Mesa (master): mesa: handle array textures in GenerateMipmap(), FramebufferTexture1/2D()

[Brian Paul]

Module: Mesa
Branch: master
Commit: 3e9dc51f82276e57ecfb4e2725d88d83dbedcd85
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=3e9dc51f82276e57ecfb4e2725d88d83dbedcd85

Author: Brian Paul <brianp at vmware.com>
Date:   Thu Aug 18 15:59:33 2011 -0600

mesa: handle array textures in GenerateMipmap(), FramebufferTexture1/2D()

This was an unfinished to-do item before.
With this patch and the two preceeding patches, piglit's
fbo-generatemipmap-array test runs and passes instead of generating
a GL error and dying on an assertion.

Reviewed-by: Ian Romanick <ian.d.romanick at intel.com>

---

 src/mesa/main/fbobject.c |   24 +++++++++++++++++++++---
 1 files changed, 21 insertions(+), 3 deletions(-)

diff --git a/src/mesa/main/fbobject.c b/src/mesa/main/fbobject.c
index e25ec8c..0b48fc7 100644
--- a/src/mesa/main/fbobject.c
+++ b/src/mesa/main/fbobject.c
@@ -1991,6 +1991,9 @@ _mesa_FramebufferTexture1DEXT(GLenum target, GLenum attachment,
       case GL_TEXTURE_1D:
          error = GL_FALSE;
          break;
+      case GL_TEXTURE_1D_ARRAY:
+         error = !ctx->Extensions.EXT_texture_array;
+         break;
       default:
          error = GL_TRUE;
       }
@@ -2032,6 +2035,9 @@ _mesa_FramebufferTexture2DEXT(GLenum target, GLenum attachment,
       case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
          error = !ctx->Extensions.ARB_texture_cube_map;
          break;
+      case GL_TEXTURE_2D_ARRAY:
+         error = !ctx->Extensions.EXT_texture_array;
+         break;
       default:
          error = GL_FALSE;
       }
@@ -2380,6 +2386,8 @@ void GLAPIENTRY
 _mesa_GenerateMipmapEXT(GLenum target)
 {
    struct gl_texture_object *texObj;
+   GLboolean error;
+
    GET_CURRENT_CONTEXT(ctx);
 
    ASSERT_OUTSIDE_BEGIN_END(ctx);
@@ -2389,12 +2397,22 @@ _mesa_GenerateMipmapEXT(GLenum target)
    case GL_TEXTURE_1D:
    case GL_TEXTURE_2D:
    case GL_TEXTURE_3D:
+      error = GL_FALSE;
+      break;
    case GL_TEXTURE_CUBE_MAP:
-      /* OK, legal value */
+      error = !ctx->Extensions.ARB_texture_cube_map;
+      break;
+   case GL_TEXTURE_1D_ARRAY:
+   case GL_TEXTURE_2D_ARRAY:
+      error = !ctx->Extensions.EXT_texture_array;
       break;
    default:
-      /* XXX need to implement GL_TEXTURE_1D_ARRAY and GL_TEXTURE_2D_ARRAY */
-      _mesa_error(ctx, GL_INVALID_ENUM, "glGenerateMipmapEXT(target)");
+      error = GL_TRUE;
+   }
+
+   if (error) {
+      _mesa_error(ctx, GL_INVALID_ENUM, "glGenerateMipmapEXT(target=%s)",
+                  _mesa_lookup_enum_by_nr(target));
       return;
    }