diff options
author | Brian Paul <[email protected]> | 2000-03-21 01:03:40 +0000 |
---|---|---|
committer | Brian Paul <[email protected]> | 2000-03-21 01:03:40 +0000 |
commit | b7d076fc96ac27117421653a043d00a95f789d24 (patch) | |
tree | 2b4671840c28b6a1232325e7bc609d265096b275 /src/mesa/main/image.c | |
parent | 43911c8ef06c44d486a17cf9a8fa8ea263b08ade (diff) |
changed imaging functions to _mesa_ prefix
Diffstat (limited to 'src/mesa/main/image.c')
-rw-r--r-- | src/mesa/main/image.c | 114 |
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 { |