diff options
Diffstat (limited to 'src/gallium/winsys')
| -rw-r--r-- | src/gallium/winsys/drm/intel/gem/intel_be_device.c | 40 |
1 files changed, 38 insertions, 2 deletions
diff --git a/src/gallium/winsys/drm/intel/gem/intel_be_device.c b/src/gallium/winsys/drm/intel/gem/intel_be_device.c index 512bd41d648..5312865a039 100644 --- a/src/gallium/winsys/drm/intel/gem/intel_be_device.c +++ b/src/gallium/winsys/drm/intel/gem/intel_be_device.c @@ -7,6 +7,7 @@ #include "pipe/p_inlines.h" #include "util/u_memory.h" #include "util/u_debug.h" +#include "util/u_math.h" #include "intel_be_fence.h" @@ -174,6 +175,40 @@ err: return NULL; } +static struct pipe_buffer * +intel_be_surface_buffer_create(struct pipe_winsys *winsys, + unsigned width, unsigned height, + enum pipe_format format, + unsigned usage, + unsigned tex_usage, + unsigned *stride) +{ + struct pipe_format_block block; + unsigned buf_usage = 0; + unsigned buf_stride = 0; + unsigned buf_size = 0; + + pf_get_block(format, &block); + buf_stride = pf_get_stride(&block, width); + buf_stride = align(buf_stride, 64); + + if (tex_usage & PIPE_TEXTURE_USAGE_PRIMARY) { + /* TODO more checks */ + assert(buf_stride <= 2048*4); + assert(height % 8 == 0); + buf_stride = 2048 * 4; + buf_usage |= I915_BUFFER_USAGE_SCANOUT; + } + + buf_size = buf_stride * height; + *stride = buf_stride; + + return intel_be_buffer_create(winsys, + 0, + buf_usage, + buf_size); +} + boolean intel_be_get_texture_buffer(struct drm_api *api, struct pipe_texture *texture, @@ -257,6 +292,7 @@ intel_be_global_handle_from_buffer(struct drm_api *api, *handle = buf->flink; return TRUE; } + /* * Fence */ @@ -328,8 +364,8 @@ intel_be_init_device(struct intel_be_device *dev, int fd, unsigned id) dev->base.buffer_unmap = intel_be_buffer_unmap; dev->base.buffer_destroy = intel_be_buffer_destroy; - /* Not used anymore */ - dev->base.surface_buffer_create = NULL; + /* Used by softpipe */ + dev->base.surface_buffer_create = intel_be_surface_buffer_create; dev->base.fence_reference = intel_be_fence_refunref; dev->base.fence_signalled = intel_be_fence_signalled; |