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dri/swrast: add GLX_MESA_query_renderer support

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v2:
 - Drop __DRI2_RENDERER_PREFERRED_PROFILE case.
 - Cleanup return statements.

Cc: Brian Paul <brianp@vmware.com>
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
This commit is contained in:
Emil Velikov 2014-02-14 23:28:25 +00:00
parent 9c65361457
commit 64b1dc4449
1 changed files with 71 additions and 2 deletions
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73
src/mesa/drivers/dri/swrast/swrast.c
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@ -61,6 +61,9 @@
const __DRIextension **__driDriverGetExtensions_swrast(void);
const char const *swrast_vendor_string = "Mesa Project";
const char const *swrast_renderer_string = "Software Rasterizer";
/**
* Screen and config-related functions
*/
@ -117,8 +120,74 @@ static const __DRItexBufferExtension swrastTexBufferExtension = {
.releaseTexBuffer = NULL,
};
static int
swrast_query_renderer_integer(__DRIscreen *psp, int param,
unsigned int *value)
{
switch (param) {
case __DRI2_RENDERER_VENDOR_ID:
case __DRI2_RENDERER_DEVICE_ID:
/* Return 0xffffffff for both vendor and device id */
value[0] = 0xffffffff;
return 0;
case __DRI2_RENDERER_ACCELERATED:
value[0] = 0;
return 0;
case __DRI2_RENDERER_VIDEO_MEMORY: {
/* XXX: Do we want to return the full amount of system memory ? */
const long system_memory_pages = sysconf(_SC_PHYS_PAGES);
const long system_page_size = sysconf(_SC_PAGE_SIZE);
if (system_memory_pages <= 0 || system_page_size <= 0)
return -1;
const uint64_t system_memory_bytes = (uint64_t) system_memory_pages
* (uint64_t) system_page_size;
const unsigned system_memory_megabytes =
(unsigned) (system_memory_bytes / (1024 * 1024));
value[0] = system_memory_megabytes;
return 0;
}
case __DRI2_RENDERER_UNIFIED_MEMORY_ARCHITECTURE:
/**
* XXX: Perhaps we should return 1 ?
* See issue #7 from the spec, currently UNRESOLVED.
*/
value[0] = 0;
return 0;
default:
return driQueryRendererIntegerCommon(psp, param, value);
}
}
static int
swrast_query_renderer_string(__DRIscreen *psp, int param, const char **value)
{
switch (param) {
case __DRI2_RENDERER_VENDOR_ID:
value[0] = swrast_vendor_string;
return 0;
case __DRI2_RENDERER_DEVICE_ID:
value[0] = swrast_renderer_string;
return 0;
default:
return -1;
}
}
static const __DRI2rendererQueryExtension swrast_query_renderer_extension = {
.base = { __DRI2_RENDERER_QUERY, 1 },
.queryInteger = swrast_query_renderer_integer,
.queryString = swrast_query_renderer_string
};
static const __DRIextension *dri_screen_extensions[] = {
&swrastTexBufferExtension.base,
&swrast_query_renderer_extension.base,
NULL
};
@ -599,9 +668,9 @@ get_string(struct gl_context *ctx, GLenum pname)
(void) ctx;
switch (pname) {
case GL_VENDOR:
return (const GLubyte *) "Mesa Project";
return (const GLubyte *) swrast_vendor_string;
case GL_RENDERER:
return (const GLubyte *) "Software Rasterizer";
return (const GLubyte *) swrast_renderer_string;
default:
return NULL;
}