Updated glitz_texture_copy_surface

5 files changed, 59 insertions, 33 deletions

diff --git a/src/glitz.c b/src/glitz.c
index 1efe38f..8f68193 100644
--- a/src/glitz.c
+++ b/src/glitz.c
@@ -841,7 +841,6 @@ glitz_copy_area (glitz_surface_t *src,
                  int y_dst)
 {
   glitz_gl_proc_address_list_t *gl;
-  glitz_bounding_box_t box;
   int status;
   
   if (SURFACE_PROGRAMMATIC (dst) || SURFACE_PROGRAMMATIC (src))
@@ -880,16 +879,13 @@ glitz_copy_area (glitz_surface_t *src,
   if (width <= 0 || height <= 0)
     return;
 
-  box.x1 = x_dst;
-  box.y1 = y_dst;
-  box.x2 = box.x1 + width;
-  box.y2 = box.y1 + height;
-
   gl = dst->gl;
 
   status = 0;
   if (glitz_surface_try_push_current (dst,
                                       GLITZ_CN_SURFACE_DRAWABLE_CURRENT)) {
+    glitz_bounding_box_t box;
+    
     if (src != dst)
       status = glitz_surface_make_current_read (src);
     else
@@ -953,6 +949,11 @@ glitz_copy_area (glitz_surface_t *src,
       }
     }
 
+    box.x1 = x_dst;
+    box.y1 = y_dst;
+    box.x2 = box.x1 + width;
+    box.y2 = box.y1 + height;
+    
     glitz_surface_dirty (dst, &box);
     glitz_surface_pop_current (dst);
 
@@ -962,7 +963,8 @@ glitz_copy_area (glitz_surface_t *src,
   if (!status) {
     if (glitz_surface_try_push_current (src,
                                         GLITZ_CN_SURFACE_DRAWABLE_CURRENT)) {
-      glitz_texture_copy_surface (&dst->texture, src, &box, x_src, y_src);
+      glitz_texture_copy_surface (&dst->texture, src,
+                                  x_src, y_src, width, height, x_dst, y_dst);
       status = 1;
     }
     glitz_surface_pop_current (src);
diff --git a/src/glitz_agl_surface.c b/src/glitz_agl_surface.c
index 4efc9f5..c1f8bb7 100644
--- a/src/glitz_agl_surface.c
+++ b/src/glitz_agl_surface.c
@@ -119,11 +119,22 @@ _glitz_agl_surface_get_texture (void *abstract_surface) {
       }
 
       return &surface->base.texture;
-    } else 
+    } else {
+      glitz_bounding_box_t copy_box;
+
+      copy_box.x1 = copy_box.y1 = 0;
+      copy_box.x2 = surface->base.width;
+      copy_box.y2 = surface->base.height;
+      glitz_intersect_bounding_box (&surface->base.dirty_box,
+                                    &copy_box, &copy_box);
       glitz_texture_copy_surface (&surface->base.texture, &surface->base,
-                                  &surface->base.dirty_box,
-                                  surface->base.dirty_box.x1,
-                                  surface->base.dirty_box.y1);
+                                  copy_box.x1,
+                                  copy_box.y1,
+                                  copy_box.x2 - copy_box.x1,
+                                  copy_box.y2 - copy_box.y1,
+                                  copy_box.x1,
+                                  copy_box.y1);
+    }
     
     surface->base.hint_mask &= ~GLITZ_INT_HINT_DIRTY_MASK;
   }
diff --git a/src/glitz_glx_surface.c b/src/glitz_glx_surface.c
index d4b115e..393053d 100644
--- a/src/glitz_glx_surface.c
+++ b/src/glitz_glx_surface.c
@@ -143,10 +143,20 @@ _glitz_glx_surface_get_texture (void *abstract_surface)
   glitz_glx_surface_t *surface = (glitz_glx_surface_t *) abstract_surface;
   
   if (surface->base.hint_mask & GLITZ_INT_HINT_DIRTY_MASK) {
+    glitz_bounding_box_t copy_box;
+
+    copy_box.x1 = copy_box.y1 = 0;
+    copy_box.x2 = surface->base.width;
+    copy_box.y2 = surface->base.height;
+    glitz_intersect_bounding_box (&surface->base.dirty_box,
+                                  &copy_box, &copy_box);
     glitz_texture_copy_surface (&surface->base.texture, &surface->base,
-                                &surface->base.dirty_box,
-                                surface->base.dirty_box.x1,
-                                surface->base.dirty_box.y1);
+                                copy_box.x1,
+                                copy_box.y1,
+                                copy_box.x2 - copy_box.x1,
+                                copy_box.y2 - copy_box.y1,
+                                copy_box.x1,
+                                copy_box.y1);
     surface->base.hint_mask &= ~GLITZ_INT_HINT_DIRTY_MASK;
   }
   
diff --git a/src/glitz_texture.c b/src/glitz_texture.c
index 03ee54d..04db81c 100644
--- a/src/glitz_texture.c
+++ b/src/glitz_texture.c
@@ -213,11 +213,14 @@ glitz_texture_unbind (glitz_gl_proc_address_list_t *gl,
 void
 glitz_texture_copy_surface (glitz_texture_t *texture,
                             glitz_surface_t *surface,
-                            glitz_bounding_box_t *box,
-                            int x_src,
-                            int y_src)
+                            int x_surface,
+                            int y_surface,
+                            int width,
+                            int height,
+                            int x_texture,
+                            int y_texture)
 {
-  int x_dst, y_dst, width, height;
+  int tex_height;
   
   glitz_surface_push_current (surface, GLITZ_CN_SURFACE_DRAWABLE_CURRENT);
   
@@ -226,22 +229,19 @@ glitz_texture_copy_surface (glitz_texture_t *texture,
   if (!texture->allocated)
     _glitz_texture_allocate (surface->gl, texture);
 
-  if (x_src < 0) x_src = 0;
-  if (y_src < 0) y_src = 0;
-  
-  x_dst = (box->x1 > 0)? box->x1: 0;
-  y_dst = (box->y1 > 0)? box->y1: 0;
-  width = (box->x2 < (int) texture->width)?
-    box->x2 - x_dst: (int) texture->width - x_dst;
-  height = (box->x2 < (int) texture->height)?
-    box->y2 - y_dst: (int) texture->height - y_dst;
-
   if (surface->format->doublebuffer)
     surface->gl->read_buffer (surface->read_buffer);
+
+  if (texture->target == GLITZ_GL_TEXTURE_2D)
+    tex_height = (int) ((double) texture->height * texture->texcoord_height);
+  else
+    tex_height = (int) texture->texcoord_height;
   
   surface->gl->copy_tex_sub_image_2d (texture->target, 0,
-                                      x_dst, y_dst,
-                                      x_src, y_src,
+                                      x_texture,
+                                      tex_height - y_texture - height,
+                                      x_surface,
+                                      surface->height - y_surface - height,
                                       width, height);
 
   glitz_texture_unbind (surface->gl, texture);
diff --git a/src/glitzint.h b/src/glitzint.h
index 49c878c..db9628f 100644
--- a/src/glitzint.h
+++ b/src/glitzint.h
@@ -491,9 +491,12 @@ glitz_texture_unbind (glitz_gl_proc_address_list_t *gl,
 void
 glitz_texture_copy_surface (glitz_texture_t *texture,
                             glitz_surface_t *surface,
-                            glitz_bounding_box_t *box,
-                            int x_src,
-                            int y_src);
+                            int x_surface,
+                            int y_surface,
+                            int width,
+                            int height,
+                            int x_texture,
+                            int y_texture);
 
 void
 glitz_surface_init (glitz_surface_t *surface,