summaryrefslogtreecommitdiff
path: root/src/mesa/main
diff options
context:
space:
mode:
Diffstat (limited to 'src/mesa/main')
-rw-r--r--src/mesa/main/texcompress.c62
-rw-r--r--src/mesa/main/texcompress.h7
2 files changed, 33 insertions, 36 deletions
diff --git a/src/mesa/main/texcompress.c b/src/mesa/main/texcompress.c
index 11f8857fa7..a4f1926ab3 100644
--- a/src/mesa/main/texcompress.c
+++ b/src/mesa/main/texcompress.c
@@ -153,38 +153,6 @@ _mesa_glenum_to_compressed_format(GLenum format)
}
-/*
- * Return the address of the pixel at (col, row, img) in a
- * compressed texture image.
- * \param col, row, img - image position (3D), should be a multiple of the
- * format's block size.
- * \param format - compressed image format
- * \param width - image width (stride) in pixels
- * \param image - the image address
- * \return address of pixel at (row, col, img)
- */
-GLubyte *
-_mesa_compressed_image_address(GLint col, GLint row, GLint img,
- gl_format mesaFormat,
- GLsizei width, const GLubyte *image)
-{
- /* XXX only 2D images implemented, not 3D */
- const GLuint blockSize = _mesa_get_format_bytes(mesaFormat);
- GLuint bw, bh;
- GLint offset;
-
- _mesa_get_format_block_size(mesaFormat, &bw, &bh);
-
- ASSERT(col % bw == 0);
- ASSERT(row % bh == 0);
-
- offset = ((width + bw - 1) / bw) * (row / bh) + col / bw;
- offset *= blockSize;
-
- return (GLubyte *) image + offset;
-}
-
-
/**
* Given a compressed MESA_FORMAT_x value, return the corresponding
* GLenum for that format.
@@ -233,3 +201,33 @@ _mesa_compressed_format_to_glenum(GLcontext *ctx, GLuint mesaFormat)
}
+/*
+ * Return the address of the pixel at (col, row, img) in a
+ * compressed texture image.
+ * \param col, row, img - image position (3D), should be a multiple of the
+ * format's block size.
+ * \param format - compressed image format
+ * \param width - image width (stride) in pixels
+ * \param image - the image address
+ * \return address of pixel at (row, col, img)
+ */
+GLubyte *
+_mesa_compressed_image_address(GLint col, GLint row, GLint img,
+ gl_format mesaFormat,
+ GLsizei width, const GLubyte *image)
+{
+ /* XXX only 2D images implemented, not 3D */
+ const GLuint blockSize = _mesa_get_format_bytes(mesaFormat);
+ GLuint bw, bh;
+ GLint offset;
+
+ _mesa_get_format_block_size(mesaFormat, &bw, &bh);
+
+ ASSERT(col % bw == 0);
+ ASSERT(row % bh == 0);
+
+ offset = ((width + bw - 1) / bw) * (row / bh) + col / bw;
+ offset *= blockSize;
+
+ return (GLubyte *) image + offset;
+}
diff --git a/src/mesa/main/texcompress.h b/src/mesa/main/texcompress.h
index 9c58425fc9..418416746c 100644
--- a/src/mesa/main/texcompress.h
+++ b/src/mesa/main/texcompress.h
@@ -36,16 +36,15 @@ _mesa_get_compressed_formats(GLcontext *ctx, GLint *formats, GLboolean all);
extern gl_format
_mesa_glenum_to_compressed_format(GLenum format);
+extern GLenum
+_mesa_compressed_format_to_glenum(GLcontext *ctx, GLuint mesaFormat);
+
extern GLubyte *
_mesa_compressed_image_address(GLint col, GLint row, GLint img,
gl_format mesaFormat,
GLsizei width, const GLubyte *image);
-extern GLenum
-_mesa_compressed_format_to_glenum(GLcontext *ctx, GLuint mesaFormat);
-
-
extern void
_mesa_init_texture_s3tc( GLcontext *ctx );