mesa: add support for GL_OES_EGL_image_external

This is an OpenGL ES specific extension.  External textures are textures that
may be sampled from, but not be updated (no glTexSubImage* and etc.).  The
image data are taken from an EGLImage.

Reviewed-by: Brian Paul <[email protected]>
Acked-by: Jakob Bornecrantz <[email protected]>

1 files changed, 9 insertions, 0 deletions

diff --git a/src/mesa/main/get.c b/src/mesa/main/get.c
index 8925b75ebee..d8a063876d8 100644
--- a/src/mesa/main/get.c
+++ b/src/mesa/main/get.c
@@ -332,6 +332,7 @@ EXTRA_EXT(ARB_color_buffer_float);
 EXTRA_EXT(ARB_copy_buffer);
 EXTRA_EXT(EXT_framebuffer_sRGB);
 EXTRA_EXT(ARB_texture_buffer_object);
+EXTRA_EXT(OES_EGL_image_external);
 
 static const int
 extra_ARB_vertex_program_ARB_fragment_program_NV_vertex_program[] = {
@@ -762,6 +763,12 @@ static const struct value_desc values[] = {
    { GL_SHADER_BINARY_FORMATS, CONST(0), NO_EXTRA },
 #endif /* FEATURE_ES2 */
 
+   /* GL_OES_EGL_image_external */
+   { GL_TEXTURE_BINDING_EXTERNAL_OES, LOC_CUSTOM,
+     TYPE_INT, TEXTURE_EXTERNAL_INDEX, extra_OES_EGL_image_external },
+   { GL_TEXTURE_EXTERNAL_OES, LOC_CUSTOM,
+     TYPE_BOOLEAN, 0, extra_OES_EGL_image_external },
+
 #if FEATURE_GL
    /* Remaining enums are only in OpenGL */
    { 0, 0, TYPE_API_MASK, API_OPENGL_BIT, NO_EXTRA },
@@ -1419,6 +1426,7 @@ find_custom_value(struct gl_context *ctx, const struct value_desc *d, union valu
    case GL_TEXTURE_2D_ARRAY_EXT:
    case GL_TEXTURE_CUBE_MAP_ARB:
    case GL_TEXTURE_RECTANGLE_NV:
+   case GL_TEXTURE_EXTERNAL_OES:
       v->value_bool = _mesa_IsEnabled(d->pname);
       break;
 
@@ -1596,6 +1604,7 @@ find_custom_value(struct gl_context *ctx, const struct value_desc *d, union valu
    case GL_TEXTURE_BINDING_2D_ARRAY_EXT:
    case GL_TEXTURE_BINDING_CUBE_MAP_ARB:
    case GL_TEXTURE_BINDING_RECTANGLE_NV:
+   case GL_TEXTURE_BINDING_EXTERNAL_OES:
       unit = ctx->Texture.CurrentUnit;
       v->value_int =
 	 ctx->Texture.Unit[unit].CurrentTex[d->offset]->Name;