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authorBrian Paul <brianp@vmware.com>2010-04-20 16:13:08 -0600
committerBrian Paul <brianp@vmware.com>2010-04-20 16:17:09 -0600
commitf4dcb5de4e46d7b511b530375ef77e9946b89ff0 (patch)
treee66e60b92fdc541f37297a6620068073241d7f40 /src/mesa/main/enable.c
parentf86d7af4a0003997890edc84158e72c21c11037e (diff)
mesa: better, smaller error handling code for glEnable/Disable/IsEnabled()
Use a goto instead of replicating the _mesa_error() call many times. enable.o is about 15% smaller.
Diffstat (limited to 'src/mesa/main/enable.c')
-rw-r--r--src/mesa/main/enable.c53
1 files changed, 29 insertions, 24 deletions
diff --git a/src/mesa/main/enable.c b/src/mesa/main/enable.c
index f9decc31ab..d24564c353 100644
--- a/src/mesa/main/enable.c
+++ b/src/mesa/main/enable.c
@@ -42,9 +42,7 @@
#define CHECK_EXTENSION(EXTNAME, CAP) \
if (!ctx->Extensions.EXTNAME) { \
- _mesa_error(ctx, GL_INVALID_ENUM, "gl%sClientState(0x%x)", \
- state ? "Enable" : "Disable", CAP); \
- return; \
+ goto invalid_enum_error; \
}
@@ -127,9 +125,7 @@ client_state(GLcontext *ctx, GLenum cap, GLboolean state)
#endif /* FEATURE_NV_vertex_program */
default:
- _mesa_error( ctx, GL_INVALID_ENUM,
- "glEnable/DisableClientState(0x%x)", cap);
- return;
+ goto invalid_enum_error;
}
if (*var == state)
@@ -150,6 +146,12 @@ client_state(GLcontext *ctx, GLenum cap, GLboolean state)
if (ctx->Driver.Enable) {
ctx->Driver.Enable( ctx, cap, state );
}
+
+ return;
+
+invalid_enum_error:
+ _mesa_error(ctx, GL_INVALID_ENUM, "gl%sClientState(0x%x)",
+ state ? "Enable" : "Disable", cap);
}
@@ -188,16 +190,12 @@ _mesa_DisableClientState( GLenum cap )
#undef CHECK_EXTENSION
#define CHECK_EXTENSION(EXTNAME, CAP) \
if (!ctx->Extensions.EXTNAME) { \
- _mesa_error(ctx, GL_INVALID_ENUM, "gl%s(0x%x)", \
- state ? "Enable" : "Disable", CAP); \
- return; \
+ goto invalid_enum_error; \
}
#define CHECK_EXTENSION2(EXT1, EXT2, CAP) \
if (!ctx->Extensions.EXT1 && !ctx->Extensions.EXT2) { \
- _mesa_error(ctx, GL_INVALID_ENUM, "gl%s(0x%x)", \
- state ? "Enable" : "Disable", CAP); \
- return; \
+ goto invalid_enum_error; \
}
@@ -993,14 +991,18 @@ _mesa_set_enable(GLcontext *ctx, GLenum cap, GLboolean state)
#endif
default:
- _mesa_error(ctx, GL_INVALID_ENUM,
- "%s(0x%x)", state ? "glEnable" : "glDisable", cap);
- return;
+ goto invalid_enum_error;
}
if (ctx->Driver.Enable) {
ctx->Driver.Enable( ctx, cap, state );
}
+
+ return;
+
+invalid_enum_error:
+ _mesa_error(ctx, GL_INVALID_ENUM, "gl%s(0x%x)",
+ state ? "Enable" : "Disable", cap);
}
@@ -1043,7 +1045,7 @@ _mesa_set_enablei(GLcontext *ctx, GLenum cap, GLuint index, GLboolean state)
switch (cap) {
case GL_BLEND:
if (!ctx->Extensions.EXT_draw_buffers2) {
- goto bad_cap_error;
+ goto invalid_enum_error;
}
if (index >= ctx->Const.MaxDrawBuffers) {
_mesa_error(ctx, GL_INVALID_VALUE, "%s(index=%u)",
@@ -1059,11 +1061,11 @@ _mesa_set_enablei(GLcontext *ctx, GLenum cap, GLuint index, GLboolean state)
}
break;
default:
- goto bad_cap_error;
+ goto invalid_enum_error;
}
return;
-bad_cap_error:
+invalid_enum_error:
_mesa_error(ctx, GL_INVALID_ENUM, "%s(cap=%s)",
state ? "glEnablei" : "glDisablei",
_mesa_lookup_enum_by_nr(cap));
@@ -1113,15 +1115,13 @@ _mesa_IsEnabledIndexed( GLenum cap, GLuint index )
#undef CHECK_EXTENSION
#define CHECK_EXTENSION(EXTNAME) \
if (!ctx->Extensions.EXTNAME) { \
- _mesa_error(ctx, GL_INVALID_ENUM, "glIsEnabled"); \
- return GL_FALSE; \
+ goto invalid_enum_error; \
}
#undef CHECK_EXTENSION2
#define CHECK_EXTENSION2(EXT1, EXT2) \
if (!ctx->Extensions.EXT1 && !ctx->Extensions.EXT2) { \
- _mesa_error(ctx, GL_INVALID_ENUM, "glIsEnabled"); \
- return GL_FALSE; \
+ goto invalid_enum_error; \
}
@@ -1510,7 +1510,12 @@ _mesa_IsEnabled( GLenum cap )
#endif
default:
- _mesa_error(ctx, GL_INVALID_ENUM, "glIsEnabled(0x%x)", (int) cap);
- return GL_FALSE;
+ goto invalid_enum_error;
}
+
+ return GL_FALSE;
+
+invalid_enum_error:
+ _mesa_error(ctx, GL_INVALID_ENUM, "glIsEnabled(0x%x)", (int) cap);
+ return GL_FALSE;
}