On 06/30/2016 09:57 AM, Marek Olšák wrote:
From: Marek Olšák <[email protected]>The first case had had the change already, but lacked an explanation. See the OpenGL 4.5 Core spec, section 14.5.1, figure 14.2, page 450. --- tests/glean/tfbo.cpp | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/tests/glean/tfbo.cpp b/tests/glean/tfbo.cpp index eb66af4..3662d5d 100644 --- a/tests/glean/tfbo.cpp +++ b/tests/glean/tfbo.cpp @@ -607,6 +607,8 @@ FBOTest::testRender2SingleTexture(void) case GL_TEXTURE_1D: glBegin(GL_LINES); glVertex3f(TEXSIZE / 4, 0.5, 0.3); + /* + 0.25 pixels because the last line pixel + * isn't drawn according to the GL spec */ glVertex3f(TEXSIZE * 5 / 8 + 0.25, 0.5, 0.3); glEnd(); break; @@ -637,7 +639,9 @@ FBOTest::testRender2SingleTexture(void) case GL_TEXTURE_1D: glBegin(GL_LINES); glVertex3f(TEXSIZE / 2, 0.5, 0.3); - glVertex3f(TEXSIZE * 7 / 8, 0.5, 0.3); + /* + 0.25 pixels because the last line pixel + * isn't drawn according to the GL spec */ + glVertex3f(TEXSIZE * 7 / 8 + 0.25, 0.5, 0.3); glEnd(); break; case GL_TEXTURE_2D: @@ -668,7 +672,9 @@ FBOTest::testRender2SingleTexture(void) case GL_TEXTURE_1D: glBegin(GL_LINES); glVertex3f(0, 0.5, 0.2); - glVertex3f(TEXSIZE, 0.5, 0.2); + /* + 0.25 pixels because the last line pixel + * isn't drawn according to the GL spec */ + glVertex3f(TEXSIZE + 0.25, 0.5, 0.2); glEnd(); break; case GL_TEXTURE_2D:
Reviewed-by: Brian Paul <[email protected]> _______________________________________________ Piglit mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/piglit
