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main: Fake entry point for glClearNamedFramebufferuiv.

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Mesa's ClearBuffer framework is very complicated and thoroughly married to the
object binding model.  Moreover, the OpenGL spec for ClearBuffer is also very
complicated.  At some point, we should implement buffer clearing for arbitrary
framebuffer objects, but for now, we will just wrap ClearBuffer.

Reviewed-by: Fredrik Höglund <fredrik@kde.org>
Signed-off-by: Fredrik Höglund <fredrik@kde.org>
This commit is contained in:
Laura Ekstrand 2015-02-05 13:30:50 -08:00 • committed by Fredrik Höglund
parent 6236c47799
commit 43db4b8465
4 changed files with 30 additions and 0 deletions
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7
src/mapi/glapi/gen/ARB_direct_state_access.xml
View file

@ -204,6 +204,13 @@
<param name="value" type="const GLint *" />
</function>
<function name="ClearNamedFramebufferuiv" offset="assign">
<param name="framebuffer" type="GLuint" />
<param name="buffer" type="GLenum" />
<param name="drawbuffer" type="GLint" />
<param name="value" type="const GLuint *" />
</function>
<function name="BlitNamedFramebuffer" offset="assign">
<param name="readFramebuffer" type="GLuint" />
<param name="drawFramebuffer" type="GLuint" />

18
src/mesa/main/clear.c
View file

@ -491,6 +491,24 @@ _mesa_ClearBufferuiv(GLenum buffer, GLint drawbuffer, const GLuint *value)
}
/**
* The ClearBuffer framework is so complicated and so riddled with the
* assumption that the framebuffer is bound that, for now, we will just fake
* direct state access clearing for the user.
*/
void GLAPIENTRY
_mesa_ClearNamedFramebufferuiv(GLuint framebuffer, GLenum buffer,
GLint drawbuffer, const GLuint *value)
{
GLint oldfb;
_mesa_GetIntegerv(GL_DRAW_FRAMEBUFFER_BINDING, &oldfb);
_mesa_BindFramebuffer(GL_DRAW_FRAMEBUFFER, framebuffer);
_mesa_ClearBufferuiv(buffer, drawbuffer, value);
_mesa_BindFramebuffer(GL_DRAW_FRAMEBUFFER, (GLuint) oldfb);
}
/**
* New in GL 3.0
* Clear fixed-pt or float color buffer or depth buffer (not stencil).

4
src/mesa/main/clear.h
View file

@ -58,6 +58,10 @@ _mesa_ClearNamedFramebufferiv(GLuint framebuffer, GLenum buffer,
extern void GLAPIENTRY
_mesa_ClearBufferuiv(GLenum buffer, GLint drawbuffer, const GLuint *value);
extern void GLAPIENTRY
_mesa_ClearNamedFramebufferuiv(GLuint framebuffer, GLenum buffer,
GLint drawbuffer, const GLuint *value);
extern void GLAPIENTRY
_mesa_ClearBufferfv(GLenum buffer, GLint drawbuffer, const GLfloat *value);

1
src/mesa/main/tests/dispatch_sanity.cpp
View file

@ -987,6 +987,7 @@ const struct function gl_core_functions_possible[] = {
{ "glInvalidateNamedFramebufferSubData", 45, -1 },
{ "glInvalidateNamedFramebufferData", 45, -1 },
{ "glClearNamedFramebufferiv", 45, -1 },
{ "glClearNamedFramebufferuiv", 45, -1 },
{ "glBlitNamedFramebuffer", 45, -1 },
{ "glCheckNamedFramebufferStatus", 45, -1 },
{ "glGetNamedFramebufferAttachmentParameteriv", 45, -1 },