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Move renderbuffer format extensions to draft; add tests (#3575)
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sdk/tests/conformance2/extensions/ext-render-snorm.html
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,201 @@ | ||
| <!-- | ||
| Copyright (c) 2023 The Khronos Group Inc. | ||
| Use of this source code is governed by an MIT-style license that can be | ||
| found in the LICENSE.txt file. | ||
| --> | ||
|
|
||
| <!DOCTYPE html> | ||
| <html> | ||
| <head> | ||
| <meta charset="utf-8"> | ||
| <title>WebGL EXT_render_snorm 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> | ||
| <script> | ||
| "use strict"; | ||
| description("This test verifies the functionality of the EXT_render_snorm extension, if it is available."); | ||
|
|
||
| debug(""); | ||
|
|
||
| var wtu = WebGLTestUtils; | ||
| var gl = wtu.create3DContext(null, null, 2); | ||
| var ext; | ||
|
|
||
| function createTypedArray(type) { | ||
| switch (type) { | ||
| case gl.BYTE: | ||
| return new Int8Array(4); | ||
| case gl.UNSIGNED_BYTE: | ||
| return new Uint8Array(4); | ||
| case gl.SHORT: | ||
| return new Int16Array(4); | ||
| case gl.UNSIGNED_SHORT: | ||
| return new Uint16Array(4); | ||
| default: | ||
| return null; | ||
| } | ||
| } | ||
|
|
||
| function drawTest(config) { | ||
| wtu.drawUnitQuad(gl); | ||
|
|
||
| const implementationType = gl.getParameter(gl.IMPLEMENTATION_COLOR_READ_TYPE); | ||
| const implementationFormat = gl.getParameter(gl.IMPLEMENTATION_COLOR_READ_FORMAT); | ||
|
|
||
| // Support for reading signed data with unsigned read type is not required | ||
| // but implementations may allow such conversions. Do not expect the error | ||
| // when the type matches the buffer type or when it's explicitly supported. | ||
| for (const type of [gl.BYTE, gl.UNSIGNED_BYTE, gl.SHORT, gl.UNSIGNED_SHORT]) { | ||
| if (type == config.type) continue; | ||
| if (implementationFormat != gl.RGBA || implementationType != type) { | ||
| gl.readPixels(0, 0, 1, 1, gl.RGBA, type, createTypedArray(type)); | ||
| wtu.glErrorShouldBe(gl, gl.INVALID_OPERATION, "reading with unsupported type fails"); | ||
| } | ||
| } | ||
|
|
||
| const defaultPixel = createTypedArray(config.type); | ||
| wtu.checkCanvasRect(gl, 0, 0, 1, 1, config.color, | ||
| "reading with the RGBA format and matching type", 1, | ||
| defaultPixel, | ||
| config.type, gl.RGBA); | ||
|
|
||
| if (implementationFormat == config.format && implementationType == config.type) { | ||
| const implementationPixel = createTypedArray(implementationType); | ||
| const color = [config.color[0]]; | ||
| if (config.format != gl.RED) color.push(config.color[1]); | ||
| if (config.format == gl.RGBA) color.push(config.color[2], config.color[3]); | ||
| wtu.checkCanvasRect(gl, 0, 0, 1, 1, color, | ||
| "reading with the exact format/type", 1, | ||
| implementationPixel, | ||
| implementationType, implementationFormat); | ||
| } | ||
| } | ||
|
|
||
| function renderbufferTest(config, isSupported) { | ||
| debug(""); | ||
| debug(`${config.name} renderbuffer: ` + | ||
| `${!isSupported || !config.color ? "NOT " : ""}supported`); | ||
|
|
||
| const rbo = gl.createRenderbuffer(); | ||
| gl.bindRenderbuffer(gl.RENDERBUFFER, rbo); | ||
| gl.renderbufferStorage(gl.RENDERBUFFER, config.internalFormat, 1, 1); | ||
| if (!isSupported || !config.color) { | ||
| wtu.glErrorShouldBe(gl, gl.INVALID_ENUM, "renderbuffer allocation failed"); | ||
| return; | ||
| } | ||
| wtu.glErrorShouldBe(gl, gl.NO_ERROR, "renderbuffer allocation succeeded"); | ||
|
|
||
| const fbo = gl.createFramebuffer(); | ||
| gl.bindFramebuffer(gl.FRAMEBUFFER, fbo); | ||
| gl.framebufferRenderbuffer(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, rbo); | ||
|
|
||
| wtu.framebufferStatusShouldBe(gl, gl.FRAMEBUFFER, gl.FRAMEBUFFER_COMPLETE); | ||
|
|
||
| drawTest(config); | ||
| } | ||
|
|
||
| function textureTest(config, isRenderable, isTexturable) { | ||
| debug(""); | ||
| debug(`${config.name} texture: ` + | ||
| `${!isRenderable || !config.color ? "NOT " : ""}renderable, ` + | ||
| `${!isTexturable ? "NOT " : ""}texturable`); | ||
|
|
||
| const tex = gl.createTexture(); | ||
| gl.bindTexture(gl.TEXTURE_2D, tex); | ||
| gl.texImage2D(gl.TEXTURE_2D, 0, config.internalFormat, 1, 1, 0, config.format, config.type, null); | ||
| if (!isTexturable) { | ||
| wtu.glErrorShouldBe(gl, | ||
| [gl.INVALID_ENUM, gl.INVALID_VALUE, gl.INVALID_OPERATION], | ||
| "texture allocation failed"); | ||
| return; | ||
| } | ||
| wtu.glErrorShouldBe(gl, gl.NO_ERROR, "texture allocation succeeded"); | ||
|
|
||
| const fbo = gl.createFramebuffer(); | ||
| gl.bindFramebuffer(gl.FRAMEBUFFER, fbo); | ||
| gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, tex, 0); | ||
|
|
||
| if (!isRenderable || !config.color) { | ||
| wtu.framebufferStatusShouldBe(gl, gl.FRAMEBUFFER, gl.FRAMEBUFFER_INCOMPLETE_ATTACHMENT); | ||
| return; | ||
| } | ||
| wtu.framebufferStatusShouldBe(gl, gl.FRAMEBUFFER, gl.FRAMEBUFFER_COMPLETE); | ||
|
|
||
| drawTest(config); | ||
| } | ||
|
|
||
| function formatTest(isSnormEnabled, isNorm16Enabled) { | ||
| const program = wtu.setupProgram(gl, [wtu.simpleVertexShader, | ||
| wtu.simpleColorFragmentShader]); | ||
| gl.useProgram(program); | ||
| gl.uniform4f(gl.getUniformLocation(program, "u_color"), -0.0625, -0.125, -0.25, -0.5); | ||
|
|
||
| wtu.setupUnitQuad(gl); | ||
|
|
||
| const configs8 = [ | ||
| {name: "R8_SNORM", format: gl.RED, type: gl.BYTE, internalFormat: gl.R8_SNORM, color: [-8, 0, 0, 127]}, | ||
| {name: "RG8_SNORM", format: gl.RG, type: gl.BYTE, internalFormat: gl.RG8_SNORM, color: [-8, -16, 0, 127]}, | ||
| {name: "RGB8_SNORM", format: gl.RGB, type: gl.BYTE, internalFormat: gl.RGB8_SNORM, color: null}, | ||
| {name: "RGBA8_SNORM", format: gl.RGBA, type: gl.BYTE, internalFormat: gl.RGBA8_SNORM, color: [-8, -16, -32, -64]} | ||
| ]; | ||
|
|
||
| const configs16 = [ | ||
| {name: "R16_SNORM", format: gl.RED, type: gl.SHORT, internalFormat: 0x8F98 /* R16_SNORM_EXT */, color: [-2048, 0, 0, 32767]}, | ||
| {name: "RG16_SNORM", format: gl.RG, type: gl.SHORT, internalFormat: 0x8F99 /* RG16_SNORM_EXT */, color: [-2048, -4096, 0, 32767]}, | ||
| {name: "RGB16_SNORM", format: gl.RGB, type: gl.SHORT, internalFormat: 0x8F9A /* RGB16_SNORM_EXT */, color: null}, | ||
| {name: "RGBA16_SNORM", format: gl.RGBA, type: gl.SHORT, internalFormat: 0x8F9B /* RGBA16_SNORM_EXT */, color: [-2048, -4096, -8192, -16384]} | ||
| ]; | ||
|
|
||
| for (const config of configs8) { | ||
| renderbufferTest(config, isSnormEnabled); | ||
| textureTest(config, isSnormEnabled, true); | ||
| } | ||
|
|
||
| for (const config of configs16) { | ||
| renderbufferTest(config, isSnormEnabled && isNorm16Enabled); | ||
| textureTest(config, isSnormEnabled && isNorm16Enabled, isNorm16Enabled); | ||
| } | ||
| } | ||
|
|
||
| function runTest() { | ||
| if (!gl) { | ||
| testFailed("context does not exist"); | ||
| return; | ||
| } | ||
|
|
||
| testPassed("context exists"); | ||
|
|
||
| debug(""); | ||
| debug("Testing signed normalized formats with EXT_render_snorm disabled"); | ||
| formatTest(false, false); | ||
|
|
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| ext = gl.getExtension("EXT_render_snorm"); | ||
| wtu.runExtensionSupportedTest(gl, "EXT_render_snorm", ext !== null); | ||
|
|
||
| if (ext !== null) { | ||
| debug(""); | ||
| debug("Testing signed normalized formats with only EXT_render_snorm enabled"); | ||
| formatTest(true, false); | ||
|
|
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| if (gl.getExtension("EXT_texture_norm16")) { | ||
| debug(""); | ||
| debug("Testing signed normalized formats with EXT_render_snorm and EXT_texture_norm16 enabled"); | ||
| formatTest(true, true); | ||
| } | ||
| } else { | ||
| testPassed("No EXT_render_snorm support -- this is legal"); | ||
| } | ||
| } | ||
|
|
||
| runTest(); | ||
|
|
||
| var successfullyParsed = true; | ||
| </script> | ||
| <script src="../../js/js-test-post.js"></script> | ||
| </body> | ||
| </html> |
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