diff options
Diffstat (limited to 'src/mesa/main/dlist.c')
| -rw-r--r-- | src/mesa/main/dlist.c | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/src/mesa/main/dlist.c b/src/mesa/main/dlist.c index 599c6c5b4bf..a90ff33bd30 100644 --- a/src/mesa/main/dlist.c +++ b/src/mesa/main/dlist.c @@ -5676,14 +5676,22 @@ save_EdgeFlag(GLboolean x) save_Attr1fNV(VERT_ATTRIB_EDGEFLAG, x ? (GLfloat)1.0 : (GLfloat)0.0); } -static inline GLboolean compare4fv( const GLfloat *a, - const GLfloat *b, - GLuint count ) + +/** + * Compare 'count' elements of vectors 'a' and 'b'. + * \return GL_TRUE if equal, GL_FALSE if different. + */ +static inline GLboolean +compare_vec(const GLfloat *a, const GLfloat *b, GLuint count) { return memcmp( a, b, count * sizeof(GLfloat) ) == 0; } - + +/** + * This glMaterial function is used for glMaterial calls that are outside + * a glBegin/End pair. For glMaterial inside glBegin/End, see the VBO code. + */ static void GLAPIENTRY save_Materialfv(GLenum face, GLenum pname, const GLfloat * param) { @@ -5734,7 +5742,8 @@ save_Materialfv(GLenum face, GLenum pname, const GLfloat * param) for (i = 0; i < MAT_ATTRIB_MAX; i++) { if (bitmask & (1 << i)) { if (ctx->ListState.ActiveMaterialSize[i] == args && - compare4fv(ctx->ListState.CurrentMaterial[i], param, args)) { + compare_vec(ctx->ListState.CurrentMaterial[i], param, args)) { + /* no change in material value */ bitmask &= ~(1 << i); } else { @@ -5744,8 +5753,7 @@ save_Materialfv(GLenum face, GLenum pname, const GLfloat * param) } } - /* If this call has effect, return early: - */ + /* If this call has no effect, return early */ if (bitmask == 0) return; |