "bad format in gl_pack_rgba_span\n");
+ gl_problem(ctx, "bad format in _mesa_pack_rgba_span\n");
}
if (packing->SwapBytes) {
- gl_swap4( (GLuint *) dst, n * comps );
+ _mesa_swap4( (GLuint *) dst, n * comps );
}
}
break;
@@ -1180,10 +1186,10 @@ void gl_pack_rgba_span( const GLcontext *ctx,
}
break;
default:
- gl_problem(ctx, "bad format in gl_pack_rgba_span\n");
+ gl_problem(ctx, "bad format in _mesa_pack_rgba_span\n");
}
if (packing->SwapBytes) {
- gl_swap4( (GLuint *) dst, n * comps );
+ _mesa_swap4( (GLuint *) dst, n * comps );
}
}
break;
@@ -1388,7 +1394,7 @@ void gl_pack_rgba_span( const GLcontext *ctx,
}
break;
default:
- gl_problem( ctx, "bad type in gl_pack_rgba_span" );
+ gl_problem( ctx, "bad type in _mesa_pack_rgba_span" );
}
}
}
@@ -2196,7 +2202,7 @@ _mesa_unpack_ubyte_color_span( const GLcontext *ctx,
}
}
else if (dstFormat == srcFormat) {
- GLint comps = gl_components_in_format(srcFormat);
+ GLint comps = _mesa_components_in_format(srcFormat);
assert(comps > 0);
MEMCPY( dest, source, n * comps * sizeof(GLubyte) );
return;
@@ -2211,7 +2217,7 @@ _mesa_unpack_ubyte_color_span( const GLcontext *ctx,
GLint dstRedIndex, dstGreenIndex, dstBlueIndex, dstAlphaIndex;
GLint dstLuminanceIndex, dstIntensityIndex;
- dstComponents = gl_components_in_format( dstFormat );
+ dstComponents = _mesa_components_in_format( dstFormat );
/* source & dest image formats should have been error checked by now */
assert(dstComponents > 0);
@@ -2721,8 +2727,8 @@ _mesa_unpack_image( GLsizei width, GLsizei height, GLsizei depth,
compsPerRow = 0;
}
else {
- const GLint bytesPerPixel = gl_bytes_per_pixel(format, type);
- const GLint components = gl_components_in_format(format);
+ const GLint bytesPerPixel = _mesa_bytes_per_pixel(format, type);
+ const GLint components = _mesa_components_in_format(format);
GLint bytesPerComp;
if (bytesPerPixel <= 0 || components <= 0)
return NULL; /* bad format or type. generate error later */
@@ -2745,18 +2751,18 @@ _mesa_unpack_image( GLsizei width, GLsizei height, GLsizei depth,
dst = destBuffer;
for (img = 0; img < depth; img++) {
for (row = 0; row < height; row++) {
- const GLvoid *src = gl_pixel_addr_in_image(unpack, pixels,
+ const GLvoid *src = _mesa_image_address(unpack, pixels,
width, height, format, type, img, row, 0);
MEMCPY(dst, src, bytesPerRow);
/* byte flipping/swapping */
if (flipBytes) {
- gl_flip_bytes((GLubyte *) dst, bytesPerRow);
+ flip_bytes((GLubyte *) dst, bytesPerRow);
}
else if (swap2) {
- gl_swap2((GLushort*) dst, compsPerRow);
+ _mesa_swap2((GLushort*) dst, compsPerRow);
}
else if (swap4) {
- gl_swap4((GLuint*) dst, compsPerRow);
+ _mesa_swap4((GLuint*) dst, compsPerRow);
}
dst += bytesPerRow;
}
@@ -2790,9 +2796,9 @@ _mesa_unpack_bitmap( GLint width, GLint height, const GLubyte *pixels,
width_in_bytes = CEILING( width, 8 );
dst = buffer;
for (row = 0; row < height; row++) {
- GLubyte *src = gl_pixel_addr_in_image( packing, pixels, width, height,
- GL_COLOR_INDEX, GL_BITMAP,
- 0, row, 0 );
+ GLubyte *src = _mesa_image_address( packing, pixels, width, height,
+ GL_COLOR_INDEX, GL_BITMAP,
+ 0, row, 0 );
if (!src) {
FREE(buffer);
return NULL;
@@ -2801,7 +2807,7 @@ _mesa_unpack_bitmap( GLint width, GLint height, const GLubyte *pixels,
if (packing->SkipPixels == 0) {
MEMCPY( dst, src, width_in_bytes );
if (packing->LsbFirst) {
- gl_flip_bytes( dst, width_in_bytes );
+ flip_bytes( dst, width_in_bytes );
}
}
else {
@@ -2885,16 +2891,16 @@ _mesa_pack_bitmap( GLint width, GLint height, const GLubyte *source,
width_in_bytes = CEILING( width, 8 );
src = source;
for (row = 0; row < height; row++) {
- GLubyte *dst = gl_pixel_addr_in_image( packing, dest, width, height,
- GL_COLOR_INDEX, GL_BITMAP,
- 0, row, 0 );
+ GLubyte *dst = _mesa_image_address( packing, dest, width, height,
+ GL_COLOR_INDEX, GL_BITMAP,
+ 0, row, 0 );
if (!dst)
return;
if (packing->SkipPixels == 0) {
MEMCPY( dst, src, width_in_bytes );
if (packing->LsbFirst) {
- gl_flip_bytes( dst, width_in_bytes );
+ flip_bytes( dst, width_in_bytes );
}
}
else {
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-01 04:02:04 +0000