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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /gfx/angle/src/tests/gl_tests/PBOExtensionTest.cpp
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'gfx/angle/src/tests/gl_tests/PBOExtensionTest.cpp')
-rwxr-xr-xgfx/angle/src/tests/gl_tests/PBOExtensionTest.cpp153
1 files changed, 153 insertions, 0 deletions
diff --git a/gfx/angle/src/tests/gl_tests/PBOExtensionTest.cpp b/gfx/angle/src/tests/gl_tests/PBOExtensionTest.cpp
new file mode 100755
index 000000000..f0c0bd393
--- /dev/null
+++ b/gfx/angle/src/tests/gl_tests/PBOExtensionTest.cpp
@@ -0,0 +1,153 @@
+//
+// Copyright 2015 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#include "test_utils/ANGLETest.h"
+
+using namespace angle;
+
+class PBOExtensionTest : public ANGLETest
+{
+ protected:
+ PBOExtensionTest()
+ {
+ setWindowWidth(32);
+ setWindowHeight(32);
+ setConfigRedBits(8);
+ setConfigGreenBits(8);
+ setConfigBlueBits(8);
+ setConfigAlphaBits(8);
+ }
+
+ virtual void SetUp()
+ {
+ ANGLETest::SetUp();
+
+ if (extensionEnabled("NV_pixel_buffer_object"))
+ {
+ glGenBuffers(1, &mPBO);
+ glBindBuffer(GL_PIXEL_PACK_BUFFER, mPBO);
+ glBufferData(GL_PIXEL_PACK_BUFFER, 4 * getWindowWidth() * getWindowHeight(), NULL, GL_STATIC_DRAW);
+ glBindBuffer(GL_PIXEL_PACK_BUFFER, 0);
+
+ const char *vertexShaderSrc = SHADER_SOURCE
+ (
+ attribute vec4 aTest;
+ attribute vec2 aPosition;
+ varying vec4 vTest;
+
+ void main()
+ {
+ vTest = aTest;
+ gl_Position = vec4(aPosition, 0.0, 1.0);
+ gl_PointSize = 1.0;
+ }
+ );
+
+ const char *fragmentShaderSrc = SHADER_SOURCE
+ (
+ precision mediump float;
+ varying vec4 vTest;
+
+ void main()
+ {
+ gl_FragColor = vTest;
+ }
+ );
+
+ mProgram = CompileProgram(vertexShaderSrc, fragmentShaderSrc);
+
+ glGenBuffers(1, &mPositionVBO);
+ glBindBuffer(GL_ARRAY_BUFFER, mPositionVBO);
+ glBufferData(GL_ARRAY_BUFFER, 128, NULL, GL_DYNAMIC_DRAW);
+ glBindBuffer(GL_ARRAY_BUFFER, 0);
+ }
+ ASSERT_GL_NO_ERROR();
+ }
+
+ virtual void TearDown()
+ {
+ ANGLETest::TearDown();
+
+ glDeleteBuffers(1, &mPBO);
+ glDeleteProgram(mProgram);
+ }
+
+ GLuint mPBO;
+ GLuint mProgram;
+ GLuint mPositionVBO;
+};
+
+TEST_P(PBOExtensionTest, PBOWithOtherTarget)
+{
+ if (extensionEnabled("NV_pixel_buffer_object"))
+ {
+ glClearColor(1.0f, 0.0f, 0.0f, 1.0f);
+ glClear(GL_COLOR_BUFFER_BIT);
+ EXPECT_GL_NO_ERROR();
+
+ glBindBuffer(GL_PIXEL_PACK_BUFFER, mPBO);
+ glReadPixels(0, 0, 16, 16, GL_RGBA, GL_UNSIGNED_BYTE, 0);
+
+ glBindBuffer(GL_PIXEL_PACK_BUFFER, 0);
+ glBindBuffer(GL_ARRAY_BUFFER, mPBO);
+
+ GLvoid *mappedPtr = glMapBufferRangeEXT(GL_ARRAY_BUFFER, 0, 32, GL_MAP_READ_BIT);
+ unsigned char *dataPtr = static_cast<unsigned char *>(mappedPtr);
+ EXPECT_GL_NO_ERROR();
+
+ EXPECT_EQ(255, dataPtr[0]);
+ EXPECT_EQ(0, dataPtr[1]);
+ EXPECT_EQ(0, dataPtr[2]);
+ EXPECT_EQ(255, dataPtr[3]);
+
+ glUnmapBufferOES(GL_ARRAY_BUFFER);
+ }
+ EXPECT_GL_NO_ERROR();
+}
+
+TEST_P(PBOExtensionTest, PBOWithExistingData)
+{
+ if (extensionEnabled("NV_pixel_buffer_object"))
+ {
+ // Clear backbuffer to red
+ glClearColor(1.0f, 0.0f, 0.0f, 1.0f);
+ glClear(GL_COLOR_BUFFER_BIT);
+ EXPECT_GL_NO_ERROR();
+
+ // Read 16x16 region from red backbuffer to PBO
+ glBindBuffer(GL_PIXEL_PACK_BUFFER, mPBO);
+ glReadPixels(0, 0, 16, 16, GL_RGBA, GL_UNSIGNED_BYTE, 0);
+
+ // Clear backbuffer to green
+ glClearColor(0.0f, 1.0f, 0.0f, 1.0f);
+ glClear(GL_COLOR_BUFFER_BIT);
+ EXPECT_GL_NO_ERROR();
+
+ // Read 16x16 region from green backbuffer to PBO at offset 16
+ glReadPixels(0, 0, 16, 16, GL_RGBA, GL_UNSIGNED_BYTE, reinterpret_cast<GLvoid*>(16));
+ GLvoid * mappedPtr = glMapBufferRangeEXT(GL_PIXEL_PACK_BUFFER, 0, 32, GL_MAP_READ_BIT);
+ unsigned char *dataPtr = static_cast<unsigned char *>(mappedPtr);
+ EXPECT_GL_NO_ERROR();
+
+ // Test pixel 0 is red (existing data)
+ EXPECT_EQ(255, dataPtr[0]);
+ EXPECT_EQ(0, dataPtr[1]);
+ EXPECT_EQ(0, dataPtr[2]);
+ EXPECT_EQ(255, dataPtr[3]);
+
+ // Test pixel 16 is green (new data)
+ EXPECT_EQ(0, dataPtr[16 * 4 + 0]);
+ EXPECT_EQ(255, dataPtr[16 * 4 + 1]);
+ EXPECT_EQ(0, dataPtr[16 * 4 + 2]);
+ EXPECT_EQ(255, dataPtr[16 * 4 + 3]);
+
+ glUnmapBufferOES(GL_PIXEL_PACK_BUFFER);
+ }
+ EXPECT_GL_NO_ERROR();
+}
+
+// Use this to select which configurations (e.g. which renderer, which GLES major version) these tests should be run against.
+ANGLE_INSTANTIATE_TEST(PBOExtensionTest, ES2_D3D11(), ES3_D3D11(), ES3_OPENGL(), ES3_OPENGLES());