diff options
-rw-r--r-- | src/mesa/drivers/dri/swrast/swrast.c | 73 |
1 files changed, 71 insertions, 2 deletions
diff --git a/src/mesa/drivers/dri/swrast/swrast.c b/src/mesa/drivers/dri/swrast/swrast.c index 888138115f0..e28991b0cb6 100644 --- a/src/mesa/drivers/dri/swrast/swrast.c +++ b/src/mesa/drivers/dri/swrast/swrast.c @@ -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; } |