diff options
Diffstat (limited to 'src/gallium/winsys/drm/intel/gem/intel_be_device.c')
| -rw-r--r-- | src/gallium/winsys/drm/intel/gem/intel_be_device.c | 474 |
1 files changed, 0 insertions, 474 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 deleted file mode 100644 index 2d8e9f1a24e..00000000000 --- a/src/gallium/winsys/drm/intel/gem/intel_be_device.c +++ /dev/null @@ -1,474 +0,0 @@ - -#include "intel_be_device.h" - -#include "pipe/internal/p_winsys_screen.h" -#include "pipe/p_defines.h" -#include "pipe/p_state.h" -#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" - -#include "i915simple/i915_winsys.h" -#include "softpipe/sp_winsys.h" - -#include "intel_be_api.h" -#include <stdio.h> - -#define I915_TILING_X 1 - -/* - * Buffer - */ - -static void * -intel_be_buffer_map(struct pipe_winsys *winsys, - struct pipe_buffer *buf, - unsigned flags) -{ - struct intel_be_buffer *buffer = intel_be_buffer(buf); - drm_intel_bo *bo = intel_bo(buf); - int write = 0; - int ret = 0; - - if (flags & PIPE_BUFFER_USAGE_DONTBLOCK) { - /* Remove this when drm_intel_bo_map supports DONTBLOCK - */ - return NULL; - } - - if (flags & PIPE_BUFFER_USAGE_CPU_WRITE) - write = 1; - - if (buffer->map_count) - goto out; - - if (buffer->map_gtt) - ret = drm_intel_gem_bo_map_gtt(bo); - else - ret = drm_intel_bo_map(bo, write); - - buffer->ptr = bo->virtual; - -out: - if (ret) - return NULL; - - buffer->map_count++; - return buffer->ptr; -} - -static void -intel_be_buffer_unmap(struct pipe_winsys *winsys, - struct pipe_buffer *buf) -{ - struct intel_be_buffer *buffer = intel_be_buffer(buf); - - if (--buffer->map_count) - return; - - if (buffer->map_gtt) - drm_intel_gem_bo_unmap_gtt(intel_bo(buf)); - else - drm_intel_bo_unmap(intel_bo(buf)); -} - -static void -intel_be_buffer_destroy(struct pipe_buffer *buf) -{ - drm_intel_bo_unreference(intel_bo(buf)); - free(buf); -} - -static struct pipe_buffer * -intel_be_buffer_create(struct pipe_winsys *winsys, - unsigned alignment, - unsigned usage, - unsigned size) -{ - struct intel_be_buffer *buffer = CALLOC_STRUCT(intel_be_buffer); - struct intel_be_device *dev = intel_be_device(winsys); - drm_intel_bufmgr *pool; - char *name; - - if (!buffer) - return NULL; - - pipe_reference_init(&buffer->base.reference, 1); - buffer->base.alignment = alignment; - buffer->base.usage = usage; - buffer->base.size = size; - buffer->flinked = FALSE; - buffer->flink = 0; - buffer->map_gtt = FALSE; - - if (usage & I915_BUFFER_USAGE_SCANOUT) { - /* Scanout buffer */ - name = "gallium3d_scanout"; - pool = dev->pools.gem; - } else if (usage & (PIPE_BUFFER_USAGE_VERTEX | PIPE_BUFFER_USAGE_CONSTANT)) { - /* Local buffer */ - name = "gallium3d_local"; - pool = dev->pools.gem; - } else if (usage & PIPE_BUFFER_USAGE_CUSTOM) { - /* For vertex buffers */ - name = "gallium3d_internal_vertex"; - pool = dev->pools.gem; - } else { - /* Regular buffers */ - name = "gallium3d_regular"; - pool = dev->pools.gem; - } - - buffer->bo = drm_intel_bo_alloc(pool, name, size, alignment); - if (usage & I915_BUFFER_USAGE_SCANOUT) { - unsigned tiling = I915_TILING_X; - unsigned stride = 2048 * 4; /* TODO do something smarter here */ - drm_intel_bo_set_tiling(buffer->bo, &tiling, stride); - buffer->map_gtt = TRUE; - } - - if (!buffer->bo) - goto err; - - return &buffer->base; - -err: - free(buffer); - return NULL; -} - -static struct pipe_buffer * -intel_be_user_buffer_create(struct pipe_winsys *winsys, void *ptr, unsigned bytes) -{ - struct intel_be_buffer *buffer = CALLOC_STRUCT(intel_be_buffer); - struct intel_be_device *dev = intel_be_device(winsys); - int ret; - - if (!buffer) - return NULL; - - pipe_reference_init(&buffer->base.reference, 1); - buffer->base.alignment = 0; - buffer->base.usage = 0; - buffer->base.size = bytes; - - buffer->bo = drm_intel_bo_alloc(dev->pools.gem, - "gallium3d_user_buffer", - bytes, 0); - - if (!buffer->bo) - goto err; - - ret = drm_intel_bo_subdata(buffer->bo, - 0, bytes, ptr); - - if (ret) - goto err; - - return &buffer->base; - -err: - free(buffer); - 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); -} - -static struct pipe_buffer * -intel_be_buffer_from_handle(struct drm_api *api, - struct pipe_screen *screen, - const char* name, unsigned handle) -{ - struct intel_be_device *dev = intel_be_device(screen->winsys); - struct intel_be_buffer *buffer = CALLOC_STRUCT(intel_be_buffer); - - if (!buffer) - return NULL; - - buffer->bo = drm_intel_bo_gem_create_from_name(dev->pools.gem, name, handle); - - if (!buffer->bo) - goto err; - - pipe_reference_init(&buffer->base.reference, 1); - buffer->base.screen = screen; - buffer->base.alignment = buffer->bo->align; - buffer->base.usage = PIPE_BUFFER_USAGE_GPU_READ | - PIPE_BUFFER_USAGE_GPU_WRITE | - PIPE_BUFFER_USAGE_CPU_READ | - PIPE_BUFFER_USAGE_CPU_WRITE; - buffer->base.size = buffer->bo->size; - - return &buffer->base; - -err: - free(buffer); - return NULL; -} - -struct pipe_texture * -intel_be_texture_from_shared_handle(struct drm_api *api, - struct pipe_screen *screen, - struct pipe_texture *templ, - const char* name, - unsigned pitch, - unsigned handle) -{ - struct pipe_buffer *buffer; - - buffer = intel_be_buffer_from_handle(api, - screen, - name, - handle); - if (!buffer) - return NULL; - - return screen->texture_blanket(screen, templ, &pitch, buffer); -} - -static boolean -intel_be_get_texture_buffer(struct drm_api *api, - struct pipe_texture *texture, - struct pipe_buffer **buffer, - unsigned *stride) -{ - struct intel_be_device *dev; - - if (!texture) - return FALSE; - - dev = intel_be_device(texture->screen->winsys); - if (dev->softpipe) - return softpipe_get_texture_buffer(texture, buffer, stride); - else - return i915_get_texture_buffer(texture, buffer, stride); -} - -boolean -intel_be_shared_handle_from_texture(struct drm_api *api, - struct pipe_screen *screen, - struct pipe_texture *texture, - unsigned *pitch, - unsigned *handle) -{ - struct pipe_buffer *buffer = NULL; - struct intel_be_buffer *buf; - if (!intel_be_get_texture_buffer(api, - texture, - &buffer, - pitch)) - return FALSE; - - buf = intel_be_buffer(buffer); - if (!buf->flinked) { - if (drm_intel_bo_flink(intel_bo(buffer), &buf->flink)) - return FALSE; - buf->flinked = TRUE; - } - - *handle = buf->flink; - - pipe_buffer_reference(&buffer, NULL); - - return TRUE; -} - -boolean -intel_be_local_handle_from_texture(struct drm_api *api, - struct pipe_screen *screen, - struct pipe_texture *texture, - unsigned *pitch, - unsigned *handle) -{ - struct pipe_buffer *buffer = NULL; - if (!intel_be_get_texture_buffer(api, - texture, - &buffer, - pitch)) - return FALSE; - - *handle = intel_bo(buffer)->handle; - - pipe_buffer_reference(&buffer, NULL); - - return TRUE; -} - -/* - * Fence - */ - -static void -intel_be_fence_refunref(struct pipe_winsys *sws, - struct pipe_fence_handle **ptr, - struct pipe_fence_handle *fence) -{ - struct intel_be_fence **p = (struct intel_be_fence **)ptr; - struct intel_be_fence *f = (struct intel_be_fence *)fence; - - intel_be_fence_reference(p, f); -} - -static int -intel_be_fence_signalled(struct pipe_winsys *sws, - struct pipe_fence_handle *fence, - unsigned flag) -{ - assert(0); - - return 0; -} - -static int -intel_be_fence_finish(struct pipe_winsys *sws, - struct pipe_fence_handle *fence, - unsigned flag) -{ - struct intel_be_fence *f = (struct intel_be_fence *)fence; - - /* fence already expired */ - if (!f->bo) - return 0; - - drm_intel_bo_wait_rendering(f->bo); - drm_intel_bo_unreference(f->bo); - f->bo = NULL; - - return 0; -} - -/* - * Misc functions - */ - -static void -intel_be_destroy_winsys(struct pipe_winsys *winsys) -{ - struct intel_be_device *dev = intel_be_device(winsys); - - drm_intel_bufmgr_destroy(dev->pools.gem); - - free(dev); -} - -boolean -intel_be_init_device(struct intel_be_device *dev, int fd, unsigned id) -{ - dev->fd = fd; - dev->id = id; - dev->max_batch_size = 16 * 4096; - dev->max_vertex_size = 128 * 4096; - - dev->base.buffer_create = intel_be_buffer_create; - dev->base.user_buffer_create = intel_be_user_buffer_create; - dev->base.buffer_map = intel_be_buffer_map; - dev->base.buffer_unmap = intel_be_buffer_unmap; - dev->base.buffer_destroy = intel_be_buffer_destroy; - - /* 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; - dev->base.fence_finish = intel_be_fence_finish; - - dev->base.destroy = intel_be_destroy_winsys; - - dev->pools.gem = drm_intel_bufmgr_gem_init(dev->fd, dev->max_batch_size); - - dev->softpipe = debug_get_bool_option("INTEL_SOFTPIPE", FALSE); - dev->dump_cmd = debug_get_bool_option("INTEL_DUMP_CMD", FALSE); - - return true; -} - -static void -intel_be_get_device_id(unsigned int *device_id) -{ - char path[512]; - FILE *file; - void *shutup_gcc; - - /* - * FIXME: Fix this up to use a drm ioctl or whatever. - */ - - snprintf(path, sizeof(path), "/sys/class/drm/card0/device/device"); - file = fopen(path, "r"); - if (!file) { - return; - } - - shutup_gcc = fgets(path, sizeof(path), file); - sscanf(path, "%x", device_id); - fclose(file); -} - -struct pipe_screen * -intel_be_create_screen(struct drm_api *api, int drmFD, - struct drm_create_screen_arg *arg) -{ - struct intel_be_device *dev; - struct pipe_screen *screen; - unsigned int deviceID; - - if (arg != NULL) { - switch(arg->mode) { - case DRM_CREATE_NORMAL: - break; - default: - return NULL; - } - } - - /* Allocate the private area */ - dev = malloc(sizeof(*dev)); - if (!dev) - return NULL; - memset(dev, 0, sizeof(*dev)); - - intel_be_get_device_id(&deviceID); - intel_be_init_device(dev, drmFD, deviceID); - - if (dev->softpipe) { - screen = softpipe_create_screen(&dev->base); - } else - screen = i915_create_screen(&dev->base, deviceID); - - return screen; -} |