diff options
| author | Alan Hourihane <alanh@vmware.com> | 2009-01-14 23:33:41 +0000 |
|---|---|---|
| committer | Alan Hourihane <alanh@vmware.com> | 2009-01-14 23:33:41 +0000 |
| commit | 658b1bdb1cc5f9910be910dc156a2e81ed999756 (patch) | |
| tree | 98d15bcf83b662dd8c7186dd423e3d8ebbd87f1c /src/mesa/math | |
| parent | e82784559e00cb534993c01309ad1832e9b3e56b (diff) | |
| parent | 03188b09e071ace9d9e21ccc56c01e90c0fa8639 (diff) | |
Merge commit 'origin/master' into gallium-0.2
Conflicts:
docs/install.html
docs/relnotes-7.3.html
src/mesa/shader/slang/slang_codegen.c
src/mesa/shader/slang/slang_compile.c
src/mesa/shader/slang/slang_emit.c
src/mesa/shader/slang/slang_preprocess.c
src/mesa/shader/slang/slang_preprocess.h
Diffstat (limited to 'src/mesa/math')
| -rw-r--r-- | src/mesa/math/m_matrix.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/mesa/math/m_matrix.h b/src/mesa/math/m_matrix.h index e8303f3ac5c..a8d9000e89b 100644 --- a/src/mesa/math/m_matrix.h +++ b/src/mesa/math/m_matrix.h @@ -189,6 +189,18 @@ do { \ } while (0) +/** + * Transform a direction by a matrix. + */ +#define TRANSFORM_DIRECTION( TO, DIR, MAT ) \ +do { \ + TO[0] = DIR[0] * MAT[0] + DIR[1] * MAT[4] + DIR[2] * MAT[8]; \ + TO[1] = DIR[0] * MAT[1] + DIR[1] * MAT[5] + DIR[2] * MAT[9]; \ + TO[2] = DIR[0] * MAT[2] + DIR[1] * MAT[6] + DIR[2] * MAT[10];\ +} while (0) + + + /*@}*/ |