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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>WebGL gl calls Conformance Tests</title>
<link rel="stylesheet" href="../../resources/js-test-style.css"/>
<script src="../../js/js-test-pre.js"></script>
<script src="../../js/webgl-test-utils.js"></script>
</head>
<body>
<div id="description"></div>
<div id="console"></div>
<canvas id="canvas" width="2" height="2"> </canvas>
<script>
"use strict";
description("This test ensures getParameter is working correct with WebGL 2 pnames");

debug("");
debug("Canvas.getContext");

var minimumRequiredStencilMask = 0;
var wtu = WebGLTestUtils;
var context = wtu.create3DContext("canvas", null, 2);
if (!context)
    testFailed("context does not exist");
else {
    testPassed("context exists");

    debug("");
    debug("Context contains getError");
    if ("getError" in context)
      testPassed("context contains getError");
    else
      testFailed("context does not contains getError");

    debug("");
    debug("Check default values");

    shouldBe('context.getParameter(context.COPY_READ_BUFFER_BINDING)', 'null');
    shouldBe('context.getParameter(context.COPY_WRITE_BUFFER_BINDING)', 'null');
    shouldBe('context.getParameter(context.DRAW_BUFFER0)', 'context.BACK');
    shouldBe('context.getParameter(context.DRAW_FRAMEBUFFER_BINDING)', 'null');
    shouldBe('context.getParameter(context.FRAGMENT_SHADER_DERIVATIVE_HINT)', 'context.DONT_CARE');
    shouldBe('context.getParameter(context.PACK_ROW_LENGTH)', '0');
    shouldBe('context.getParameter(context.PACK_SKIP_PIXELS)', '0');
    shouldBe('context.getParameter(context.PACK_SKIP_ROWS)', '0');
    shouldBe('context.getParameter(context.PIXEL_PACK_BUFFER_BINDING)', 'null');

    shouldBe('context.getParameter(context.PIXEL_UNPACK_BUFFER_BINDING)', 'null');
    shouldBe('context.getParameter(context.RASTERIZER_DISCARD)', 'false');
    shouldBe('context.getParameter(context.READ_BUFFER)', 'context.BACK');
    shouldBe('context.getParameter(context.READ_FRAMEBUFFER_BINDING)', 'null');
    shouldBe('context.getParameter(context.SAMPLE_ALPHA_TO_COVERAGE)', 'false');
    shouldBe('context.getParameter(context.SAMPLE_COVERAGE)', 'false');
    shouldBe('context.getParameter(context.SAMPLER_BINDING)', 'null');
    shouldBe('context.getParameter(context.TEXTURE_BINDING_2D_ARRAY)', 'null');
    shouldBe('context.getParameter(context.TEXTURE_BINDING_3D)', 'null');
    shouldBe('context.getParameter(context.TRANSFORM_FEEDBACK_ACTIVE)', 'false');
    shouldBe('context.getParameter(context.TRANSFORM_FEEDBACK_BINDING)', 'null');
    shouldBe('context.getParameter(context.TRANSFORM_FEEDBACK_BUFFER_BINDING)', 'null');
    shouldBe('context.getParameter(context.TRANSFORM_FEEDBACK_PAUSED)', 'false');
    shouldBe('context.getParameter(context.UNIFORM_BUFFER_BINDING)', 'null');

    shouldBe('context.getParameter(context.UNPACK_IMAGE_HEIGHT)', '0');
    shouldBe('context.getParameter(context.UNPACK_ROW_LENGTH)', '0');
    shouldBe('context.getParameter(context.UNPACK_SKIP_IMAGES)', '0');
    shouldBe('context.getParameter(context.UNPACK_SKIP_PIXELS)', '0');
    shouldBe('context.getParameter(context.UNPACK_SKIP_ROWS)', '0');
    shouldBe('context.getParameter(context.VERTEX_ARRAY_BINDING)', 'null');

    debug("");
    debug("Check minimum values");

    shouldBeGreaterThanOrEqual('context.getParameter(context.MAX_3D_TEXTURE_SIZE)', '256');
    shouldBeType('context.getParameter(context.MAX_3D_TEXTURE_SIZE)', 'Number');

    shouldBeGreaterThanOrEqual('context.getParameter(context.MAX_ARRAY_TEXTURE_LAYERS)', '256');
    shouldBeType('context.getParameter(context.MAX_ARRAY_TEXTURE_LAYERS)', 'Number');

    shouldBeGreaterThanOrEqual('context.getParameter(context.MAX_CLIENT_WAIT_TIMEOUT_WEBGL)', '0');
    shouldBeType('context.getParameter(context.MAX_CLIENT_WAIT_TIMEOUT_WEBGL)', 'Number');

    shouldBeGreaterThanOrEqual('context.getParameter(context.MAX_COLOR_ATTACHMENTS)', '4');
    shouldBeType('context.getParameter(context.MAX_COLOR_ATTACHMENTS)', 'Number');

    shouldBeGreaterThanOrEqual('context.getParameter(context.MAX_COMBINED_UNIFORM_BLOCKS)', '24');
    shouldBeType('context.getParameter(context.MAX_COMBINED_UNIFORM_BLOCKS)', 'Number');

    shouldBeGreaterThanOrEqual('context.getParameter(context.MAX_DRAW_BUFFERS)', '4');
    shouldBeType('context.getParameter(context.MAX_DRAW_BUFFERS)', 'Number');

    shouldBeGreaterThanOrEqual('context.getParameter(context.MAX_ELEMENT_INDEX)', '16777215'); // 2^24 - 1
    shouldBeType('context.getParameter(context.MAX_ELEMENT_INDEX)', 'Number');

    shouldBeType('context.getParameter(context.MAX_ELEMENTS_INDICES)', 'Number');
    shouldBeType('context.getParameter(context.MAX_ELEMENTS_VERTICES)', 'Number');

    shouldBeGreaterThanOrEqual('context.getParameter(context.MAX_FRAGMENT_INPUT_COMPONENTS)', '60');
    shouldBeType('context.getParameter(context.MAX_FRAGMENT_INPUT_COMPONENTS)', 'Number');

    shouldBeGreaterThanOrEqual('context.getParameter(context.MAX_FRAGMENT_UNIFORM_BLOCKS)', '12');
    shouldBeType('context.getParameter(context.MAX_FRAGMENT_INPUT_COMPONENTS)', 'Number');

    shouldBeGreaterThanOrEqual('context.getParameter(context.MAX_FRAGMENT_UNIFORM_COMPONENTS)', '896');
    shouldBeType('context.getParameter(context.MAX_FRAGMENT_UNIFORM_COMPONENTS)', 'Number');

    shouldBeGreaterThanOrEqual('context.getParameter(context.MAX_PROGRAM_TEXEL_OFFSET)', '7');
    shouldBeType('context.getParameter(context.MAX_PROGRAM_TEXEL_OFFSET)', 'Number');

    shouldBeGreaterThanOrEqual('context.getParameter(context.MAX_SAMPLES)', '4');
    shouldBeType('context.getParameter(context.MAX_PROGRAM_TEXEL_OFFSET)', 'Number');

    shouldBeGreaterThanOrEqual('context.getParameter(context.MAX_SERVER_WAIT_TIMEOUT)', '0');
    shouldBeType('context.getParameter(context.MAX_SERVER_WAIT_TIMEOUT)', 'Number');

    shouldBeGreaterThanOrEqual('context.getParameter(context.MAX_TEXTURE_LOD_BIAS)', '2.0');
    shouldBeType('context.getParameter(context.MAX_TEXTURE_LOD_BIAS)', 'Number');

    shouldBeGreaterThanOrEqual('context.getParameter(context.MAX_TRANSFORM_FEEDBACK_INTERLEAVED_COMPONENTS)', '64');
    shouldBeType('context.getParameter(context.MAX_TRANSFORM_FEEDBACK_INTERLEAVED_COMPONENTS)', 'Number');

    shouldBeGreaterThanOrEqual('context.getParameter(context.MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS)', '4');
    shouldBeType('context.getParameter(context.MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS)', 'Number');

    shouldBeGreaterThanOrEqual('context.getParameter(context.MAX_TRANSFORM_FEEDBACK_SEPARATE_COMPONENTS)', '4');
    shouldBeType('context.getParameter(context.MAX_TRANSFORM_FEEDBACK_SEPARATE_COMPONENTS)', 'Number');

    shouldBeGreaterThanOrEqual('context.getParameter(context.MAX_UNIFORM_BLOCK_SIZE)', '16384');
    shouldBeType('context.getParameter(context.MAX_UNIFORM_BLOCK_SIZE)', 'Number');

    shouldBeGreaterThanOrEqual('context.getParameter(context.MAX_UNIFORM_BUFFER_BINDINGS)', '24');
    shouldBeType('context.getParameter(context.MAX_UNIFORM_BUFFER_BINDINGS)', 'Number');

    shouldBeGreaterThanOrEqual('context.getParameter(context.MAX_VARYING_COMPONENTS)', '60');
    shouldBeType('context.getParameter(context.MAX_VARYING_COMPONENTS)', 'Number');

    shouldBeGreaterThanOrEqual('context.getParameter(context.MAX_VERTEX_OUTPUT_COMPONENTS)', '64');
    shouldBeType('context.getParameter(context.MAX_VERTEX_OUTPUT_COMPONENTS)', 'Number');

    shouldBeGreaterThanOrEqual('context.getParameter(context.MAX_VERTEX_UNIFORM_BLOCKS)', '12');
    shouldBeType('context.getParameter(context.MAX_VERTEX_UNIFORM_BLOCKS)', 'Number');

    shouldBeGreaterThanOrEqual('context.getParameter(context.MAX_VERTEX_UNIFORM_COMPONENTS)', '1024');
    shouldBeType('context.getParameter(context.MAX_VERTEX_UNIFORM_COMPONENTS)', 'Number');

    shouldBeLessThanOrEqual('context.getParameter(context.MIN_PROGRAM_TEXEL_OFFSET)', '-8');
    shouldBeType('context.getParameter(context.MIN_PROGRAM_TEXEL_OFFSET)', 'Number');

    shouldBeGreaterThanOrEqual('context.getParameter(context.UNIFORM_BUFFER_OFFSET_ALIGNMENT)', '1');
    shouldBeType('context.getParameter(context.UNIFORM_BUFFER_OFFSET_ALIGNMENT)', 'Number');

    var minCombinedFragmentUniformComponents = context.getParameter(context.MAX_FRAGMENT_UNIFORM_BLOCKS) * context.getParameter(context.MAX_UNIFORM_BLOCK_SIZE) / 4 + context.getParameter(context.MAX_FRAGMENT_UNIFORM_COMPONENTS);
    var minCombinedVertexUniformComponents = context.getParameter(context.MAX_VERTEX_UNIFORM_BLOCKS) * context.getParameter(context.MAX_UNIFORM_BLOCK_SIZE) / 4 + context.getParameter(context.MAX_VERTEX_UNIFORM_COMPONENTS);

    shouldBeGreaterThanOrEqual('context.getParameter(context.MAX_COMBINED_FRAGMENT_UNIFORM_COMPONENTS)', minCombinedFragmentUniformComponents + '');
    shouldBeType('context.getParameter(context.MAX_COMBINED_FRAGMENT_UNIFORM_COMPONENTS)', 'Number');

    shouldBeGreaterThanOrEqual('context.getParameter(context.MAX_COMBINED_VERTEX_UNIFORM_COMPONENTS)', minCombinedVertexUniformComponents + '');
    shouldBeType('context.getParameter(context.MAX_COMBINED_VERTEX_UNIFORM_COMPONENTS)', 'Number');

    shouldBe('context.getError()', 'context.NO_ERROR');
}

debug("");
var successfullyParsed = true;

</script>
<script src="../../js/js-test-post.js"></script>

</body>
</html>