ES31: Add glGetProgramInterfaceiv API
Add API entry and validation checks(GLES 3.1 section 7.3).
Add the first 4 interfaces(PROGRAM_INPUT, PROGRAM_OUTPUT,
UNIFORM and UNIFORM_BLOCK) implementation.
BUG=angleproject:1920
TEST=angle_end2end_tests:ProgramInterfaceTestES31.*
Change-Id: Iab80ba332e2a5e2b3e677039359e60a420e3d6b0
Reviewed-on: https://chromium-review.googlesource.com/642729
Commit-Queue: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>
diff --git a/src/common/utilities.cpp b/src/common/utilities.cpp
index ab1c3ba..03cb57c 100644
--- a/src/common/utilities.cpp
+++ b/src/common/utilities.cpp
@@ -773,6 +773,20 @@
}
template <>
+GLint ConvertToGLint(uint32_t param)
+{
+ uint32_t max = static_cast<uint32_t>(std::numeric_limits<GLint>::max());
+ return static_cast<GLint>(param >= max ? max : param);
+}
+
+template <>
+GLint ConvertToGLint(uint64_t param)
+{
+ uint64_t max = static_cast<uint64_t>(std::numeric_limits<GLint>::max());
+ return static_cast<GLint>(param >= max ? max : param);
+}
+
+template <>
GLint ConvertToGLint(GLfloat param)
{
return iround<GLint>(param);