Implementation based on the classic driver with the following changes: - Use auxiliarry function os_get_total_physical_memory to get the total amount of memory. - Move the libdrm_intel specific get_aperture_size to the winsys.
Cc: Chia-I Wu <[email protected]> Signed-off-by: Emil Velikov <[email protected]> --- src/gallium/drivers/i915/i915_screen.c | 2 +- src/gallium/drivers/ilo/ilo_screen.c | 24 ++++++++++++++++++++++++ src/gallium/winsys/intel/drm/intel_drm_winsys.c | 10 ++++++++++ src/gallium/winsys/intel/intel_winsys.h | 3 +++ 4 files changed, 38 insertions(+), 1 deletion(-) diff --git a/src/gallium/drivers/i915/i915_screen.c b/src/gallium/drivers/i915/i915_screen.c index f3b89b5..022d56a 100644 --- a/src/gallium/drivers/i915/i915_screen.c +++ b/src/gallium/drivers/i915/i915_screen.c @@ -300,7 +300,7 @@ i915_get_param(struct pipe_screen *screen, enum pipe_cap cap) if (!os_get_total_physical_memory(&system_memory)) return 0; - return MIN2(gpu_mappable_megabytes, (int) (system_memory >> 20)); + return MIN2(gpu_mappable_megabytes, (int)(system_memory >> 20)); } case PIPE_CAP_UMA: return 1; diff --git a/src/gallium/drivers/ilo/ilo_screen.c b/src/gallium/drivers/ilo/ilo_screen.c index bd6d8dd..af341dc 100644 --- a/src/gallium/drivers/ilo/ilo_screen.c +++ b/src/gallium/drivers/ilo/ilo_screen.c @@ -25,6 +25,7 @@ * Chia-I Wu <[email protected]> */ +#include "os/os_misc.h" #include "util/u_format_s3tc.h" #include "vl/vl_decoder.h" #include "vl/vl_video_buffer.h" @@ -435,6 +436,29 @@ ilo_get_param(struct pipe_screen *screen, enum pipe_cap param) case PIPE_CAP_DRAW_INDIRECT: return 0; + case PIPE_CAP_VENDOR_ID: + return 0x8086; + case PIPE_CAP_DEVICE_ID: + return is->dev.devid; + case PIPE_CAP_ACCELERATED: + return true; + case PIPE_CAP_VIDEO_MEMORY: { + /* Once a batch uses more than 75% of the maximum mappable size, we + * assume that there's some fragmentation, and we start doing extra + * flushing, etc. That's the big cliff apps will care about. + */ + const int gpu_mappable_megabytes = + intel_winsys_get_aperture_size(is->winsys) * 3 / 4; + uint64_t system_memory; + + if (!os_get_total_physical_memory(&system_memory)) + return 0; + + return MIN2(gpu_mappable_megabytes, (int)(system_memory >> 20)); + } + case PIPE_CAP_UMA: + return true; + default: return 0; } diff --git a/src/gallium/winsys/intel/drm/intel_drm_winsys.c b/src/gallium/winsys/intel/drm/intel_drm_winsys.c index b7a2c4e..b394e5f 100644 --- a/src/gallium/winsys/intel/drm/intel_drm_winsys.c +++ b/src/gallium/winsys/intel/drm/intel_drm_winsys.c @@ -223,6 +223,16 @@ intel_winsys_get_info(const struct intel_winsys *winsys) return &winsys->info; } +int +intel_winsys_get_aperture_size(const struct intel_winsys *winsys) +{ + size_t aper_size, mappable_size; + + drm_intel_get_aperture_sizes(winsys->fd, &mappable_size, &aper_size); + + return aper_size >> 20; +} + struct intel_context * intel_winsys_create_context(struct intel_winsys *winsys) { diff --git a/src/gallium/winsys/intel/intel_winsys.h b/src/gallium/winsys/intel/intel_winsys.h index 197eae8..4bf9a16 100644 --- a/src/gallium/winsys/intel/intel_winsys.h +++ b/src/gallium/winsys/intel/intel_winsys.h @@ -91,6 +91,9 @@ intel_winsys_destroy(struct intel_winsys *winsys); const struct intel_winsys_info * intel_winsys_get_info(const struct intel_winsys *winsys); +int +intel_winsys_get_aperture_size(const struct intel_winsys *winsys); + /** * Create a logical context for use with the render ring. */ -- 2.0.2 _______________________________________________ mesa-dev mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/mesa-dev
