Complete I/O block GLSL tests

The tests meant to perform a draw call and validate the correctness of the shaders. Bug: angleproject:3580 Change-Id: I3a008d204ae3d7dceb731ba7a815ab54f38c2920 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2599938Reviewed-by: Jonah Ryan-Davis <jonahr@google.com> Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org>

Complete I/O block GLSL tests
973bd4ba · Shahbaz Youssefi · Commit Bot · aff17499 · 973bd4ba
Commit 973bd4ba authored Dec 21, 2020 by Shahbaz Youssefi Committed by Commit Bot Jan 05, 2021
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GLSLTest.cpp src/tests/gl_tests/GLSLTest.cpp +24 -0

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--- a/src/tests/gl_tests/GLSLTest.cpp
+++ b/src/tests/gl_tests/GLSLTest.cpp
@@ -9012,6 +9012,18 @@ void main()

    ANGLE_GL_PROGRAM_WITH_GS(program, kVS, kGS, kFS);
    EXPECT_GL_NO_ERROR();
+
+    GLTexture color;
+    glBindTexture(GL_TEXTURE_2D, color);
+    glTexStorage2D(GL_TEXTURE_2D, 1, GL_RGBA8, 1, 1);
+
+    GLFramebuffer fbo;
+    glBindFramebuffer(GL_FRAMEBUFFER, fbo);
+    glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, color, 0);
+
+    drawQuad(program, "position", 0);
+
+    EXPECT_PIXEL_COLOR_EQ(0, 0, GLColor::white);
 }

 // Test varying packing in presence of multiple I/O blocks
@@ -9081,6 +9093,18 @@ void main()

    ANGLE_GL_PROGRAM(program, kVS, kFS);
    EXPECT_GL_NO_ERROR();
+
+    GLTexture color;
+    glBindTexture(GL_TEXTURE_2D, color);
+    glTexStorage2D(GL_TEXTURE_2D, 1, GL_RGBA8, 1, 1);
+
+    GLFramebuffer fbo;
+    glBindFramebuffer(GL_FRAMEBUFFER, fbo);
+    glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, color, 0);
+
+    drawQuad(program, "position", 0);
+
+    EXPECT_PIXEL_COLOR_EQ(0, 0, GLColor::white);
 }

 // Validate that link fails with I/O block member name mismatches.