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path: root/src/gallium/winsys/drm/nouveau/drm/nouveau_drm_api.c
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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.c192
1 files changed, 140 insertions, 52 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..3167ccfdc1 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 +1,84 @@
+#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 drm_api *api, 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 = api->buffer_from_handle(api, 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)
+nouveau_drm_create_screen(struct drm_api *api, 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 +113,53 @@ 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(api, 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)
+nouveau_drm_create_context(struct drm_api *api, 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) {
@@ -106,81 +190,80 @@ 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
-nouveau_drm_pb_from_pt(struct pipe_texture *pt, struct pipe_buffer **ppb,
- unsigned *stride)
+nouveau_drm_pb_from_pt(struct drm_api *api, struct pipe_texture *pt,
+ struct pipe_buffer **ppb, unsigned *stride)
{
return false;
}
static struct pipe_buffer *
-nouveau_drm_pb_from_handle(struct pipe_screen *pscreen, const char *name,
- unsigned handle)
+nouveau_drm_pb_from_handle(struct drm_api *api, 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)
+nouveau_drm_handle_from_pb(struct drm_api *api, 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;
}
static boolean
-nouveau_drm_name_from_pb(struct pipe_screen *pscreen, struct pipe_buffer *pb,
- unsigned *handle)
+nouveau_drm_name_from_pb(struct drm_api *api, 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 = {
@@ -192,3 +275,8 @@ struct drm_api drm_api_hooks = {
.global_handle_from_buffer = nouveau_drm_name_from_pb,
};
+struct drm_api *
+drm_api_create() {
+ return &drm_api_hooks;
+}
+
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-27 01:26:08 +0000