[Mesa-dev] [PATCH 6/8] Support of RENDER_TYPE property [6/6] Verification of the RENDER_TYPE value.
Tomasz Lis
listom at gmail.com
Tue Jul 16 06:37:18 PDT 2013
Thank you.
I will rename the function to validate_renderType_against_config and make
it return bool.
I will fix the brace.
2013/7/15 Ian Romanick <ian.d.romanick at intel.com>
> On 07/15/2013 07:28 AM, Tomasz Lis wrote:
>
>> The change is to correctly handle the value of renderType in GLX context.
>> In case of the value being incorrect, context creation fails.
>> ---
>> src/glx/dri2_glx.c | 11 +++++++++++
>> src/glx/dri_glx.c | 6 ++++++
>> src/glx/drisw_glx.c | 12 ++++++++++++
>> src/glx/glxclient.h | 2 ++
>> src/glx/glxcmds.c | 25 +++++++++++++++++++++++++
>> src/glx/indirect_glx.c | 6 ++++++
>> src/mesa/drivers/x11/fakeglx.c | 5 ++++-
>> 7 files changed, 66 insertions(+), 1 deletion(-)
>>
>> diff --git a/src/glx/dri2_glx.c b/src/glx/dri2_glx.c
>> index d60c675..539e7f1 100644
>> --- a/src/glx/dri2_glx.c
>> +++ b/src/glx/dri2_glx.c
>> @@ -205,6 +205,12 @@ dri2_create_context(struct glx_screen *base,
>> __GLXDRIconfigPrivate *config = (__GLXDRIconfigPrivate *)
>> config_base;
>> __DRIcontext *shared = NULL;
>>
>> + /* Check the renderType value */
>> + renderType = verifyContextRenderTypeGLX(**config_base, renderType);
>> + if (!renderType) {
>> + return NULL;
>> + }
>> +
>>
>
> Every place that uses verifyConextRenderTypeGLX should be:
>
> if (!verifyContextRenderTypeGLX(**config_base, renderType))
> return NULL;
>
> And see blow.
>
>
> if (shareList) {
>> /* If the shareList context is not a DRI2 context, we cannot
>> possibly
>> * create a DRI2 context that shares it.
>> @@ -277,6 +283,11 @@ dri2_create_context_attribs(**struct glx_screen
>> *base,
>> error))
>> goto error_exit;
>>
>> + /* Check the renderType value */
>> + renderType = verifyContextRenderTypeGLX(**config_base, renderType);
>> + if (!renderType)
>> + goto error_exit;
>> +
>> if (shareList) {
>> pcp_shared = (struct dri2_context *) shareList;
>> shared = pcp_shared->driContext;
>> diff --git a/src/glx/dri_glx.c b/src/glx/dri_glx.c
>> index cc45734..de44451 100644
>> --- a/src/glx/dri_glx.c
>> +++ b/src/glx/dri_glx.c
>> @@ -581,6 +581,12 @@ dri_create_context(struct glx_screen *base,
>> if (!psc->base.driScreen)
>> return NULL;
>>
>> + /* Check the renderType value */
>> + renderType = verifyContextRenderTypeGLX(**config_base, renderType);
>> + if (!renderType) {
>> + return NULL;
>> + }
>> +
>> if (shareList) {
>> /* If the shareList context is not a DRI context, we cannot
>> possibly
>> * create a DRI context that shares it.
>> diff --git a/src/glx/drisw_glx.c b/src/glx/drisw_glx.c
>> index ef0e52b..0e45607 100644
>> --- a/src/glx/drisw_glx.c
>> +++ b/src/glx/drisw_glx.c
>> @@ -380,6 +380,12 @@ drisw_create_context(struct glx_screen *base,
>> if (!psc->base.driScreen)
>> return NULL;
>>
>> + /* Check the renderType value */
>> + renderType = verifyContextRenderTypeGLX(**config_base, renderType);
>> + if (!renderType) {
>> + return NULL;
>> + }
>> +
>> if (shareList) {
>> /* If the shareList context is not a DRISW context, we cannot
>> possibly
>> * create a DRISW context that shares it.
>> @@ -451,6 +457,12 @@ drisw_create_context_attribs(**struct glx_screen
>> *base,
>> error))
>> return NULL;
>>
>> + /* Check the renderType value */
>> + renderType = verifyContextRenderTypeGLX(**config_base, renderType);
>> + if (!renderType) {
>> + return NULL;
>> + }
>> +
>> if (reset != __DRI_CTX_RESET_NO_**NOTIFICATION)
>> return NULL;
>>
>> diff --git a/src/glx/glxclient.h b/src/glx/glxclient.h
>> index fc8f31c..0e78584 100644
>> --- a/src/glx/glxclient.h
>> +++ b/src/glx/glxclient.h
>> @@ -803,6 +803,8 @@ extern int
>> applegl_create_display(struct glx_display *display);
>> #endif
>>
>> +extern int verifyContextRenderTypeGLX(**const struct glx_config
>> *config, int renderType);
>> +
>>
>> extern struct glx_drawable *GetGLXDrawable(Display *dpy, GLXDrawable
>> drawable);
>> extern int InitGLXDrawable(Display *dpy, struct glx_drawable *glxDraw,
>> diff --git a/src/glx/glxcmds.c b/src/glx/glxcmds.c
>> index 99b0218..e5ae7f8 100644
>> --- a/src/glx/glxcmds.c
>> +++ b/src/glx/glxcmds.c
>> @@ -224,6 +224,31 @@ ValidateGLXFBConfig(Display * dpy, GLXFBConfig
>> fbconfig)
>> return NULL;
>> }
>>
>> +/**
>> + * Verifies context's GLX_RENDER_TYPE value with config.
>> + * \param config GLX FBConfig which will support the returned renderType.
>> + * \param renderType The context render type to be verified.
>> + * \return Gives the approved value of context renderType, or 0 if no
>> valid value was found.
>> + */
>>
>
> The users of this function only care that it returns 0 or non-0. Have it
> return type Bool instead.
>
> I also think this function could use a better name.
> validate_renderType_against_**config seems more descriptive.
>
>
> +int
>> +verifyContextRenderTypeGLX(**const struct glx_config *config, int
>> renderType)
>> +{
>> + switch (renderType)
>> + {
>>
>
> Opening curly brace should be on the same line with the switch.
>
>
> + case GLX_RGBA_TYPE:
>> + return (config->renderType & GLX_RGBA_BIT) ? GLX_RGBA_TYPE : 0;
>>
>
> return (config->renderType & GLX_RGBA_BIT) != 0;
>
> etc.
>
>
> + case GLX_COLOR_INDEX_TYPE:
>> + return (config->renderType & GLX_COLOR_INDEX_BIT) ?
>> GLX_COLOR_INDEX_TYPE : 0;
>> + case GLX_RGBA_FLOAT_TYPE_ARB:
>> + return (config->renderType & GLX_RGBA_FLOAT_BIT_ARB) ?
>> GLX_RGBA_FLOAT_TYPE_ARB : 0;
>> + case GLX_RGBA_UNSIGNED_FLOAT_TYPE_**EXT:
>> + return (config->renderType & GLX_RGBA_UNSIGNED_FLOAT_BIT_**EXT)
>> ? GLX_RGBA_UNSIGNED_FLOAT_TYPE_**EXT : 0;
>> + default:
>> + break;
>> + }
>> + return 0;
>> +}
>> +
>> _X_HIDDEN Bool
>> glx_context_init(struct glx_context *gc,
>> struct glx_screen *psc, struct glx_config *config)
>> diff --git a/src/glx/indirect_glx.c b/src/glx/indirect_glx.c
>> index fc5107d..c1a81d5 100644
>> --- a/src/glx/indirect_glx.c
>> +++ b/src/glx/indirect_glx.c
>> @@ -352,6 +352,12 @@ indirect_create_context(struct glx_screen *psc,
>> return NULL;
>> }
>>
>> + /* Check the renderType value */
>> + renderType = verifyContextRenderTypeGLX(**mode, renderType);
>> + if (!renderType) {
>> + return NULL;
>> + }
>> +
>> /* Allocate our context record */
>> gc = calloc(1, sizeof *gc);
>> if (!gc) {
>> diff --git a/src/mesa/drivers/x11/**fakeglx.c b/src/mesa/drivers/x11/**
>> fakeglx.c
>> index 7a2cfbe..c48fc40 100644
>> --- a/src/mesa/drivers/x11/**fakeglx.c
>> +++ b/src/mesa/drivers/x11/**fakeglx.c
>> @@ -2325,7 +2325,10 @@ Fake_glXCreateNewContext( Display *dpy,
>> GLXFBConfig config,
>> XMesaVisual xmvis = (XMesaVisual) config;
>>
>> if (!dpy || !config ||
>> - (renderType != GLX_RGBA_TYPE && renderType !=
>> GLX_COLOR_INDEX_TYPE))
>> + (renderType != GLX_RGBA_TYPE &&
>> + renderType != GLX_COLOR_INDEX_TYPE &&
>> + renderType != GLX_RGBA_FLOAT_TYPE_ARB &&
>> + renderType != GLX_RGBA_UNSIGNED_FLOAT_TYPE_**EXT))
>> return 0;
>>
>> glxCtx = CALLOC_STRUCT(fake_glx_**context);
>>
>>
>
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