diff options
| -rw-r--r-- | src/mesa/main/varray.c | 32 |
1 files changed, 22 insertions, 10 deletions
diff --git a/src/mesa/main/varray.c b/src/mesa/main/varray.c index dfe5064e3c0..93f6fcd9bea 100644 --- a/src/mesa/main/varray.c +++ b/src/mesa/main/varray.c @@ -483,6 +483,7 @@ _mesa_VertexAttribIPointer(GLuint index, GLint size, GLenum type, void GLAPIENTRY _mesa_EnableVertexAttribArrayARB(GLuint index) { + struct gl_array_object *arrayObj; GET_CURRENT_CONTEXT(ctx); ASSERT_OUTSIDE_BEGIN_END(ctx); @@ -492,18 +493,24 @@ _mesa_EnableVertexAttribArrayARB(GLuint index) return; } - ASSERT(VERT_ATTRIB_GENERIC(index) < Elements(ctx->Array.ArrayObj->VertexAttrib)); + arrayObj = ctx->Array.ArrayObj; + + ASSERT(VERT_ATTRIB_GENERIC(index) < Elements(arrayObj->VertexAttrib)); - FLUSH_VERTICES(ctx, _NEW_ARRAY); - ctx->Array.ArrayObj->VertexAttrib[VERT_ATTRIB_GENERIC(index)].Enabled = GL_TRUE; - ctx->Array.ArrayObj->_Enabled |= VERT_BIT_GENERIC(index); - ctx->Array.NewState |= VERT_BIT_GENERIC(index); + if (!arrayObj->VertexAttrib[VERT_ATTRIB_GENERIC(index)].Enabled) { + /* was disabled, now being enabled */ + FLUSH_VERTICES(ctx, _NEW_ARRAY); + arrayObj->VertexAttrib[VERT_ATTRIB_GENERIC(index)].Enabled = GL_TRUE; + arrayObj->_Enabled |= VERT_BIT_GENERIC(index); + ctx->Array.NewState |= VERT_BIT_GENERIC(index); + } } void GLAPIENTRY _mesa_DisableVertexAttribArrayARB(GLuint index) { + struct gl_array_object *arrayObj; GET_CURRENT_CONTEXT(ctx); ASSERT_OUTSIDE_BEGIN_END(ctx); @@ -513,12 +520,17 @@ _mesa_DisableVertexAttribArrayARB(GLuint index) return; } - ASSERT(VERT_ATTRIB_GENERIC(index) < Elements(ctx->Array.ArrayObj->VertexAttrib)); + arrayObj = ctx->Array.ArrayObj; + + ASSERT(VERT_ATTRIB_GENERIC(index) < Elements(arrayObj->VertexAttrib)); - FLUSH_VERTICES(ctx, _NEW_ARRAY); - ctx->Array.ArrayObj->VertexAttrib[VERT_ATTRIB_GENERIC(index)].Enabled = GL_FALSE; - ctx->Array.ArrayObj->_Enabled &= ~VERT_BIT_GENERIC(index); - ctx->Array.NewState |= VERT_BIT_GENERIC(index); + if (arrayObj->VertexAttrib[VERT_ATTRIB_GENERIC(index)].Enabled) { + /* was enabled, now being disabled */ + FLUSH_VERTICES(ctx, _NEW_ARRAY); + arrayObj->VertexAttrib[VERT_ATTRIB_GENERIC(index)].Enabled = GL_FALSE; + arrayObj->_Enabled &= ~VERT_BIT_GENERIC(index); + ctx->Array.NewState |= VERT_BIT_GENERIC(index); + } } |