+++ /dev/null
-#ifndef _NOUVEAU_DRI_
-#define _NOUVEAU_DRI_
-
-#include "xf86drm.h"
-#include "drm.h"
-#include "nouveau_drm.h"
-
-struct nouveau_dri {
- uint32_t device_id; /**< \brief PCI device ID */
- uint32_t width; /**< \brief width in pixels of display */
- uint32_t height; /**< \brief height in scanlines of display */
- uint32_t depth; /**< \brief depth of display (8, 15, 16, 24) */
- uint32_t bpp; /**< \brief bit depth of display (8, 16, 24, 32) */
-
- uint32_t bus_type; /**< \brief ths bus type */
- uint32_t bus_mode; /**< \brief bus mode (used for AGP, maybe also for PCI-E ?) */
-
- uint32_t front_offset; /**< \brief front buffer offset */
- uint32_t front_pitch; /**< \brief front buffer pitch */
- uint32_t back_offset; /**< \brief private back buffer offset */
- uint32_t back_pitch; /**< \brief private back buffer pitch */
- uint32_t depth_offset; /**< \brief private depth buffer offset */
- uint32_t depth_pitch; /**< \brief private depth buffer pitch */
-
-};
-
-#endif
-
--- /dev/null
+#ifndef _NOUVEAU_DRI_
+#define _NOUVEAU_DRI_
+
+#include "xf86drm.h"
+#include "drm.h"
+#include "nouveau_drm.h"
+
+struct nouveau_dri {
+ uint32_t device_id; /**< \brief PCI device ID */
+ uint32_t width; /**< \brief width in pixels of display */
+ uint32_t height; /**< \brief height in scanlines of display */
+ uint32_t depth; /**< \brief depth of display (8, 15, 16, 24) */
+ uint32_t bpp; /**< \brief bit depth of display (8, 16, 24, 32) */
+
+ uint32_t bus_type; /**< \brief ths bus type */
+ uint32_t bus_mode; /**< \brief bus mode (used for AGP, maybe also for PCI-E ?) */
+
+ uint32_t front_offset; /**< \brief front buffer offset */
+ uint32_t front_pitch; /**< \brief front buffer pitch */
+ uint32_t back_offset; /**< \brief private back buffer offset */
+ uint32_t back_pitch; /**< \brief private back buffer pitch */
+ uint32_t depth_offset; /**< \brief private depth buffer offset */
+ uint32_t depth_pitch; /**< \brief private depth buffer pitch */
+
+};
+
+#endif
+
#include "nouveau_channel.h"
#include "nouveau_bo.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_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 dri1_create_screen_arg *dri1 = (void *)arg;
struct pipe_winsys *ws;
struct nouveau_winsys *nvws;
struct nouveau_device *dev = NULL;
return NULL;
}
+ if (arg->mode == DRM_CREATE_DRI1) {
+ struct nouveau_pipe_winsys *nvpws = nouveau_pipe_winsys(ws);
+ 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;
+
+ nvpws->front = dri_surface_from_handle(nvpws->pscreen,
+ nvdri->front_offset,
+ format,
+ nvdri->width,
+ nvdri->height,
+ nvdri->front_pitch *
+ (nvdri->bpp / 8));
+ if (!nvpws->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;
}
projects / mesa.git / commitdiff