diff options
| -rw-r--r-- | src/mesa/vbo/vbo_exec_api.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/src/mesa/vbo/vbo_exec_api.c b/src/mesa/vbo/vbo_exec_api.c index 583a2f9b79f..9de2886c499 100644 --- a/src/mesa/vbo/vbo_exec_api.c +++ b/src/mesa/vbo/vbo_exec_api.c @@ -413,18 +413,27 @@ vbo_exec_fixup_vertex(struct gl_context *ctx, GLuint attr, GLuint newSize, GLenu /** * This macro is used to implement all the glVertex, glColor, glTexCoord, * glVertexAttrib, etc functions. + * \param A attribute index + * \param N attribute size (1..4) + * \param T type (GL_FLOAT, GL_DOUBLE, GL_INT, GL_UNSIGNED_INT) + * \param C cast type (fi_type or double) + * \param V0, V1, v2, V3 attribute value */ #define ATTR_UNION( A, N, T, C, V0, V1, V2, V3 ) \ do { \ struct vbo_exec_context *exec = &vbo_context(ctx)->exec; \ int sz = (sizeof(C) / sizeof(GLfloat)); \ - if (unlikely(!(ctx->Driver.NeedFlush & FLUSH_UPDATE_CURRENT))) \ + if (unlikely(!(ctx->Driver.NeedFlush & FLUSH_UPDATE_CURRENT))) { \ vbo_exec_BeginVertices(ctx); \ + } \ \ + /* check if attribute size or type is changing */ \ if (unlikely(exec->vtx.active_sz[A] != N * sz) || \ - unlikely(exec->vtx.attrtype[A] != T)) \ + unlikely(exec->vtx.attrtype[A] != T)) { \ vbo_exec_fixup_vertex(ctx, A, N * sz, T); \ + } \ \ + /* store vertex attribute in vertex buffer */ \ { \ C *dest = (C *)exec->vtx.attrptr[A]; \ if (N>0) dest[0] = V0; \ @@ -438,6 +447,7 @@ do { \ /* This is a glVertex call */ \ GLuint i; \ \ + /* copy 32-bit words */ \ for (i = 0; i < exec->vtx.vertex_size; i++) \ exec->vtx.buffer_ptr[i] = exec->vtx.vertex[i]; \ \ |