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31 <meta charset="utf-8">
32 <title>WebGL gl calls Conformance Tests</title>
33 <link rel="stylesheet" href="../../resources/js-test-style.css"/>
34 <script src="../../resources/js-test-pre.js"></script>
35 <script src="../resources/webgl-test-utils.js"></script>
38 <div id="description"></div>
39 <div id="console"></div>
40 <canvas id="canvas" width="2" height="2"> </canvas>
43 description("This test ensures basic functionality of the underlying graphics library");
46 debug("Canvas.getContext");
48 var minimumRequiredStencilMask = 0;
49 var wtu = WebGLTestUtils;
50 var context = wtu.create3DContext("canvas");
52 testFailed("context does not exist");
54 testPassed("context exists");
57 debug("Context contains getError");
58 if ("getError" in context)
59 testPassed("context contains getError");
61 testFailed("context does not contains getError");
64 debug("Check default values");
65 shouldBe('context.getParameter(context.ACTIVE_TEXTURE)', 'context.TEXTURE0');
66 shouldBe('(context.getParameter(context.ALIASED_LINE_WIDTH_RANGE)[0] <= 1) && (context.getParameter(context.ALIASED_LINE_WIDTH_RANGE)[0] > 0) && (context.getParameter(context.ALIASED_LINE_WIDTH_RANGE)[1] >= 1)', 'true');
67 shouldBe('(context.getParameter(context.ALIASED_POINT_SIZE_RANGE)[0] <= 1) && (context.getParameter(context.ALIASED_POINT_SIZE_RANGE)[0] > 0) && (context.getParameter(context.ALIASED_POINT_SIZE_RANGE)[1] >= 1)', 'true');
68 shouldBeType('context.getParameter(context.ALIASED_LINE_WIDTH_RANGE)', 'Float32Array');
69 shouldBeType('context.getParameter(context.ALIASED_POINT_SIZE_RANGE)', 'Float32Array');
70 shouldBe('context.getParameter(context.ARRAY_BUFFER_BINDING)', 'null');
71 shouldBe('context.getParameter(context.BLEND)', 'false');
72 shouldBe('context.getParameter(context.BLEND_COLOR)', '[0, 0, 0, 0]');
73 shouldBeType('context.getParameter(context.BLEND_COLOR)', 'Float32Array');
74 shouldBe('context.getParameter(context.BLEND_DST_ALPHA)', '0');
75 shouldBe('context.getParameter(context.BLEND_DST_RGB)', '0');
76 shouldBe('context.getParameter(context.BLEND_EQUATION_ALPHA)', 'context.FUNC_ADD');
77 shouldBe('context.getParameter(context.BLEND_EQUATION_RGB)', 'context.FUNC_ADD');
78 shouldBe('context.getParameter(context.BLEND_SRC_ALPHA)', '1');
79 shouldBe('context.getParameter(context.BLEND_SRC_RGB)', '1');
80 shouldBe('context.getParameter(context.COLOR_CLEAR_VALUE)', '[0, 0, 0, 0]');
81 shouldBeType('context.getParameter(context.COLOR_CLEAR_VALUE)', 'Float32Array');
82 shouldBe('context.getParameter(context.COLOR_WRITEMASK)', '[true, true, true, true]');
83 shouldBeType('context.getParameter(context.COMPRESSED_TEXTURE_FORMATS)', 'Uint32Array');
84 shouldBe('context.getParameter(context.CULL_FACE)', 'false');
85 shouldBe('context.getParameter(context.CULL_FACE_MODE)', 'context.BACK');
86 shouldBe('context.getParameter(context.CURRENT_PROGRAM)', 'null');
87 shouldBe('context.getParameter(context.DEPTH_CLEAR_VALUE)', '1');
88 shouldBe('context.getParameter(context.DEPTH_FUNC)', 'context.LESS');
89 shouldBe('context.getParameter(context.DEPTH_RANGE)', '[0, 1]');
90 shouldBeType('context.getParameter(context.DEPTH_RANGE)', 'Float32Array');
91 shouldBe('context.getParameter(context.DEPTH_TEST)', 'false');
92 shouldBe('context.getParameter(context.DEPTH_WRITEMASK)', 'true');
93 shouldBe('context.getParameter(context.DITHER)', 'true');
94 shouldBe('context.getParameter(context.ELEMENT_ARRAY_BUFFER_BINDING)', 'null');
95 shouldBe('context.getParameter(context.FRONT_FACE)', 'context.CCW');
96 shouldBe('context.getParameter(context.GENERATE_MIPMAP_HINT)', 'context.DONT_CARE');
97 shouldBe('context.getParameter(context.LINE_WIDTH)', '1');
98 shouldBe('context.getParameter(context.PACK_ALIGNMENT)', '4');
99 shouldBe('context.getParameter(context.POLYGON_OFFSET_FACTOR)', '0');
100 shouldBe('context.getParameter(context.POLYGON_OFFSET_FILL)', 'false');
101 shouldBe('context.getParameter(context.POLYGON_OFFSET_UNITS)', '0');
102 shouldBe('context.getParameter(context.RENDERBUFFER_BINDING)', 'null');
103 shouldBe('context.getParameter(context.SAMPLE_COVERAGE_INVERT)', 'false');
104 shouldBe('context.getParameter(context.SAMPLE_COVERAGE_VALUE)', '1');
105 shouldBe('context.getParameter(context.SCISSOR_BOX)[0]', '0');
106 shouldBe('context.getParameter(context.SCISSOR_BOX)[1]', '0');
107 shouldBe('context.getParameter(context.SCISSOR_BOX)[2]', 'context.getParameter(context.VIEWPORT)[2]');
108 shouldBe('context.getParameter(context.SCISSOR_BOX)[3]', 'context.getParameter(context.VIEWPORT)[3]');
109 shouldBeType('context.getParameter(context.SCISSOR_BOX)', Int32Array);
110 shouldBe('context.getParameter(context.SCISSOR_TEST)', 'false');
111 shouldBe('context.getParameter(context.STENCIL_BACK_FAIL)', 'context.KEEP');
112 shouldBe('context.getParameter(context.STENCIL_BACK_FUNC)', 'context.ALWAYS');
113 shouldBe('context.getParameter(context.STENCIL_BACK_PASS_DEPTH_FAIL)', 'context.KEEP');
114 shouldBe('context.getParameter(context.STENCIL_BACK_PASS_DEPTH_PASS)', 'context.KEEP');
115 shouldBe('context.getParameter(context.STENCIL_BACK_REF)', '0');
117 // WebGL 1.0.2 - 5.14.3 types / ES 2.0.25 - 6.2 State tables - 6.18 page 152
118 shouldBeType('context.getParameter(context.SUBPIXEL_BITS)', 'Number');
119 shouldBeGreaterThanOrEqual('context.getParameter(context.SUBPIXEL_BITS)', '4');
121 shouldBeType('context.getParameter(context.SAMPLE_BUFFERS)', 'Number');
122 shouldBeGreaterThanOrEqual('context.getParameter(context.SAMPLE_BUFFERS)', '0');
124 shouldBeType('context.getParameter(context.SAMPLES)', 'Number');
125 shouldBeGreaterThanOrEqual('context.getParameter(context.SAMPLES)', '0');
127 shouldBeType('context.getParameter(context.DEPTH_BITS)', 'Number');
128 shouldBeGreaterThanOrEqual('context.getParameter(context.DEPTH_BITS)', '0');
129 shouldBeType('context.getParameter(context.RED_BITS)', 'Number');
130 shouldBeGreaterThanOrEqual('context.getParameter(context.RED_BITS)', '0');
131 shouldBeType('context.getParameter(context.GREEN_BITS)', 'Number');
132 shouldBeGreaterThanOrEqual('context.getParameter(context.GREEN_BITS)', '0');
133 shouldBeType('context.getParameter(context.BLUE_BITS)', 'Number');
134 shouldBeGreaterThanOrEqual('context.getParameter(context.BLUE_BITS)', '0');
135 shouldBeType('context.getParameter(context.ALPHA_BITS)', 'Number');
136 shouldBeGreaterThanOrEqual('context.getParameter(context.ALPHA_BITS)', '0');
137 shouldBeType('context.getParameter(context.STENCIL_BITS)', 'Number');
139 var stencilBits = context.getParameter(context.STENCIL_BITS);
140 minimumRequiredStencilMask = (1 << stencilBits) - 1;
142 shouldBe('context.getParameter(context.STENCIL_BACK_VALUE_MASK) & minimumRequiredStencilMask', 'minimumRequiredStencilMask');
143 shouldBe('context.getParameter(context.STENCIL_BACK_WRITEMASK) & minimumRequiredStencilMask', 'minimumRequiredStencilMask');
145 // If EXT_packed_depth_stencil is supported, STENCIL_BITS > 0; otherwise, STENCIL_BITS == 0.
146 shouldBe('context.getParameter(context.STENCIL_BITS) >= 0', 'true');
147 shouldBe('context.getParameter(context.STENCIL_CLEAR_VALUE)', '0');
148 shouldBe('context.getParameter(context.STENCIL_FAIL)', 'context.KEEP');
149 shouldBe('context.getParameter(context.STENCIL_FUNC)', 'context.ALWAYS');
150 shouldBe('context.getParameter(context.STENCIL_PASS_DEPTH_FAIL)', 'context.KEEP');
151 shouldBe('context.getParameter(context.STENCIL_PASS_DEPTH_PASS)', 'context.KEEP');
152 shouldBe('context.getParameter(context.STENCIL_REF)', '0');
153 shouldBe('context.getParameter(context.STENCIL_TEST)', 'false');
155 shouldBe('context.getParameter(context.STENCIL_VALUE_MASK) & minimumRequiredStencilMask', 'minimumRequiredStencilMask');
156 shouldBe('context.getParameter(context.STENCIL_WRITEMASK) & minimumRequiredStencilMask', 'minimumRequiredStencilMask');
158 shouldBe('context.getParameter(context.TEXTURE_BINDING_2D)', 'null');
159 shouldBe('context.getParameter(context.TEXTURE_BINDING_CUBE_MAP)', 'null');
160 shouldBe('context.getParameter(context.UNPACK_ALIGNMENT)', '4');
161 shouldBe('context.getParameter(context.UNPACK_FLIP_Y_WEBGL)', 'false');
162 shouldBe('context.getParameter(context.UNPACK_PREMULTIPLY_ALPHA_WEBGL)', 'false');
163 shouldBe('context.getParameter(context.VIEWPORT)', '[0, 0, 2, 2]');
164 shouldBeType('context.getParameter(context.VIEWPORT)', 'Int32Array');
166 shouldBeGreaterThanOrEqual('context.getParameter(context.MAX_COMBINED_TEXTURE_IMAGE_UNITS)', '8');
167 shouldBeGreaterThanOrEqual('context.getParameter(context.MAX_CUBE_MAP_TEXTURE_SIZE)', '16');
168 shouldBeGreaterThanOrEqual('context.getParameter(context.MAX_FRAGMENT_UNIFORM_VECTORS)', '16');
169 shouldBeGreaterThanOrEqual('context.getParameter(context.MAX_RENDERBUFFER_SIZE)', '1');
170 shouldBeGreaterThanOrEqual('context.getParameter(context.MAX_TEXTURE_IMAGE_UNITS)', '8');
171 shouldBeGreaterThanOrEqual('context.getParameter(context.MAX_TEXTURE_SIZE)', '64');
172 shouldBeGreaterThanOrEqual('context.getParameter(context.MAX_VARYING_VECTORS)', '8');
173 shouldBeGreaterThanOrEqual('context.getParameter(context.MAX_VERTEX_ATTRIBS)', '8');
174 shouldBeGreaterThanOrEqual('context.getParameter(context.MAX_VERTEX_TEXTURE_IMAGE_UNITS)', '0');
175 shouldBeGreaterThanOrEqual('context.getParameter(context.MAX_VERTEX_UNIFORM_VECTORS)', '128');
176 // Note: This requirement should be removed from the spec IMO. Many impelementations
177 // will be based on FBOs and FBOs might have a restriction smaller than the current screen size.
178 // especially if there are multiple screens.
179 shouldBeTrue('context.getParameter(context.MAX_VIEWPORT_DIMS)[0] >= window.screen.width');
180 shouldBeTrue('context.getParameter(context.MAX_VIEWPORT_DIMS)[1] >= window.screen.height');
181 shouldBeType('context.getParameter(context.MAX_VIEWPORT_DIMS)', 'Int32Array');
184 debug("check texture values");
185 var maxTextures = context.getParameter(context.MAX_TEXTURE_IMAGE_UNITS);
186 for (var ii = 0; ii < maxTextures; ++ii) {
187 context.activeTexture(context.TEXTURE0 + ii);
188 debug("check texture unit: " + ii);
189 shouldBe('context.getParameter(context.TEXTURE_BINDING_2D)', 'null');
190 shouldBe('context.getParameter(context.TEXTURE_BINDING_CUBE_MAP)', 'null');
194 debug("check attrib values");
195 var maxAttribs = context.getParameter(context.MAX_VERTEX_ATTRIBS);
196 for (var ii = 0; ii < maxAttribs; ++ii) {
197 debug("check attrib: " + ii);
198 shouldBe('context.getVertexAttrib(ii, context.VERTEX_ATTRIB_ARRAY_BUFFER_BINDING)', 'null');
199 shouldBe('context.getVertexAttrib(ii, context.VERTEX_ATTRIB_ARRAY_ENABLED)', 'false');
200 shouldBe('context.getVertexAttrib(ii, context.VERTEX_ATTRIB_ARRAY_SIZE)', '4');
201 shouldBe('context.getVertexAttrib(ii, context.VERTEX_ATTRIB_ARRAY_STRIDE)', '0');
202 shouldBe('context.getVertexAttrib(ii, context.VERTEX_ATTRIB_ARRAY_TYPE)', 'context.FLOAT');
203 shouldBe('context.getVertexAttrib(ii, context.VERTEX_ATTRIB_ARRAY_NORMALIZED)', 'false');
204 shouldBe('context.getVertexAttrib(ii, context.CURRENT_VERTEX_ATTRIB)', '[0, 0, 0, 1]');
205 shouldBeType('context.getVertexAttrib(ii, context.CURRENT_VERTEX_ATTRIB)', 'Float32Array');
206 shouldBe('context.getVertexAttribOffset(ii, context.VERTEX_ATTRIB_ARRAY_POINTER)', '0');
209 shouldBe('context.getError()', 'context.NO_ERROR');
213 var successfullyParsed = true;
216 <script src="../../resources/js-test-post.js"></script>