diff options
Diffstat (limited to 'src/mesa/main/teximage.c')
| -rw-r--r-- | src/mesa/main/teximage.c | 49 |
1 files changed, 48 insertions, 1 deletions
diff --git a/src/mesa/main/teximage.c b/src/mesa/main/teximage.c index b7932ac0b5a..28a69ff259d 100644 --- a/src/mesa/main/teximage.c +++ b/src/mesa/main/teximage.c @@ -1,4 +1,4 @@ -/* $Id: teximage.c,v 1.72 2001/02/06 23:35:26 brianp Exp $ */ +/* $Id: teximage.c,v 1.73 2001/02/07 03:27:41 brianp Exp $ */ /* * Mesa 3-D graphics library @@ -501,6 +501,39 @@ clear_teximage_fields(struct gl_texture_image *img) } +/* + * Initialize basic fields of the gl_texture_image struct. + */ +static void +init_teximage_fields(GLcontext *ctx, + struct gl_texture_image *img, + GLsizei width, GLsizei height, GLsizei depth, + GLint border, GLenum internalFormat) +{ + ASSERT(img); + + img->IntFormat = internalFormat; + img->Border = border; + img->Width = width; + img->Height = height; + img->Depth = depth; + img->WidthLog2 = logbase2(width - 2 * border); + if (height == 1) /* 1-D texture */ + img->HeightLog2 = 0; + else + img->HeightLog2 = logbase2(height - 2 * border); + if (depth == 1) /* 2-D texture */ + img->DepthLog2 = 0; + else + img->DepthLog2 = logbase2(depth - 2 * border); + img->Width2 = 1 << img->WidthLog2; + img->Height2 = 1 << img->HeightLog2; + img->Depth2 = 1 << img->DepthLog2; + img->MaxLog2 = MAX2(img->WidthLog2, img->HeightLog2); + img->IsCompressed = is_compressed_format(ctx, internalFormat); +} + + /* * Test glTexImage[123]D() parameters for errors. @@ -1173,6 +1206,8 @@ _mesa_TexImage1D( GLenum target, GLint level, GLint internalFormat, texImage->Data = NULL; } clear_teximage_fields(texImage); /* not really needed, but helpful */ + init_teximage_fields(ctx, texImage, postConvWidth, 1, 1, + border, internalFormat); if (ctx->NewState & _NEW_PIXEL) gl_update_state(ctx); @@ -1273,6 +1308,8 @@ _mesa_TexImage2D( GLenum target, GLint level, GLint internalFormat, texImage->Data = NULL; } clear_teximage_fields(texImage); /* not really needed, but helpful */ + init_teximage_fields(ctx, texImage, postConvWidth, postConvHeight, 1, + border, internalFormat); if (ctx->NewState & _NEW_PIXEL) gl_update_state(ctx); @@ -1368,6 +1405,8 @@ _mesa_TexImage3D( GLenum target, GLint level, GLint internalFormat, texImage->Data = NULL; } clear_teximage_fields(texImage); /* not really needed, but helpful */ + init_teximage_fields(ctx, texImage, width, height, depth, border, + internalFormat); if (ctx->NewState & _NEW_PIXEL) gl_update_state(ctx); @@ -1879,6 +1918,8 @@ _mesa_CompressedTexImage1DARB(GLenum target, GLint level, texImage->Data = NULL; } + init_teximage_fields(ctx, texImage, width, 1, 1, border, internalFormat); + if (ctx->Extensions.ARB_texture_compression) { ASSERT(ctx->Driver.CompressedTexImage1D); (*ctx->Driver.CompressedTexImage1D)(ctx, target, level, @@ -1969,6 +2010,9 @@ _mesa_CompressedTexImage2DARB(GLenum target, GLint level, texImage->Data = NULL; } + init_teximage_fields(ctx, texImage, width, height, 1, border, + internalFormat); + if (ctx->Extensions.ARB_texture_compression) { ASSERT(ctx->Driver.CompressedTexImage2D); (*ctx->Driver.CompressedTexImage2D)(ctx, target, level, @@ -2056,6 +2100,9 @@ _mesa_CompressedTexImage3DARB(GLenum target, GLint level, texImage->Data = NULL; } + init_teximage_fields(ctx, texImage, width, height, depth, border, + internalFormat); + if (ctx->Extensions.ARB_texture_compression) { ASSERT(ctx->Driver.CompressedTexImage3D); (*ctx->Driver.CompressedTexImage3D)(ctx, target, level, |