Module: Mesa Branch: master Commit: bd4a2e9209e13878d052dfb8e981fd798c6e4e40 URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=bd4a2e9209e13878d052dfb8e981fd798c6e4e40
Author: Eric Anholt <[email protected]> Date: Mon Jan 10 10:50:36 2011 -0800 meta: Don't tweak BaseLevel when doing glGenerateMipmap(). We don't need to worry about levels other than MaxLevel because we're minifying -- the lower levels (higher detail) won't contribute to the result. By changing BaseLevel, we forced hardware that doesn't support BaseLevel != 0 to relayout the texture object. --- src/mesa/drivers/common/meta.c | 5 +---- 1 files changed, 1 insertions(+), 4 deletions(-) diff --git a/src/mesa/drivers/common/meta.c b/src/mesa/drivers/common/meta.c index cdb2500..3e69991 100644 --- a/src/mesa/drivers/common/meta.c +++ b/src/mesa/drivers/common/meta.c @@ -2260,7 +2260,6 @@ _mesa_meta_GenerateMipmap(struct gl_context *ctx, GLenum target, const GLuint maxLevel = texObj->MaxLevel; const GLenum minFilterSave = texObj->MinFilter; const GLenum magFilterSave = texObj->MagFilter; - const GLint baseLevelSave = texObj->BaseLevel; const GLint maxLevelSave = texObj->MaxLevel; const GLboolean genMipmapSave = texObj->GenerateMipmap; const GLenum wrapSSave = texObj->WrapS; @@ -2496,8 +2495,7 @@ _mesa_meta_GenerateMipmap(struct gl_context *ctx, GLenum target, } } - /* limit sampling to src level */ - _mesa_TexParameteri(target, GL_TEXTURE_BASE_LEVEL, srcLevel); + /* limit minification to src level */ _mesa_TexParameteri(target, GL_TEXTURE_MAX_LEVEL, srcLevel); /* Set to draw into the current dstLevel */ @@ -2549,7 +2547,6 @@ _mesa_meta_GenerateMipmap(struct gl_context *ctx, GLenum target, _mesa_TexParameteri(target, GL_TEXTURE_MIN_FILTER, minFilterSave); _mesa_TexParameteri(target, GL_TEXTURE_MAG_FILTER, magFilterSave); - _mesa_TexParameteri(target, GL_TEXTURE_BASE_LEVEL, baseLevelSave); _mesa_TexParameteri(target, GL_TEXTURE_MAX_LEVEL, maxLevelSave); _mesa_TexParameteri(target, GL_GENERATE_MIPMAP, genMipmapSave); _mesa_TexParameteri(target, GL_TEXTURE_WRAP_S, wrapSSave); _______________________________________________ mesa-commit mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/mesa-commit
