Enable MRT support by exposing glDrawBuffersEXT to the application.

TRAC #22710 Signed-off-by: Geoff Lang Signed-off-by: Shannon Woods Author: Jamie Madill git-svn-id: https://angleproject.googlecode.com/svn/branches/dx11proto@2031 736b8ea6-26fd-11df-bfd4-992fa37f6226

Enable MRT support by exposing glDrawBuffersEXT to the application.
42767a03 · shannon.woods%transgaming.com@gtempaccount.com · acf735f5 · 42767a03 · 42767a03 · 42767a03
Commit 42767a03 authored Mar 23, 2013 by shannon.woods%transgaming.com@gtempaccount.com
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Context.cpp src/libGLESv2/Context.cpp +5 -0

libGLESv2.cpp src/libGLESv2/libGLESv2.cpp +1 -0

libGLESv2.def src/libGLESv2/libGLESv2.def +1 -0

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--- a/src/libGLESv2/Context.cpp
+++ b/src/libGLESv2/Context.cpp
@@ -2576,6 +2576,11 @@ void Context::initExtensionString()
        extensionString += "GL_EXT_texture_format_BGRA8888 ";
    }
+    if (mRenderer->getMaxRenderTargets() > 1)
+    {
+        extensionString += "GL_EXT_draw_buffers ";
+    }
    extensionString += "GL_EXT_texture_storage ";
    // ANGLE-specific extensions

--- a/src/libGLESv2/libGLESv2.cpp
+++ b/src/libGLESv2/libGLESv2.cpp
@@ -7049,6 +7049,7 @@ __eglMustCastToProperFunctionPointerType __stdcall glGetProcAddress(const char *
        {"glEndQueryEXT", (__eglMustCastToProperFunctionPointerType)glEndQueryEXT},
        {"glGetQueryivEXT", (__eglMustCastToProperFunctionPointerType)glGetQueryivEXT},
        {"glGetQueryObjectuivEXT", (__eglMustCastToProperFunctionPointerType)glGetQueryObjectuivEXT},
+        {"glDrawBuffersEXT", (__eglMustCastToProperFunctionPointerType)glDrawBuffersEXT},
        {"glVertexAttribDivisorANGLE", (__eglMustCastToProperFunctionPointerType)glVertexAttribDivisorANGLE},
        {"glDrawArraysInstancedANGLE", (__eglMustCastToProperFunctionPointerType)glDrawArraysInstancedANGLE},
        {"glDrawElementsInstancedANGLE", (__eglMustCastToProperFunctionPointerType)glDrawElementsInstancedANGLE},

--- a/src/libGLESv2/libGLESv2.def
+++ b/src/libGLESv2/libGLESv2.def
@@ -172,6 +172,7 @@ EXPORTS
    glDrawElementsInstancedANGLE    @174
    glProgramBinaryOES              @175
    glGetProgramBinaryOES           @176
+    glDrawBuffersEXT                @179
    ; EGL dependencies
    glCreateContext                 @144 NONAME