commit 0fda98687c2103ada393a6c39640c8efddc7994a
author Jamie Madill <jmadill@transgaming.com> Fri Jul 19 16:36:55 2013 -0400
committer Shannon Woods <shannonwoods@chromium.org> Fri Jul 19 18:08:14 2013 -0400
tree c608f5d310c6ab2450b2c1a3fb362aee4e9be4b1
parent af49691316de76a6fe8237419bbe4cbf3178abed

Added Context::getInteger64v for 64-bit integer state queries.

TRAC #23082

Signed-off-by: Geoff Lang
Signed-off-by: Shannon Woods
Authored-by: Jamie Madill

src/libGLESv2/Context.cpp

diff --git a/src/libGLESv2/Context.cpp b/src/libGLESv2/Context.cpp
index 03470e9..99f5b68 100644
--- a/src/libGLESv2/Context.cpp
+++ b/src/libGLESv2/Context.cpp
@@ -1817,6 +1817,41 @@
     return true;
 }
 
+bool Context::getInteger64v(GLenum pname, GLint64 *params)
+{
+    switch (pname)
+    {
+      case GL_MAX_ELEMENT_INDEX:
+        *params = static_cast<GLint64>(std::numeric_limits<unsigned int>::max());
+        break;
+      case GL_MAX_UNIFORM_BLOCK_SIZE:
+        *params = static_cast<GLint64>(mRenderer->getMaxUniformBufferSize());
+        break;
+      case GL_MAX_COMBINED_VERTEX_UNIFORM_COMPONENTS:
+        {
+            GLint64 uniformBufferComponents = static_cast<GLint64>(mRenderer->getMaxVertexShaderUniformBuffers()) * static_cast<GLint64>(mRenderer->getMaxUniformBufferSize() / 4);
+            GLint64 defaultBufferComponents = static_cast<GLint64>(mRenderer->getMaxVertexUniformVectors() * 4);
+            *params = uniformBufferComponents + defaultBufferComponents;
+        }
+        break;
+      case GL_MAX_COMBINED_FRAGMENT_UNIFORM_COMPONENTS:
+        {
+            GLint64 uniformBufferComponents = static_cast<GLint64>(mRenderer->getMaxFragmentShaderUniformBuffers()) * static_cast<GLint64>(mRenderer->getMaxUniformBufferSize() / 4);
+            GLint64 defaultBufferComponents = static_cast<GLint64>(mRenderer->getMaxVertexUniformVectors() * 4);
+            *params = uniformBufferComponents + defaultBufferComponents;
+        }
+        break;
+      case GL_MAX_SERVER_WAIT_TIMEOUT:
+        // Can return an arbitrary value (nanoseconds) as we do not perform any blocking, in this case 100 seconds.
+        *params = 100ll * 1000ll * 1000ll;
+        break;
+      default:
+        return false;
+    }
+
+    return true;
+}
+
 bool Context::getQueryParameterInfo(GLenum pname, GLenum *type, unsigned int *numParams)
 {
     if (pname >= GL_DRAW_BUFFER0_EXT && pname <= GL_DRAW_BUFFER15_EXT)
@@ -2031,6 +2066,17 @@
             *numParams = 1;
         }
         return true;
+
+      case GL_MAX_ELEMENT_INDEX:
+      case GL_MAX_UNIFORM_BLOCK_SIZE:
+      case GL_MAX_COMBINED_VERTEX_UNIFORM_COMPONENTS:
+      case GL_MAX_COMBINED_FRAGMENT_UNIFORM_COMPONENTS:
+      case GL_MAX_SERVER_WAIT_TIMEOUT:
+        {
+            *type = GL_INT_64_ANGLEX;
+            *numParams = 1;
+        }
+        return true;
     }
 
     return false;