Mesa (master): core: Implement GL_OES_EGL_image entry points

[Kristian Høgsberg]

Module: Mesa
Branch: master
Commit: d1dc5b124e133379be5bb57b68733c09c0e04f71
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=d1dc5b124e133379be5bb57b68733c09c0e04f71

Author: Kristian Høgsberg <krh at bitplanet.net>
Date:   Thu Feb 11 17:42:30 2010 -0500

core: Implement GL_OES_EGL_image entry points

---

 src/mesa/main/dd.h        |   11 +++++++++++
 src/mesa/main/fbobject.c  |   24 ++++++++++++++++++++++++
 src/mesa/main/fbobject.h  |    3 +++
 src/mesa/main/mfeatures.h |    2 ++
 src/mesa/main/teximage.c  |   41 +++++++++++++++++++++++++++++++++++++++++
 src/mesa/main/teximage.h  |    2 ++
 6 files changed, 83 insertions(+), 0 deletions(-)

diff --git a/src/mesa/main/dd.h b/src/mesa/main/dd.h
index d98a14e..079e44b 100644
--- a/src/mesa/main/dd.h
+++ b/src/mesa/main/dd.h
@@ -1035,6 +1035,17 @@ struct dd_function_table {
                    GLfloat width, GLfloat height);
    /*@}*/
 #endif
+
+#if FEATURE_OES_EGL_image
+   void (*EGLImageTargetTexture2D)(GLcontext *ctx, GLenum target,
+				   struct gl_texture_object *texObj,
+				   struct gl_texture_image *texImage,
+				   GLeglImageOES image_handle);
+   void (*EGLImageTargetRenderbufferStorage)(GLcontext *ctx,
+					     struct gl_renderbuffer *rb,
+					     void *image_handle);
+#endif
+
 };
 
 
diff --git a/src/mesa/main/fbobject.c b/src/mesa/main/fbobject.c
index 04ea3b4..8fbe083 100644
--- a/src/mesa/main/fbobject.c
+++ b/src/mesa/main/fbobject.c
@@ -1008,6 +1008,30 @@ renderbuffer_storage(GLenum target, GLenum internalFormat,
     */
 }
 
+#if FEATURE_OES_EGL_image
+void GLAPIENTRY
+_mesa_EGLImageTargetRenderbufferStorageOES (GLenum target, GLeglImageOES image)
+{
+   GET_CURRENT_CONTEXT(ctx);
+   ASSERT_OUTSIDE_BEGIN_END(ctx);
+   struct gl_renderbuffer *rb;
+
+   if (target != GL_RENDERBUFFER) {
+      _mesa_error(ctx, GL_INVALID_ENUM, "EGLImageTargetRenderbufferStorageOES");
+      return;
+   }
+
+   rb = ctx->CurrentRenderbuffer;
+   if (!rb) {
+      _mesa_error(ctx, GL_INVALID_OPERATION, "EGLImageTargetRenderbufferStorageOES");
+      return;
+   }
+
+   FLUSH_VERTICES(ctx, _NEW_BUFFERS);
+
+   ctx->Driver.EGLImageTargetRenderbufferStorage(ctx, rb, image);
+}
+#endif
 
 /**
  * Helper function for _mesa_GetRenderbufferParameterivEXT() and
diff --git a/src/mesa/main/fbobject.h b/src/mesa/main/fbobject.h
index 5409394..28f75df 100644
--- a/src/mesa/main/fbobject.h
+++ b/src/mesa/main/fbobject.h
@@ -89,6 +89,9 @@ _mesa_RenderbufferStorageMultisample(GLenum target, GLsizei samples,
                                      GLsizei width, GLsizei height);
 
 extern void GLAPIENTRY
+_mesa_EGLImageTargetRenderbufferStorageOES(GLenum target, GLeglImageOES image);
+
+extern void GLAPIENTRY
 _mesa_GetRenderbufferParameterivEXT(GLenum target, GLenum pname,
                                     GLint *params);
 
diff --git a/src/mesa/main/mfeatures.h b/src/mesa/main/mfeatures.h
index 4e68bc1..f0896ee 100644
--- a/src/mesa/main/mfeatures.h
+++ b/src/mesa/main/mfeatures.h
@@ -122,5 +122,7 @@
 #define FEATURE_NV_fragment_program  _HAVE_FULL_GL
 #define FEATURE_NV_vertex_program  _HAVE_FULL_GL
 
+#define FEATURE_OES_EGL_image _HAVE_FULL_GL
+
 
 #endif /* FEATURES_H */
diff --git a/src/mesa/main/teximage.c b/src/mesa/main/teximage.c
index 00329c7..40ebff7 100644
--- a/src/mesa/main/teximage.c
+++ b/src/mesa/main/teximage.c
@@ -2448,6 +2448,47 @@ _mesa_TexImage3DEXT( GLenum target, GLint level, GLenum internalFormat,
 }
 
 
+#if FEATURE_OES_EGL_image
+void GLAPIENTRY
+_mesa_EGLImageTargetTexture2DOES (GLenum target, GLeglImageOES image)
+{
+   GET_CURRENT_CONTEXT(ctx);
+   ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+   struct gl_texture_object *texObj;
+   struct gl_texture_image *texImage;
+
+   if (target != GL_TEXTURE_2D) {
+      _mesa_error(ctx, GL_INVALID_ENUM,
+		  "glEGLImageTargetTexture2D(target=%d)", target);
+      return;
+   }
+
+   if (ctx->NewState & _MESA_NEW_TRANSFER_STATE)
+      _mesa_update_state(ctx);
+
+   texObj = _mesa_get_current_tex_object(ctx, target);
+   _mesa_lock_texture(ctx, texObj);
+
+   texImage = _mesa_get_tex_image(ctx, texObj, target, 0);
+   if (!texImage) {
+      _mesa_error(ctx, GL_OUT_OF_MEMORY, "glEGLImageTargetTexture2D");
+   } else {
+      if (texImage->Data)
+	 ctx->Driver.FreeTexImageData( ctx, texImage );
+
+      ASSERT(texImage->Data == NULL);
+      ctx->Driver.EGLImageTargetTexture2D(ctx, target,
+					  texObj, texImage, image);
+
+      /* state update */
+      texObj->_Complete = GL_FALSE;
+      ctx->NewState |= _NEW_TEXTURE;
+   }
+   _mesa_unlock_texture(ctx, texObj);
+
+}
+#endif
+
 
 void GLAPIENTRY
 _mesa_TexSubImage1D( GLenum target, GLint level,
diff --git a/src/mesa/main/teximage.h b/src/mesa/main/teximage.h
index 97c9018..d82cc98 100644
--- a/src/mesa/main/teximage.h
+++ b/src/mesa/main/teximage.h
@@ -165,6 +165,8 @@ _mesa_TexImage3DEXT( GLenum target, GLint level, GLenum internalformat,
                      GLint border, GLenum format, GLenum type,
                      const GLvoid *pixels );
 
+extern void GLAPIENTRY
+_mesa_EGLImageTargetTexture2DOES( GLenum target, GLeglImageOES image );
 
 extern void GLAPIENTRY
 _mesa_TexSubImage1D( GLenum target, GLint level, GLint xoffset,