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swiftshader
Commit 1b4eb7f0 by Alexis Hetu Committed by Alexis Hétu
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Prevent mapped buffers from getting mapped again

It is an invalid operation to map an already mapped buffer. Change-Id: Iba1c2389e5ef9c3114a2415279406ac7f08a0ed6 Reviewed-on: https://swiftshader-review.googlesource.com/13750Tested-by: 's avatarAlexis Hétu <sugoi@google.com> Reviewed-by: 's avatarNicolas Capens <nicolascapens@google.com>
parent 929c6b00
Showing with 6 additions and 0 deletions
src/OpenGL/libGLESv2/libGLESv3.cpp
...@@ -1590,6 +1590,12 @@ GL_APICALL void *GL_APIENTRY glMapBufferRange(GLenum target, GLintptr offset, GL ...@@ -1590,6 +1590,12 @@ GL_APICALL void *GL_APIENTRY glMapBufferRange(GLenum target, GLintptr offset, GL
return error(GL_INVALID_OPERATION, nullptr); return error(GL_INVALID_OPERATION, nullptr);
} }
if(buffer->isMapped())
{
// It is an invalid operation to map an already mapped buffer
return error(GL_INVALID_OPERATION, nullptr);
}
GLsizeiptr bufferSize = buffer->size(); GLsizeiptr bufferSize = buffer->size();
if((offset < 0) || (length < 0) || ((offset + length) > bufferSize)) if((offset < 0) || (length < 0) || ((offset + length) > bufferSize))
{ {
......
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