[Mesa-dev] [RFC 36/63] mesa/formatquery: Added {COLOR, DEPTH, STENCIL}_RENDERABLE <pname> queries

[Eduardo Lima Mitev]

From: Antia Puentes <apuentes at igalia.com>

---
 src/mesa/main/formatquery.c | 22 +++++++++++++++-------
 1 file changed, 15 insertions(+), 7 deletions(-)

diff --git a/src/mesa/main/formatquery.c b/src/mesa/main/formatquery.c
index acf907e..f0ea210 100644
--- a/src/mesa/main/formatquery.c
+++ b/src/mesa/main/formatquery.c
@@ -997,15 +997,23 @@ _mesa_GetInternalformativ(GLenum target, GLenum internalformat, GLenum pname,
       break;
 
    case GL_COLOR_RENDERABLE:
-      /* @TODO */
-      break;
-
    case GL_DEPTH_RENDERABLE:
-      /* @TODO */
-      break;
-
    case GL_STENCIL_RENDERABLE:
-      /* @TODO */
+      if (!_is_renderable(ctx, internalformat))
+         goto end;
+
+      if (pname == GL_COLOR_RENDERABLE) {
+         if (!_mesa_is_color_format(internalformat))
+            goto end;
+      } else {
+         GLenum baseFormat = _mesa_base_fbo_format(ctx, internalformat);
+         if (baseFormat != GL_DEPTH_STENCIL &&
+             ((pname == GL_DEPTH_RENDERABLE && baseFormat != GL_DEPTH_COMPONENT) ||
+              (pname == GL_STENCIL_RENDERABLE && baseFormat != GL_STENCIL_INDEX)))
+            goto end;
+      }
+
+      buffer[0] = GL_TRUE;
       break;
 
    case GL_FRAMEBUFFER_RENDERABLE:
-- 
2.5.3