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mesa: add depth_func() helper 

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Timothy Arceri <tarceri@itsqueeze.com>
This commit is contained in:
Samuel Pitoiset 2017-06-23 17:20:39 +02:00
parent eaa477104c
commit bbc03839d1
2 changed files with 31 additions and 22 deletions
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51
src/mesa/main/depth.c
View File

@ -57,30 +57,27 @@ _mesa_ClearDepthf( GLclampf depth )
}
void GLAPIENTRY
_mesa_DepthFunc( GLenum func )
static ALWAYS_INLINE void
depth_func(struct gl_context *ctx, GLenum func, bool no_error)
{
GET_CURRENT_CONTEXT(ctx);
if (MESA_VERBOSE & VERBOSE_API)
_mesa_debug(ctx, "glDepthFunc %s\n", _mesa_enum_to_string(func));
if (ctx->Depth.Func == func)
return;
switch (func) {
case GL_LESS: /* (default) pass if incoming z < stored z */
case GL_GEQUAL:
case GL_LEQUAL:
case GL_GREATER:
case GL_NOTEQUAL:
case GL_EQUAL:
case GL_ALWAYS:
case GL_NEVER:
break;
default:
_mesa_error( ctx, GL_INVALID_ENUM, "glDepth.Func" );
return;
if (!no_error) {
switch (func) {
case GL_LESS: /* (default) pass if incoming z < stored z */
case GL_GEQUAL:
case GL_LEQUAL:
case GL_GREATER:
case GL_NOTEQUAL:
case GL_EQUAL:
case GL_ALWAYS:
case GL_NEVER:
break;
default:
_mesa_error(ctx, GL_INVALID_ENUM, "glDepth.Func");
return;
}
}
FLUSH_VERTICES(ctx, ctx->DriverFlags.NewDepth ? 0 : _NEW_DEPTH);
@ -88,7 +85,19 @@ _mesa_DepthFunc( GLenum func )
ctx->Depth.Func = func;
if (ctx->Driver.DepthFunc)
ctx->Driver.DepthFunc( ctx, func );
ctx->Driver.DepthFunc(ctx, func);
}
void GLAPIENTRY
_mesa_DepthFunc(GLenum func)
{
GET_CURRENT_CONTEXT(ctx);
if (MESA_VERBOSE & VERBOSE_API)
_mesa_debug(ctx, "glDepthFunc %s\n", _mesa_enum_to_string(func));
depth_func(ctx, func, false);
}

2
src/mesa/main/depth.h
View File

@ -44,7 +44,7 @@ extern void GLAPIENTRY
_mesa_ClearDepthf( GLclampf depth );
extern void GLAPIENTRY
_mesa_DepthFunc( GLenum func );
_mesa_DepthFunc(GLenum func);
extern void GLAPIENTRY
_mesa_DepthMask( GLboolean flag );