diff options
Diffstat (limited to 'src/mesa/main')
| -rw-r--r-- | src/mesa/main/teximage.c | 47 |
1 files changed, 35 insertions, 12 deletions
diff --git a/src/mesa/main/teximage.c b/src/mesa/main/teximage.c index b75eb6a35e0..b7932ac0b5a 100644 --- a/src/mesa/main/teximage.c +++ b/src/mesa/main/teximage.c @@ -1,4 +1,4 @@ -/* $Id: teximage.c,v 1.71 2001/02/06 21:42:48 brianp Exp $ */ +/* $Id: teximage.c,v 1.72 2001/02/06 23:35:26 brianp Exp $ */ /* * Mesa 3-D graphics library @@ -464,11 +464,15 @@ make_null_texture(GLint width, GLint height, GLint depth, GLenum format) /* + * Reset the fields of a gl_texture_image struct to zero. * This is called when a proxy texture test fails, we set all the * image members (except DriverData) to zero. + * It's also used in glTexImage[123]D as a safeguard to be sure all + * required fields get initialized properly by the Driver.TexImage[123]D + * functions. */ static void -clear_proxy_teximage(struct gl_texture_image *img) +clear_teximage_fields(struct gl_texture_image *img) { ASSERT(img); img->Format = 0; @@ -493,6 +497,7 @@ clear_proxy_teximage(struct gl_texture_image *img) img->Data = NULL; img->IsCompressed = 0; img->CompressedSize = 0; + img->FetchTexel = NULL; } @@ -1167,6 +1172,7 @@ _mesa_TexImage1D( GLenum target, GLint level, GLint internalFormat, FREE(texImage->Data); texImage->Data = NULL; } + clear_teximage_fields(texImage); /* not really needed, but helpful */ if (ctx->NewState & _NEW_PIXEL) gl_update_state(ctx); @@ -1188,6 +1194,11 @@ _mesa_TexImage1D( GLenum target, GLint level, GLint internalFormat, } } + /* one of these has to be non-zero! */ + ASSERT(texImage->RedBits || texImage->IndexBits || texImage->AlphaBits || + texImage->LuminanceBits || texImage->IntensityBits); + ASSERT(texImage->FetchTexel); + /* state update */ texObj->Complete = GL_FALSE; ctx->NewState |= _NEW_TEXTURE; @@ -1206,7 +1217,7 @@ _mesa_TexImage1D( GLenum target, GLint level, GLint internalFormat, if (error) { /* if error, clear all proxy texture image parameters */ if (level >= 0 && level < ctx->Const.MaxTextureLevels) { - clear_proxy_teximage(ctx->Texture.Proxy1D->Image[level]); + clear_teximage_fields(ctx->Texture.Proxy1D->Image[level]); } } } @@ -1261,6 +1272,7 @@ _mesa_TexImage2D( GLenum target, GLint level, GLint internalFormat, FREE(texImage->Data); texImage->Data = NULL; } + clear_teximage_fields(texImage); /* not really needed, but helpful */ if (ctx->NewState & _NEW_PIXEL) gl_update_state(ctx); @@ -1282,6 +1294,11 @@ _mesa_TexImage2D( GLenum target, GLint level, GLint internalFormat, } } + /* one of these has to be non-zero! */ + ASSERT(texImage->RedBits || texImage->IndexBits || texImage->AlphaBits || + texImage->LuminanceBits || texImage->IntensityBits); + ASSERT(texImage->FetchTexel); + /* state update */ texObj->Complete = GL_FALSE; ctx->NewState |= _NEW_TEXTURE; @@ -1300,7 +1317,7 @@ _mesa_TexImage2D( GLenum target, GLint level, GLint internalFormat, if (error) { /* if error, clear all proxy texture image parameters */ if (level >= 0 && level < ctx->Const.MaxTextureLevels) { - clear_proxy_teximage(ctx->Texture.Proxy2D->Image[level]); + clear_teximage_fields(ctx->Texture.Proxy2D->Image[level]); } } } @@ -1350,6 +1367,7 @@ _mesa_TexImage3D( GLenum target, GLint level, GLint internalFormat, FREE(texImage->Data); texImage->Data = NULL; } + clear_teximage_fields(texImage); /* not really needed, but helpful */ if (ctx->NewState & _NEW_PIXEL) gl_update_state(ctx); @@ -1372,6 +1390,11 @@ _mesa_TexImage3D( GLenum target, GLint level, GLint internalFormat, } } + /* one of these has to be non-zero! */ + ASSERT(texImage->RedBits || texImage->IndexBits || texImage->AlphaBits || + texImage->LuminanceBits || texImage->IntensityBits); + ASSERT(texImage->FetchTexel); + /* state update */ texObj->Complete = GL_FALSE; ctx->NewState |= _NEW_TEXTURE; @@ -1388,8 +1411,8 @@ _mesa_TexImage3D( GLenum target, GLint level, GLint internalFormat, } if (error) { /* if error, clear all proxy texture image parameters */ - if (level>=0 && level<ctx->Const.MaxTextureLevels) { - clear_proxy_teximage(ctx->Texture.Proxy3D->Image[level]); + if (level >= 0 && level < ctx->Const.MaxTextureLevels) { + clear_teximage_fields(ctx->Texture.Proxy3D->Image[level]); } } } @@ -1881,8 +1904,8 @@ _mesa_CompressedTexImage1DARB(GLenum target, GLint level, } if (error) { /* if error, clear all proxy texture image parameters */ - if (level>=0 && level<ctx->Const.MaxTextureLevels) { - clear_proxy_teximage(ctx->Texture.Proxy1D->Image[level]); + if (level >= 0 && level < ctx->Const.MaxTextureLevels) { + clear_teximage_fields(ctx->Texture.Proxy1D->Image[level]); } } } @@ -1971,8 +1994,8 @@ _mesa_CompressedTexImage2DARB(GLenum target, GLint level, } if (error) { /* if error, clear all proxy texture image parameters */ - if (level>=0 && level<ctx->Const.MaxTextureLevels) { - clear_proxy_teximage(ctx->Texture.Proxy2D->Image[level]); + if (level >= 0 && level < ctx->Const.MaxTextureLevels) { + clear_teximage_fields(ctx->Texture.Proxy2D->Image[level]); } } } @@ -2059,8 +2082,8 @@ _mesa_CompressedTexImage3DARB(GLenum target, GLint level, } if (error) { /* if error, clear all proxy texture image parameters */ - if (level>=0 && level<ctx->Const.MaxTextureLevels) { - clear_proxy_teximage(ctx->Texture.Proxy3D->Image[level]); + if (level >= 0 && level < ctx->Const.MaxTextureLevels) { + clear_teximage_fields(ctx->Texture.Proxy3D->Image[level]); } } } |