mesa: Move ROUND_DOWN_TO() macro from i915/i965 to macros.h.

[mesa.git] / src / mesa / tnl / t_draw.c

diff --git a/src/mesa/tnl/t_draw.c b/src/mesa/tnl/t_draw.c
index 283ab6954857a4cc78d9970ccc296718be964ea5..637ac6f9cfbfc14e6a09bbd406ea82f6328d5bc0 100644 (file)
--- a/src/mesa/tnl/t_draw.c
+++ b/src/mesa/tnl/t_draw.c
@@ -1,6 +1,5 @@
 /*
  * Mesa 3-D graphics library
- * Version:  7.1
  *
  * Copyright (C) 1999-2007  Brian Paul   All Rights Reserved.
  *
@@ -17,9 +16,10 @@
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
  *
  * Authors:
  *    Keith Whitwell <keith@tungstengraphics.com>
@@ -141,7 +141,8 @@ convert_fixed_to_float(const struct gl_client_array *input,
                        const GLubyte *ptr, GLfloat *fptr,
                        GLuint count)
 {
-   GLuint i, j;
+   GLuint i;
+   GLint j;
    const GLint size = input->Size;
 
    if (input->Normalized) {
@@ -349,30 +350,15 @@ static void bind_indices( struct gl_context *ctx,
 
    if (_mesa_is_bufferobj(ib->obj) && !_mesa_bufferobj_mapped(ib->obj)) {
       /* if the buffer object isn't mapped yet, map it now */
-      unsigned map_size;
-
-      switch (ib->type) {
-      case GL_UNSIGNED_BYTE:
-        map_size = ib->count * sizeof(GLubyte);
-        break;
-      case GL_UNSIGNED_SHORT:
-        map_size = ib->count * sizeof(GLushort);
-        break;
-      case GL_UNSIGNED_INT:
-        map_size = ib->count * sizeof(GLuint);
-        break;
-      default:
-        assert(0);
-        map_size = 0;
-      }
-
       bo[*nr_bo] = ib->obj;
       (*nr_bo)++;
-      ptr = ctx->Driver.MapBufferRange(ctx, (GLsizeiptr) ib->ptr, map_size,
+      ptr = ctx->Driver.MapBufferRange(ctx, (GLsizeiptr) ib->ptr,
+                                       ib->count * vbo_sizeof_ib_type(ib->type),
                                       GL_MAP_READ_BIT, ib->obj);
       assert(ib->obj->Pointer);
    } else {
-      ptr = ib->ptr;
+      /* user-space elements, or buffer already mapped */
+      ptr = ADD_POINTERS(ib->obj->Pointer, ib->ptr);
    }
 
    if (ib->type == GL_UNSIGNED_INT && VB->Primitive[0].basevertex == 0) {
@@ -423,16 +409,18 @@ static void unmap_vbos( struct gl_context *ctx,
 
 
 void _tnl_vbo_draw_prims(struct gl_context *ctx,
-                        const struct gl_client_array *arrays[],
                         const struct _mesa_prim *prim,
                         GLuint nr_prims,
                         const struct _mesa_index_buffer *ib,
                         GLboolean index_bounds_valid,
                         GLuint min_index,
-                        GLuint max_index)
+                        GLuint max_index,
+                        struct gl_transform_feedback_object *tfb_vertcount)
 {
+   const struct gl_client_array **arrays = ctx->Array._DrawArrays;
+
    if (!index_bounds_valid)
-      vbo_get_minmax_index(ctx, prim, ib, &min_index, &max_index);
+      vbo_get_minmax_indices(ctx, prim, ib, &min_index, &max_index, nr_prims);
 
    _tnl_draw_prims(ctx, arrays, prim, nr_prims, ib, min_index, max_index);
 }