From: Ian Romanick <[email protected]>
It appears that, in spite of what the spec says, the interval
parameter to glXSwapIntervalMESA has been an unsigned int since
day-1. This made the 'if (interval < 0)' test useless. The test is
removed and the spec is updated to note that the interval is an
unsigned value.
---
docs/MESA_swap_control.spec | 7 ++-----
src/glx/glxcmds.c | 4 ----
2 files changed, 2 insertions(+), 9 deletions(-)
diff --git a/docs/MESA_swap_control.spec b/docs/MESA_swap_control.spec
index ecc6746..856978b 100644
--- a/docs/MESA_swap_control.spec
+++ b/docs/MESA_swap_control.spec
@@ -43,7 +43,7 @@ Issues
New Procedures and Functions
- int glXSwapIntervalMESA(int interval)
+ int glXSwapIntervalMESA(unsigned int interval)
int glXGetSwapIntervalMESA(void)
New Tokens
@@ -103,11 +103,8 @@ Additions to the GLX 1.3 Specification
Errors
- glXSwapIntervalMESA returns GLX_BAD_VALUE if parameter <interval> is
- less than zero.
-
glXSwapIntervalMESA returns GLX_BAD_CONTEXT if there is no current
- GLXContext.
+ GLXContext or if the current context is not a direct rendering context.
GLX Protocol
diff --git a/src/glx/glxcmds.c b/src/glx/glxcmds.c
index 19538f2..c429545 100644
--- a/src/glx/glxcmds.c
+++ b/src/glx/glxcmds.c
@@ -1951,10 +1951,6 @@ __glXSwapIntervalMESA(unsigned int interval)
{
GLXContext gc = __glXGetCurrentContext();
- if (interval < 0) {
- return GLX_BAD_VALUE;
- }
-
#ifdef __DRI_SWAP_CONTROL
if (gc != NULL && gc->driContext) {
__GLXscreenConfigs *const psc = GetGLXScreenConfigs(gc->currentDpy,
--
1.6.6
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