commit 191381fd9b1f41203b66a18036982d8869862bf3
author jchen10 <jie.a.chen@intel.com> Tue Apr 11 13:59:04 2017 +0800
committer Commit Bot <commit-bot@chromium.org> Wed Jul 19 15:42:33 2017 +0000
tree 14a42f860a38cdda607217627cfb15b448783e0f
parent 24fe74c139576634bcce0e050977e499b673ba83

ES31: Add glGetProgramResourceLocation API

Add API entry and validation checks(GLES 3.1 section 7.3).
Add the first 2 interfaces(PROGRAM_INPUT and PROGRAM_OUTPUT) implementation.

BUG=angleproject:1920
TEST=angle_end2end_tests:ProgramInterfaceTestES31.*

Change-Id: I5128cda43b0d9176c910b036cdc76bf37757670e
Reviewed-on: https://chromium-review.googlesource.com/474212
Commit-Queue: Geoff Lang <geofflang@chromium.org>
Reviewed-by: Geoff Lang <geofflang@chromium.org>

src/libANGLE/queryutils.cpp

diff --git a/src/libANGLE/queryutils.cpp b/src/libANGLE/queryutils.cpp
index a274824..389f3a5 100644
--- a/src/libANGLE/queryutils.cpp
+++ b/src/libANGLE/queryutils.cpp
@@ -1050,7 +1050,7 @@
         case GL_PROGRAM_OUTPUT:
             return program->getOutputResourceIndex(name);
 
-        // TODO(Jie): more interfaces.
+        // TODO(jie.a.chen@intel.com): more interfaces.
         case GL_UNIFORM:
         case GL_UNIFORM_BLOCK:
         case GL_TRANSFORM_FEEDBACK_VARYING:
@@ -1082,7 +1082,7 @@
             program->getOutputResourceName(index, bufSize, length, name);
             break;
 
-        // TODO(Jie): more interfaces.
+        // TODO(jie.a.chen@intel.com): more interfaces.
         case GL_UNIFORM:
         case GL_UNIFORM_BLOCK:
         case GL_TRANSFORM_FEEDBACK_VARYING:
@@ -1096,6 +1096,33 @@
     }
 }
 
+GLint QueryProgramResourceLocation(const Program *program,
+                                   GLenum programInterface,
+                                   const GLchar *name)
+{
+    switch (programInterface)
+    {
+        case GL_PROGRAM_INPUT:
+            return program->getAttributeLocation(name);
+
+        case GL_PROGRAM_OUTPUT:
+            return program->getFragDataLocation(name);
+
+        // TODO(jie.a.chen@intel.com): more interfaces.
+        case GL_UNIFORM:
+        case GL_UNIFORM_BLOCK:
+        case GL_TRANSFORM_FEEDBACK_VARYING:
+        case GL_BUFFER_VARIABLE:
+        case GL_SHADER_STORAGE_BLOCK:
+            UNIMPLEMENTED();
+            return -1;
+
+        default:
+            UNREACHABLE();
+            return -1;
+    }
+}
+
 }  // namespace gl
 
 namespace egl