http://bugs.freedesktop.org/show_bug.cgi?id=23400
Summary: ogl conformance test - api-color segement fault error,
patch for funcion is_interleaved_arrays is attached
Product: Mesa
Version: unspecified
Platform: x86 (IA32)
OS/Version: Linux (All)
Status: NEW
Severity: normal
Priority: medium
Component: Mesa core
AssignedTo: mesa3d-dev@lists.sourceforge.net
ReportedBy: fei.ji...@intel.com
Created an attachment (id=28770)
--> (http://bugs.freedesktop.org/attachment.cgi?id=28770)
patch_for_is_interleaved_arrays
When I tried to resolve a ogl conformance test ”api-color” issue, I found
is_interleaved_arrays function need a small change, patched is attached.
In the following case, vertex array is not living in a VBO, while color array
is living in a VBO, and their stride is same. It is not a interleaved array,
but function is_interleaved_arrays will return GL_TRUE.
I add “abs(arrays[mesaAttr]->Ptr - firstAddr) > firstStride” conditional
statement for that case.
glVertexPointer (2, GL_FLOAT, 0, vbuf);
glEnableClientState (GL_VERTEX_ARRAY);
……
glGenBuffersARB(2, array_id);
glBindBufferARB(GL_ARRAY_BUFFER_ARB, array_id[0]);
glColorPointer (attr[apiType].dim, attr[apiType].type, stride, 0);
glEnableClientState (GL_COLOR_ARRAY);
glBufferDataARB(GL_ARRAY_BUFFER_ARB, MAX_STRIDE * 4 * sizeof(char), cbuf,
GL_STATIC_DRAW_ARB);
……
glDrawArrays (GL_QUAD_STRIP, 0, 4);
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