Mesa (master): i965: use drm_intel_gem_bo_map/unmap_gtt() when possible, otherwise dri_bo_subdata()

[Brian Paul]

Module: Mesa
Branch: master
Commit: 3321b6984ecd96ba466d8d010e390fff71a799d7
URL:    
http://cgit.freedesktop.org/mesa/mesa/commit/?id=3321b6984ecd96ba466d8d010e390fff71a799d7

Author: Brian Paul <bri...@vmware.com>
Date:   Fri Apr 24 09:50:11 2009 -0600

i965: use drm_intel_gem_bo_map/unmap_gtt() when possible, otherwise 
dri_bo_subdata()

This wraps up the unfinished business from commit 
a9a363f8298e9d534e60e3d2869f8677138a1e7e

---

 src/mesa/drivers/dri/i965/brw_curbe.c |   14 +++++++++-----
 1 files changed, 9 insertions(+), 5 deletions(-)

diff --git a/src/mesa/drivers/dri/i965/brw_curbe.c 
b/src/mesa/drivers/dri/i965/brw_curbe.c
index 18b187e..2d15793 100644
--- a/src/mesa/drivers/dri/i965/brw_curbe.c
+++ b/src/mesa/drivers/dri/i965/brw_curbe.c
@@ -344,19 +344,23 @@ update_constant_buffer(struct brw_context *brw,
                        const struct gl_program_parameter_list *params,
                        dri_bo *const_buffer)
 {
+   struct intel_context *intel = &brw->intel;
    const int size = params->NumParameters * 4 * sizeof(GLfloat);
 
    /* copy Mesa program constants into the buffer */
    if (const_buffer && size > 0) {
-      GLubyte *map;
 
       assert(const_buffer);
       assert(const_buffer->size >= size);
 
-      dri_bo_map(const_buffer, GL_TRUE);
-      map = const_buffer->virtual;
-      memcpy(map, params->ParameterValues, size);
-      dri_bo_unmap(const_buffer);
+      if (intel->intelScreen->kernel_exec_fencing) {
+         drm_intel_gem_bo_map_gtt(const_buffer);
+         memcpy(const_buffer->virtual, params->ParameterValues, size);
+         drm_intel_gem_bo_unmap_gtt(const_buffer);
+      }
+      else {
+         dri_bo_subdata(const_buffer, 0, size, params->ParameterValues);
+      }
 
       if (0) {
          int i;

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