diff options
Diffstat (limited to 'src/gallium/winsys/drm/nouveau/drm/nouveau_drm_api.c')
-rw-r--r-- | src/gallium/winsys/drm/nouveau/drm/nouveau_drm_api.c | 167 |
1 files changed, 125 insertions, 42 deletions
diff --git a/src/gallium/winsys/drm/nouveau/drm/nouveau_drm_api.c b/src/gallium/winsys/drm/nouveau/drm/nouveau_drm_api.c index a558fda140..395b21ec7a 100644 --- a/src/gallium/winsys/drm/nouveau/drm/nouveau_drm_api.c +++ b/src/gallium/winsys/drm/nouveau/drm/nouveau_drm_api.c @@ -1,20 +1,83 @@ +#include "pipe/p_context.h" +#include "pipe/p_state.h" #include "util/u_memory.h" #include "nouveau_drm_api.h" -#include "nouveau_winsys_pipe.h" #include "nouveau_drmif.h" #include "nouveau_channel.h" #include "nouveau_bo.h" +#include "nouveau/nouveau_winsys.h" +#include "nouveau/nouveau_screen.h" + +static struct pipe_surface * +dri_surface_from_handle(struct pipe_screen *screen, + unsigned handle, + enum pipe_format format, + unsigned width, + unsigned height, + unsigned pitch) +{ + struct pipe_surface *surface = NULL; + struct pipe_texture *texture = NULL; + struct pipe_texture templat; + struct pipe_buffer *buf = NULL; + + buf = drm_api_hooks.buffer_from_handle(screen, "front buffer", handle); + if (!buf) + return NULL; + + memset(&templat, 0, sizeof(templat)); + templat.tex_usage = PIPE_TEXTURE_USAGE_PRIMARY | + NOUVEAU_TEXTURE_USAGE_LINEAR; + templat.target = PIPE_TEXTURE_2D; + templat.last_level = 0; + templat.depth[0] = 1; + templat.format = format; + templat.width[0] = width; + templat.height[0] = height; + pf_get_block(templat.format, &templat.block); + + texture = screen->texture_blanket(screen, + &templat, + &pitch, + buf); + + /* we don't need the buffer from this point on */ + pipe_buffer_reference(&buf, NULL); + + if (!texture) + return NULL; + + surface = screen->get_tex_surface(screen, texture, 0, 0, 0, + PIPE_BUFFER_USAGE_GPU_READ | + PIPE_BUFFER_USAGE_GPU_WRITE); + + /* we don't need the texture from this point on */ + pipe_texture_reference(&texture, NULL); + return surface; +} + +static struct pipe_surface * +nouveau_dri1_front_surface(struct pipe_context *pipe) +{ + return nouveau_winsys_screen(pipe->screen)->front; +} + +static struct dri1_api nouveau_dri1_api = { + nouveau_dri1_front_surface, +}; + static struct pipe_screen * nouveau_drm_create_screen(int fd, struct drm_create_screen_arg *arg) { - struct pipe_winsys *ws; + struct dri1_create_screen_arg *dri1 = (void *)arg; struct nouveau_winsys *nvws; + struct pipe_winsys *ws; struct nouveau_device *dev = NULL; struct pipe_screen *(*init)(struct pipe_winsys *, - struct nouveau_winsys *); + struct nouveau_device *); int ret; ret = nouveau_device_open_existing(&dev, 0, fd, 0); @@ -49,33 +112,54 @@ nouveau_drm_create_screen(int fd, struct drm_create_screen_arg *arg) return NULL; } - ws = nouveau_pipe_winsys_new(dev); - if (!ws) { + nvws = CALLOC_STRUCT(nouveau_winsys); + if (!nvws) { nouveau_device_close(&dev); return NULL; } + ws = &nvws->base; - nvws = nouveau_winsys_new(ws); - if (!nvws) { + nvws->pscreen = init(ws, dev); + if (!nvws->pscreen) { ws->destroy(ws); return NULL; } - nouveau_pipe_winsys(ws)->pscreen = init(ws, nvws); - if (!nouveau_pipe_winsys(ws)->pscreen) { - ws->destroy(ws); - return NULL; + if (arg->mode == DRM_CREATE_DRI1) { + struct nouveau_dri *nvdri = dri1->ddx_info; + enum pipe_format format; + + if (nvdri->bpp == 16) + format = PIPE_FORMAT_R5G6B5_UNORM; + else + format = PIPE_FORMAT_A8R8G8B8_UNORM; + + nvws->front = dri_surface_from_handle(nvws->pscreen, + nvdri->front_offset, + format, + nvdri->width, + nvdri->height, + nvdri->front_pitch * + (nvdri->bpp / 8)); + if (!nvws->front) { + debug_printf("%s: error referencing front buffer\n", + __func__); + ws->destroy(ws); + return NULL; + } + + dri1->api = &nouveau_dri1_api; } - return nouveau_pipe_winsys(ws)->pscreen; + return nvws->pscreen; } static struct pipe_context * nouveau_drm_create_context(struct pipe_screen *pscreen) { - struct nouveau_pipe_winsys *nvpws = nouveau_screen(pscreen); + struct nouveau_winsys *nvws = nouveau_winsys_screen(pscreen); struct pipe_context *(*init)(struct pipe_screen *, unsigned); - unsigned chipset = nvpws->channel->device->chipset; + unsigned chipset = nouveau_screen(pscreen)->device->chipset; int i; switch (chipset & 0xf0) { @@ -106,19 +190,19 @@ nouveau_drm_create_context(struct pipe_screen *pscreen) } /* Find a free slot for a pipe context, allocate a new one if needed */ - for (i = 0; i < nvpws->nr_pctx; i++) { - if (nvpws->pctx[i] == NULL) + for (i = 0; i < nvws->nr_pctx; i++) { + if (nvws->pctx[i] == NULL) break; } - if (i == nvpws->nr_pctx) { - nvpws->nr_pctx++; - nvpws->pctx = realloc(nvpws->pctx, - sizeof(*nvpws->pctx) * nvpws->nr_pctx); + if (i == nvws->nr_pctx) { + nvws->nr_pctx++; + nvws->pctx = realloc(nvws->pctx, + sizeof(*nvws->pctx) * nvws->nr_pctx); } - nvpws->pctx[i] = init(pscreen, i); - return nvpws->pctx[i]; + nvws->pctx[i] = init(pscreen, i); + return nvws->pctx[i]; } static boolean @@ -132,42 +216,41 @@ static struct pipe_buffer * nouveau_drm_pb_from_handle(struct pipe_screen *pscreen, const char *name, unsigned handle) { - struct nouveau_pipe_winsys *nvpws = nouveau_screen(pscreen); - struct nouveau_device *dev = nvpws->channel->device; - struct nouveau_pipe_buffer *nvpb; + struct nouveau_device *dev = nouveau_screen(pscreen)->device; + struct pipe_buffer *pb; int ret; - nvpb = CALLOC_STRUCT(nouveau_pipe_buffer); - if (!nvpb) + pb = CALLOC(1, sizeof(struct pipe_buffer) + sizeof(struct nouveau_bo*)); + if (!pb) return NULL; - ret = nouveau_bo_handle_ref(dev, handle, &nvpb->bo); + ret = nouveau_bo_handle_ref(dev, handle, (struct nouveau_bo**)(pb+1)); if (ret) { debug_printf("%s: ref name 0x%08x failed with %d\n", __func__, handle, ret); - FREE(nvpb); + FREE(pb); return NULL; } - pipe_reference_init(&nvpb->base.reference, 1); - nvpb->base.screen = pscreen; - nvpb->base.alignment = 0; - nvpb->base.usage = PIPE_BUFFER_USAGE_GPU_READ_WRITE | - PIPE_BUFFER_USAGE_CPU_READ_WRITE; - nvpb->base.size = nvpb->bo->size; - return &nvpb->base; + pipe_reference_init(&pb->reference, 1); + pb->screen = pscreen; + pb->alignment = 0; + pb->usage = PIPE_BUFFER_USAGE_GPU_READ_WRITE | + PIPE_BUFFER_USAGE_CPU_READ_WRITE; + pb->size = nouveau_bo(pb)->size; + return pb; } static boolean nouveau_drm_handle_from_pb(struct pipe_screen *pscreen, struct pipe_buffer *pb, unsigned *handle) { - struct nouveau_pipe_buffer *nvpb = nouveau_pipe_buffer(pb); + struct nouveau_bo *bo = nouveau_bo(pb); - if (!nvpb) + if (!bo) return FALSE; - *handle = nvpb->bo->handle; + *handle = bo->handle; return TRUE; } @@ -175,12 +258,12 @@ static boolean nouveau_drm_name_from_pb(struct pipe_screen *pscreen, struct pipe_buffer *pb, unsigned *handle) { - struct nouveau_pipe_buffer *nvpb = nouveau_pipe_buffer(pb); + struct nouveau_bo *bo = nouveau_bo(pb); - if (!nvpb) + if (!bo) return FALSE; - return nouveau_bo_handle_get(nvpb->bo, handle) == 0; + return nouveau_bo_handle_get(bo, handle) == 0; } struct drm_api drm_api_hooks = { |