2010-06-11 Zhenyao Mo <zmo@google.com>

2010-06-11  Zhenyao Mo  <zmo@google.com>

        Reviewed by Dimitri Glazkov.

        drawElements/drawArrays should validate input parameters according to GLES2 spec
        https://bugs.webkit.org/show_bug.cgi?id=38700

        * fast/canvas/webgl/draw-arrays-out-of-bounds-expected.txt: Copied from LayoutTests/fast/canvas/webgl/drawArraysOutOfBounds-expected.txt, and fix a few test cases.
        * fast/canvas/webgl/draw-arrays-out-of-bounds.html: Copied from LayoutTests/fast/canvas/webgl/drawArraysOutOfBounds.html, and fix a few test cases.
        * fast/canvas/webgl/draw-elements-out-of-bounds-expected.txt: Copied from LayoutTests/fast/canvas/webgl/drawElementssOutOfBounds-expected.txt, and fix a few test cases.
        * fast/canvas/webgl/draw-elements-out-of-bounds.html: Copied from LayoutTests/fast/canvas/webgl/drawElementssOutOfBounds.html, and fix a few test cases.
        * fast/canvas/webgl/drawArraysOutOfBounds-expected.txt: Removed.
        * fast/canvas/webgl/drawArraysOutOfBounds.html: Removed.
        * fast/canvas/webgl/drawElementssOutOfBounds-expected.txt: Removed.
        * fast/canvas/webgl/drawElementssOutOfBounds.html: Removed.
        * fast/canvas/webgl/resources/webgl-test.js: Add helper functions for easy test of gl function errors.
        (getGLErrorAsString):
        (shouldGenerateGLError):
2010-06-11  Zhenyao Mo  <zmo@google.com>

        Reviewed by Dimitri Glazkov.

        drawElements/drawArrays should validate input parameters according to GLES2 spec
        https://bugs.webkit.org/show_bug.cgi?id=38700

        Tests: fast/canvas/webgl/draw-arrays-out-of-bounds.html
               fast/canvas/webgl/draw-elements-out-of-bounds.html

        * html/canvas/WebGLRenderingContext.cpp:
        (WebCore::WebGLRenderingContext::drawArrays): Validate input parameters.
        (WebCore::WebGLRenderingContext::drawElements): Ditto.
        (WebCore::WebGLRenderingContext::validateDrawMode): Validate mode for draw{Arrays/Elements}.
        * html/canvas/WebGLRenderingContext.h: Add validateDrawMode, fix incorrect parameter types.
        * html/canvas/WebGLRenderingContext.idl: Fix incorrect parameter types.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@61017 268f45cc-cd09-0410-ab3c-d52691b4dbfc