Special-case glGetActiveUniformBlockName

Bug: 8566953
Change-Id: Ic9b3be9fa0136495633ee3b1c38583cfa315942a

4 files changed, 159 insertions, 1 deletions

diff --git a/opengl/tools/glgen/specs/gles11/GLES30.spec b/opengl/tools/glgen/specs/gles11/GLES30.spec
index d09885c..cc4f7b1 100644
--- a/opengl/tools/glgen/specs/gles11/GLES30.spec
+++ b/opengl/tools/glgen/specs/gles11/GLES30.spec
@@ -225,7 +225,7 @@ void glGetUniformIndices ( GLuint program, GLsizei uniformCount, const GLchar *c
 void glGetActiveUniformsiv ( GLuint program, GLsizei uniformCount, const GLuint *uniformIndices, GLenum pname, GLint *params )
 GLuint glGetUniformBlockIndex ( GLuint program, const GLchar *uniformBlockName )
 void glGetActiveUniformBlockiv ( GLuint program, GLuint uniformBlockIndex, GLenum pname, GLint *params )
-// void glGetActiveUniformBlockName ( GLuint program, GLuint uniformBlockIndex, GLsizei bufSize, GLsizei *length, GLchar *uniformBlockName )
+void glGetActiveUniformBlockName ( GLuint program, GLuint uniformBlockIndex, GLsizei bufSize, GLsizei *length, GLchar *uniformBlockName )
 void glUniformBlockBinding ( GLuint program, GLuint uniformBlockIndex, GLuint uniformBlockBinding )
 void glDrawArraysInstanced ( GLenum mode, GLint first, GLsizei count, GLsizei instanceCount )
 void glDrawElementsInstanced ( GLenum mode, GLsizei count, GLenum type, const GLvoid *indices, GLsizei instanceCount )
diff --git a/opengl/tools/glgen/stubs/gles11/glGetActiveUniformBlockName.cpp b/opengl/tools/glgen/stubs/gles11/glGetActiveUniformBlockName.cpp
new file mode 100644
index 0000000..bb6ae7c
--- /dev/null
+++ b/opengl/tools/glgen/stubs/gles11/glGetActiveUniformBlockName.cpp
@@ -0,0 +1,127 @@
+/* void glGetActiveUniformBlockName ( GLuint program, GLuint uniformBlockIndex, GLsizei bufSize, GLsizei *length, GLchar *uniformBlockName ) */
+static void
+android_glGetActiveUniformBlockName_III_3II_3BI
+    (JNIEnv* _env, jobject _this, jint program, jint uniformBlockIndex, int bufSize, jintArray length_ref, jint lengthOffset, jbyteArray name_ref, jint nameOffset) {
+    jint _exception = 0;
+    const char* _exceptionType;
+    const char* _exceptionMessage;
+    GLsizei* _length_base = (GLsizei*)0;
+    jint _lengthRemaining;
+    GLsizei* _length = (GLsizei*)0;
+    GLchar* _name_base = (GLchar*)0;
+    jint _nameRemaining;
+    GLchar* _name = (GLchar*)0;
+
+    if (!length_ref) {
+        _exception = 1;
+        _exceptionType = "java/lang/IllegalArgumentException";
+        _exceptionMessage = "length == null";
+        goto exit;
+    }
+    if (lengthOffset < 0) {
+        _exception = 1;
+        _exceptionType = "java/lang/IllegalArgumentException";
+        _exceptionMessage = "lengthOffset < 0";
+        goto exit;
+    }
+    _lengthRemaining = _env->GetArrayLength(length_ref) - lengthOffset;
+    _length_base = (GLsizei*)_env->GetPrimitiveArrayCritical(
+            length_ref, (jboolean*)0);
+    _length = _length_base + lengthOffset;
+
+    if (!name_ref) {
+        _exception = 1;
+        _exceptionType = "java/lang/IllegalArgumentException";
+        _exceptionMessage = "uniformBlockName == null";
+        goto exit;
+    }
+    if (nameOffset < 0) {
+        _exception = 1;
+        _exceptionType = "java/lang/IllegalArgumentException";
+        _exceptionMessage = "uniformBlockNameOffset < 0";
+        goto exit;
+    }
+    _nameRemaining = _env->GetArrayLength(name_ref) - nameOffset;
+    _name_base = (GLchar*)_env->GetPrimitiveArrayCritical(
+            name_ref, (jboolean*)0);
+    _name = _name_base + nameOffset;
+
+    glGetActiveUniformBlockName(
+        (GLuint)program,
+        (GLuint)uniformBlockIndex,
+        (GLsizei)bufSize,
+        (GLsizei*)_length,
+        (GLchar*)_name
+    );
+
+exit:
+    if (_name_base) {
+        _env->ReleasePrimitiveArrayCritical(name_ref, _name_base,
+            _exception ? JNI_ABORT: 0);
+    }
+    if (_length_base) {
+        _env->ReleasePrimitiveArrayCritical(length_ref, _length_base,
+            _exception ? JNI_ABORT: 0);
+    }
+    if (_exception) {
+        jniThrowException(_env, _exceptionType, _exceptionMessage);
+    }
+}
+
+/* void glGetActiveUniformBlockName ( GLuint program, GLuint uniformBlockIndex, GLsizei bufSize, GLsizei *length, GLchar *uniformBlockName ) */
+static void
+android_glGetActiveUniformBlockName_IILjava_nio_Buffer_2Ljava_nio_Buffer_2
+    (JNIEnv* _env, jobject _this, jint program, jint uniformBlockIndex, jobject length_buf, jobject uniformBlockName_buf) {
+    jint _exception = 0;
+    const char* _exceptionType;
+    const char* _exceptionMessage;
+    jarray _lengthArray = (jarray)0;
+    jint _lengthBufferOffset = (jint)0;
+    GLsizei* _length = (GLsizei*)0;
+    jint _lengthRemaining;
+    jarray _nameArray = (jarray)0;
+    jint _nameBufferOffset = (jint)0;
+    GLchar* _name = (GLchar*)0;
+    jint _nameRemaining;
+
+    _length = (GLsizei*)getPointer(_env, length_buf, &_lengthArray, &_lengthRemaining, &_lengthBufferOffset);
+    if (_length == NULL) {
+        GLsizei* _lengthBase = (GLsizei*)_env->GetPrimitiveArrayCritical(_lengthArray, (jboolean*)0);
+        _length = (GLsizei*)(_lengthBase + _lengthBufferOffset);
+    }
+
+    _name = (GLchar*)getPointer(_env, uniformBlockName_buf, &_nameArray, &_nameRemaining, &_nameBufferOffset);
+    if (_name == NULL) {
+        GLchar* _nameBase = (GLchar*)_env->GetPrimitiveArrayCritical(_nameArray, (jboolean*)0);
+        _name = (GLchar*)(_nameBase + _nameBufferOffset);
+    }
+
+    glGetActiveUniformBlockName(
+        (GLuint)program,
+        (GLuint)uniformBlockIndex,
+        (GLsizei)_nameRemaining,
+        _length, _name
+    );
+    if (_nameArray) {
+        releasePointer(_env, _nameArray, _name, JNI_TRUE);
+    }
+    if (_lengthArray) {
+        releasePointer(_env, _lengthArray, _length, JNI_TRUE);
+    }
+}
+
+/* void glGetActiveUniformBlockName ( GLuint program, GLuint uniformBlockIndex, GLsizei bufSize, GLsizei *length, GLchar *uniformBlockName ) */
+static jstring
+android_glGetActiveUniformBlockName_II
+    (JNIEnv *_env, jobject _this, jint program, jint uniformBlockIndex) {
+    GLint len = 0;
+    glGetActiveUniformBlockiv((GLuint)program, (GLuint)uniformBlockIndex,
+            GL_UNIFORM_BLOCK_NAME_LENGTH, &len);
+    GLchar* name = (GLchar*)malloc(len);
+    glGetActiveUniformBlockName((GLuint)program, (GLuint)uniformBlockIndex,
+        len, NULL, name);
+    jstring result = _env->NewStringUTF(name);
+    free(name);
+    return result;
+}
+
diff --git a/opengl/tools/glgen/stubs/gles11/glGetActiveUniformBlockName.java b/opengl/tools/glgen/stubs/gles11/glGetActiveUniformBlockName.java
new file mode 100644
index 0000000..3d9ed0f
--- /dev/null
+++ b/opengl/tools/glgen/stubs/gles11/glGetActiveUniformBlockName.java
@@ -0,0 +1,28 @@
+    // C function void glGetActiveUniformBlockName ( GLuint program, GLuint uniformBlockIndex, GLsizei bufSize, GLsizei *length, GLchar *uniformBlockName )
+
+    public static native void glGetActiveUniformBlockName(
+        int program,
+        int uniformBlockIndex,
+        int bufSize,
+        int[] length,
+        int lengthOffset,
+        byte[] uniformBlockName,
+        int uniformBlockNameOffset
+    );
+
+    // C function void glGetActiveUniformBlockName ( GLuint program, GLuint uniformBlockIndex, GLsizei bufSize, GLsizei *length, GLchar *uniformBlockName )
+
+    public static native void glGetActiveUniformBlockName(
+        int program,
+        int uniformBlockIndex,
+        java.nio.Buffer length,
+        java.nio.Buffer uniformBlockName
+    );
+
+    // C function void glGetActiveUniformBlockName ( GLuint program, GLuint uniformBlockIndex, GLsizei bufSize, GLsizei *length, GLchar *uniformBlockName )
+
+    public static native String glGetActiveUniformBlockName(
+        int program,
+        int uniformBlockIndex
+    );
+
diff --git a/opengl/tools/glgen/stubs/gles11/glGetActiveUniformBlockName.nativeReg b/opengl/tools/glgen/stubs/gles11/glGetActiveUniformBlockName.nativeReg
new file mode 100644
index 0000000..fb37689
--- /dev/null
+++ b/opengl/tools/glgen/stubs/gles11/glGetActiveUniformBlockName.nativeReg
@@ -0,0 +1,3 @@
+{"glGetActiveUniformBlockName", "(III[II[BI)V", (void *) android_glGetActiveUniformBlockName_III_3II_3BI },
+{"glGetActiveUniformBlockName", "(IILjava/nio/Buffer;Ljava/nio/Buffer;)V", (void *) android_glGetActiveUniformBlockName_IILjava_nio_Buffer_2Ljava_nio_Buffer_2 },
+{"glGetActiveUniformBlockName", "(II)Ljava/lang/String;", (void *) android_glGetActiveUniformBlockName_II },
\ No newline at end of file