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| -rw-r--r-- | dom/canvas/test/webgl-conf/checkout/conformance2/rendering/blitframebuffer-stencil-only.html | 170 |
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diff --git a/dom/canvas/test/webgl-conf/checkout/conformance2/rendering/blitframebuffer-stencil-only.html b/dom/canvas/test/webgl-conf/checkout/conformance2/rendering/blitframebuffer-stencil-only.html new file mode 100644 index 0000000000..b14acf3456 --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance2/rendering/blitframebuffer-stencil-only.html @@ -0,0 +1,170 @@ +<!-- +Copyright (c) 2019 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 BlitFramebuffer Stencil-only 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> + +<script id="vs" type="x-shader/x-vertex">#version 300 es +in vec4 position; +void main() { + gl_Position = position; +} +</script> +<script id="fs" type="x-shader/x-fragment">#version 300 es +out mediump vec4 colorOut; +uniform mediump vec3 color; +void main() { + colorOut = vec4(color, 1.0); +} +</script> + +</head> +<body> +<canvas id="example" width="8" height="8"></canvas> +<div id="description"></div> +<div id="console"></div> + +<script> +"use strict"; + +var wtu = WebGLTestUtils; +description("This test covers some edge cases of blitFramebuffer with stencil."); + +var gl = wtu.create3DContext("example", undefined, 2); + +var program, colorLoc; + +function init_buffer(format) { + var buf = gl.createFramebuffer(); + gl.bindFramebuffer(gl.FRAMEBUFFER, buf) + var tex = gl.createTexture(); + gl.bindTexture(gl.TEXTURE_2D, tex); + gl.texStorage2D(gl.TEXTURE_2D, 1, gl.RGBA8, 16, 16); + gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, tex, 0); + var rbo = gl.createRenderbuffer(); + gl.bindRenderbuffer(gl.RENDERBUFFER, rbo); + gl.renderbufferStorage(gl.RENDERBUFFER, format, 16, 16); + gl.framebufferRenderbuffer(gl.FRAMEBUFFER, + gl.DEPTH_STENCIL_ATTACHMENT, gl.RENDERBUFFER, rbo); + + gl.clearBufferfi(gl.DEPTH_STENCIL, 0, 1.0, 0); + + wtu.glErrorShouldBe(gl, gl.NO_ERROR, "after buffer init"); + shouldBe('gl.checkFramebufferStatus(gl.FRAMEBUFFER)', 'gl.FRAMEBUFFER_COMPLETE'); + + return { fbo: buf, color: tex, depthStencil: rbo }; +} + +var quadVB; + +function drawQuad(depth) { + if (!quadVB) { + quadVB = gl.createBuffer() + } + + var quadVerts = new Float32Array(3 * 6); + quadVerts[0] = -1.0; quadVerts[1] = 1.0; quadVerts[2] = depth; + quadVerts[3] = -1.0; quadVerts[4] = -1.0; quadVerts[5] = depth; + quadVerts[6] = 1.0; quadVerts[7] = -1.0; quadVerts[8] = depth; + quadVerts[9] = -1.0; quadVerts[10] = 1.0; quadVerts[11] = depth; + quadVerts[12] = 1.0; quadVerts[13] = -1.0; quadVerts[14] = depth; + quadVerts[15] = 1.0; quadVerts[16] = 1.0; quadVerts[17] = depth; + + gl.bindBuffer(gl.ARRAY_BUFFER, quadVB); + gl.bufferData(gl.ARRAY_BUFFER, quadVerts, gl.STATIC_DRAW); + gl.vertexAttribPointer(0, 3, gl.FLOAT, gl.FALSE, 0, 0); + gl.enableVertexAttribArray(0); + gl.drawArrays(gl.TRIANGLES, 0, 6); + + wtu.glErrorShouldBe(gl, gl.NO_ERROR, "after drawQuad"); +} + +// Test based on dEQP-GLES3.functional.blit.depth_stencil.depth_24_stencil8_stencil_only +function test_stencil_only_blit(format) { + debug("testing format: " + wtu.glEnumToString(gl, format)) + + var src = init_buffer(format); + var dest = init_buffer(format); + + gl.bindFramebuffer(gl.FRAMEBUFFER, src.fbo); + gl.viewport(0, 0, 16, 16); + + // Fill source with red, depth = 0.5, stencil = 7 + gl.enable(gl.DEPTH_TEST); + gl.enable(gl.STENCIL_TEST); + gl.stencilOp(gl.KEEP, gl.KEEP, gl.REPLACE); + gl.stencilFunc(gl.ALWAYS, 7, 0xFF); + gl.uniform3f(colorLoc, 1.0, 0.0, 0.0); + drawQuad(0.5); + + // Fill dest with yellow, depth = 0.0, stencil = 1 + gl.bindFramebuffer(gl.FRAMEBUFFER, dest.fbo); + gl.stencilFunc(gl.ALWAYS, 1, 0xff); + gl.uniform3f(colorLoc, 1.0, 1.0, 0.0); + drawQuad(0.0); + + // Perform copy. + gl.bindFramebuffer(gl.READ_FRAMEBUFFER, src.fbo); + gl.bindFramebuffer(gl.DRAW_FRAMEBUFFER, dest.fbo); + gl.blitFramebuffer(0, 0, 16, 16, 0, 0, 16, 16, gl.STENCIL_BUFFER_BIT, gl.NEAREST); + + // Render blue where depth < 0, decrement on depth failure. + gl.bindFramebuffer(gl.FRAMEBUFFER, dest.fbo); + gl.stencilOp(gl.KEEP, gl.DECR, gl.KEEP); + gl.stencilFunc(gl.ALWAYS, 0, 0xff); + + gl.uniform3f(colorLoc, 0.0, 0.0, 1.0); + drawQuad(0.0); + + // Render green where stencil == 6. + gl.disable(gl.DEPTH_TEST); + gl.stencilOp(gl.KEEP, gl.KEEP, gl.KEEP); + gl.stencilFunc(gl.EQUAL, 6, 0xff); + + gl.uniform3f(colorLoc, 0.0, 1.0, 0.0); + drawQuad(0.0); + + wtu.glErrorShouldBe(gl, gl.NO_ERROR, "after test"); + wtu.checkCanvasRect(gl, 0, 0, 16, 16, [0, 255, 0, 255], + "stencil test should be green"); + + gl.deleteFramebuffer(src.fbo); + gl.deleteFramebuffer(dest.fbo); + gl.deleteTexture(src.color); + gl.deleteTexture(dest.color); + gl.deleteRenderbuffer(src.depthStencil); + gl.deleteRenderbuffer(dest.depthStencil); +} + +if (!gl) { + testFailed("WebGL context does not exist"); +} else { + testPassed("WebGL context exists"); + + program = wtu.setupProgram(gl, ["vs", "fs"], ["position"]); + wtu.glErrorShouldBe(gl, gl.NO_ERROR, "after program initialization"); + shouldBe('gl.getProgramParameter(program, gl.LINK_STATUS)', 'true'); + + colorLoc = gl.getUniformLocation(program, "color") + wtu.glErrorShouldBe(gl, gl.NO_ERROR, "query uniform location"); + shouldBeNonNull('colorLoc') + + test_stencil_only_blit(gl.DEPTH24_STENCIL8); + test_stencil_only_blit(gl.DEPTH32F_STENCIL8); +} + +var successfullyParsed = true; +</script> +<script src="../../js/js-test-post.js"></script> + +</body> +</html> |