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cogl-material: Fix some problems with flushing texture overrides

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There were a few problems flushing texture overrides so that sliced
textures would not work:

* In _cogl_material_set_layer_texture it ignored the 'overriden'
  parameter and always set texture_overridden to FALSE.

* cogl_texture_get_gl_texture wasn't being called correctly in
  override_layer_texture_cb. It returns a gboolean to indicate the
  error status but this boolean was being assigned to gl_target.

* _cogl_material_layer_texture_equal did not take into account the
  override.

* _cogl_material_layer_get_texture_info did not return the overridden
  texture so it would always use the first texture slice.
This commit is contained in:
Neil Roberts 2010-07-08 18:28:11 +01:00
parent 61cbeeacfa
commit 475a72fd94
1 changed files with 18 additions and 4 deletions
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20
cogl/cogl-material.c
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@ -2042,7 +2042,7 @@ _cogl_material_set_layer_texture (CoglMaterial *material,
layer->texture != COGL_INVALID_HANDLE)
cogl_handle_unref (layer->texture);
layer->texture = texture;
layer->texture_overridden = FALSE;
layer->texture_overridden = overriden;
layer->slice_gl_texture = slice_gl_texture;
layer->slice_gl_target = slice_gl_target;
@ -2651,7 +2651,7 @@ override_layer_texture_cb (CoglMaterialLayer *layer, void *user_data)
texture = _cogl_material_layer_get_texture (layer);
if (texture != COGL_INVALID_HANDLE)
gl_target = cogl_texture_get_gl_texture (texture, NULL, &gl_target);
cogl_texture_get_gl_texture (texture, NULL, &gl_target);
else
gl_target = GL_TEXTURE_2D;
@ -2736,6 +2736,15 @@ _cogl_material_layer_texture_equal (CoglMaterialLayer *authority0,
{
if (authority0->texture != authority1->texture)
return FALSE;
if (authority0->texture_overridden != authority1->texture_overridden)
return FALSE;
if (authority0->texture_overridden &&
(authority0->slice_gl_texture != authority1->slice_gl_texture ||
authority0->slice_gl_target != authority1->slice_gl_target))
return FALSE;
return TRUE;
}
@ -5358,8 +5367,13 @@ _cogl_material_layer_get_texture_info (CoglMaterialLayer *layer,
*texture = layer->texture;
if (G_UNLIKELY (*texture == COGL_INVALID_HANDLE))
*texture = ctx->default_gl_texture_2d_tex;
if (layer->texture_overridden)
{
*gl_texture = layer->slice_gl_texture;
*gl_target = layer->slice_gl_target;
}
else
cogl_texture_get_gl_texture (*texture, gl_texture, gl_target);
return;
}
#ifndef HAVE_COGL_GLES