intel_swapbuffers.c File Reference

Include dependency graph for intel_swapbuffers.c:

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Functions
static void	intel_display_surface (struct egl_drm_drawable *draw, struct pipe_surface *surf)
void	intel_swap_buffers (struct egl_drm_drawable *draw)

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Function Documentation

static void intel_display_surface	(	struct egl_drm_drawable *	draw,
		struct pipe_surface *	surf
	)			[static]

Definition at line 62 of file intel_swapbuffers.c.

References intel_context::base, intel_be_context::batch, BEGIN_BATCH, BR13(), pipe_surface::buffer, intel_framebuffer::device, dri_bo(), driFenceUnReference(), intel_device::dummy, intel_framebuffer::front, intel_framebuffer::front_buffer, egl_drm_frontbuffer::height, intel_be_batchbuffer_finish(), intel_be_batchbuffer_flush(), OUT_BATCH, OUT_RELOC, egl_drm_frontbuffer::pitch, egl_drm_drawable::priv, pipe_surface::stride, egl_drm_frontbuffer::width, XY_SRC_COPY_BLT_CMD, XY_SRC_COPY_BLT_WRITE_ALPHA, and XY_SRC_COPY_BLT_WRITE_RGB.

{
        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);
}

void intel_swap_buffers

(

struct egl_drm_drawable *

draw

)

Definition at line 44 of file intel_swapbuffers.c.

References assert, intel_framebuffer::front, intel_display_surface(), egl_drm_drawable::priv, st_get_framebuffer_surface(), st_notify_swapbuffers(), st_notify_swapbuffers_complete(), ST_SURFACE_BACK_LEFT, and intel_framebuffer::stfb.

{
        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);
        }
}

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