diff options
Diffstat (limited to 'src/gallium/winsys/drm/intel/egl/intel_swapbuffers.c')
-rw-r--r-- | src/gallium/winsys/drm/intel/egl/intel_swapbuffers.c | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/src/gallium/winsys/drm/intel/egl/intel_swapbuffers.c b/src/gallium/winsys/drm/intel/egl/intel_swapbuffers.c new file mode 100644 index 0000000..2edcbc7 --- /dev/null +++ b/src/gallium/winsys/drm/intel/egl/intel_swapbuffers.c @@ -0,0 +1,111 @@ +/************************************************************************** + * + * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#include "intel_device.h" +#include "intel_context.h" +#include "intel_batchbuffer.h" +#include "intel_reg.h" + +#include "pipe/p_context.h" +#include "state_tracker/st_public.h" +#include "state_tracker/st_context.h" +#include "state_tracker/st_cb_fbo.h" +#include "intel_egl.h" + + +static void +intel_display_surface(struct egl_drm_drawable *draw, + struct pipe_surface *surf); + +void intel_swap_buffers(struct egl_drm_drawable *draw) +{ + struct intel_framebuffer *intel_fb = (struct intel_framebuffer *)draw->priv; + struct pipe_surface *back_surf; + + assert(intel_fb); + assert(intel_fb->stfb); + + back_surf = st_get_framebuffer_surface(intel_fb->stfb, ST_SURFACE_BACK_LEFT); + if (back_surf) { + st_notify_swapbuffers(intel_fb->stfb); + if (intel_fb->front) + intel_display_surface(draw, back_surf); + st_notify_swapbuffers_complete(intel_fb->stfb); + } +} + +static void +intel_display_surface(struct egl_drm_drawable *draw, + struct pipe_surface *surf) +{ + struct intel_context *intel = NULL; + struct intel_framebuffer *intel_fb = (struct intel_framebuffer *)draw->priv; + struct _DriFenceObject *fence; + + //const int srcWidth = surf->width; + //const int srcHeight = surf->height; + + intel = intel_fb->device->dummy; + if (!intel) { + printf("No dummy context\n"); + return; + } + + const int dstWidth = intel_fb->front->width; + const int dstHeight = intel_fb->front->height; + const int dstPitch = intel_fb->front->pitch / 4;//draw->front.cpp; + + const int cpp = 4;//intel_fb->front->cpp; + const int srcPitch = surf->stride / cpp; + + int BR13, CMD; + //int i; + + BR13 = (dstPitch * cpp) | (0xCC << 16) | (1 << 24) | (1 << 25); + CMD = (XY_SRC_COPY_BLT_CMD | XY_SRC_COPY_BLT_WRITE_ALPHA | + XY_SRC_COPY_BLT_WRITE_RGB); + + BEGIN_BATCH(8, 2); + OUT_BATCH(CMD); + OUT_BATCH(BR13); + OUT_BATCH((0 << 16) | 0); + OUT_BATCH((dstHeight << 16) | dstWidth); + + OUT_RELOC(intel_fb->front_buffer, + DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_WRITE, + DRM_BO_MASK_MEM | DRM_BO_FLAG_WRITE, 0); + + OUT_BATCH((0 << 16) | 0); + OUT_BATCH((srcPitch * cpp) & 0xffff); + OUT_RELOC(dri_bo(surf->buffer), + DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_READ, + DRM_BO_MASK_MEM | DRM_BO_FLAG_READ, 0); + + fence = intel_be_batchbuffer_flush(intel->base.batch); + driFenceUnReference(&fence); + intel_be_batchbuffer_finish(intel->base.batch); +} |