diff options
Diffstat (limited to 'src/mesa/drivers/dri/i965/brw_context.c')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_context.c | 114 |
1 files changed, 109 insertions, 5 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_context.c b/src/mesa/drivers/dri/i965/brw_context.c index f9623bb2a7d..a33e993f281 100644 --- a/src/mesa/drivers/dri/i965/brw_context.c +++ b/src/mesa/drivers/dri/i965/brw_context.c @@ -162,6 +162,8 @@ intelInvalidateState(struct gl_context * ctx, GLuint new_state) brw->NewGLState |= new_state; } +#define flushFront(screen) ((screen)->image.loader ? (screen)->image.loader->flushFrontBuffer : (screen)->dri2.loader->flushFrontBuffer) + static void intel_flush_front(struct gl_context *ctx) { @@ -171,8 +173,7 @@ intel_flush_front(struct gl_context *ctx) __DRIscreen *const screen = brw->intelScreen->driScrnPriv; if (brw->front_buffer_dirty && _mesa_is_winsys_fbo(ctx->DrawBuffer)) { - if (screen->dri2.loader->flushFrontBuffer != NULL && - driDrawable && + if (flushFront(screen) && driDrawable && driDrawable->loaderPrivate) { /* Resolve before flushing FAKE_FRONT_LEFT to FRONT_LEFT. @@ -185,8 +186,7 @@ intel_flush_front(struct gl_context *ctx) intel_resolve_for_dri2_flush(brw, driDrawable); intel_batchbuffer_flush(brw); - screen->dri2.loader->flushFrontBuffer(driDrawable, - driDrawable->loaderPrivate); + flushFront(screen)(driDrawable, driDrawable->loaderPrivate); /* We set the dirty bit in intel_prepare_render() if we're * front buffer rendering once we get there. @@ -1029,6 +1029,9 @@ intel_process_dri2_buffer(struct brw_context *brw, const char *buffer_name); static void +intel_update_image_buffers(struct brw_context *brw, __DRIdrawable *drawable); + +static void intel_update_dri2_buffers(struct brw_context *brw, __DRIdrawable *drawable) { struct gl_framebuffer *fb = drawable->driverPrivate; @@ -1088,6 +1091,7 @@ void intel_update_renderbuffers(__DRIcontext *context, __DRIdrawable *drawable) { struct brw_context *brw = context->driverPrivate; + __DRIscreen *screen = brw->intelScreen->driScrnPriv; /* Set this up front, so that in case our buffers get invalidated * while we're getting new buffers, we don't clobber the stamp and @@ -1097,7 +1101,10 @@ intel_update_renderbuffers(__DRIcontext *context, __DRIdrawable *drawable) if (unlikely(INTEL_DEBUG & DEBUG_DRI)) fprintf(stderr, "enter %s, drawable %p\n", __func__, drawable); - intel_update_dri2_buffers(brw, drawable); + if (screen->image.loader) + intel_update_image_buffers(brw, drawable); + else + intel_update_dri2_buffers(brw, drawable); driUpdateFramebufferSize(&brw->ctx, drawable); } @@ -1303,3 +1310,100 @@ intel_process_dri2_buffer(struct brw_context *brw, region); intel_region_release(®ion); } + +/** + * \brief Query DRI image loader to obtain a DRIdrawable's buffers. + * + * To determine which DRI buffers to request, examine the renderbuffers + * attached to the drawable's framebuffer. Then request the buffers from + * the image loader + * + * This is called from intel_update_renderbuffers(). + * + * \param drawable Drawable whose buffers are queried. + * \param buffers [out] List of buffers returned by DRI2 query. + * \param buffer_count [out] Number of buffers returned. + * + * \see intel_update_renderbuffers() + */ + +static void +intel_update_image_buffer(struct brw_context *intel, + __DRIdrawable *drawable, + struct intel_renderbuffer *rb, + __DRIimage *buffer, + enum __DRIimageBufferMask buffer_type) +{ + struct intel_region *region = buffer->region; + + if (!rb || !region) + return; + + unsigned num_samples = rb->Base.Base.NumSamples; + + if (rb->mt && + rb->mt->region && + rb->mt->region == region) + return; + + intel_miptree_release(&rb->mt); + rb->mt = intel_miptree_create_for_image_buffer(intel, + buffer_type, + intel_rb_format(rb), + num_samples, + region); +} + +static void +intel_update_image_buffers(struct brw_context *brw, __DRIdrawable *drawable) +{ + struct gl_framebuffer *fb = drawable->driverPrivate; + __DRIscreen *screen = brw->intelScreen->driScrnPriv; + struct intel_renderbuffer *front_rb; + struct intel_renderbuffer *back_rb; + struct __DRIimageList images; + unsigned int format; + uint32_t buffer_mask = 0; + + front_rb = intel_get_renderbuffer(fb, BUFFER_FRONT_LEFT); + back_rb = intel_get_renderbuffer(fb, BUFFER_BACK_LEFT); + + if (back_rb) + format = intel_rb_format(back_rb); + else if (front_rb) + format = intel_rb_format(front_rb); + else + return; + + if ((brw->is_front_buffer_rendering || brw->is_front_buffer_reading || !back_rb) && front_rb) + buffer_mask |= __DRI_IMAGE_BUFFER_FRONT; + + if (back_rb) + buffer_mask |= __DRI_IMAGE_BUFFER_BACK; + + (*screen->image.loader->getBuffers) (drawable, + driGLFormatToImageFormat(format), + &drawable->dri2.stamp, + drawable->loaderPrivate, + buffer_mask, + &images); + + if (images.image_mask & __DRI_IMAGE_BUFFER_FRONT) { + drawable->w = images.front->width; + drawable->h = images.front->height; + intel_update_image_buffer(brw, + drawable, + front_rb, + images.front, + __DRI_IMAGE_BUFFER_FRONT); + } + if (images.image_mask & __DRI_IMAGE_BUFFER_BACK) { + drawable->w = images.back->width; + drawable->h = images.back->height; + intel_update_image_buffer(brw, + drawable, + back_rb, + images.back, + __DRI_IMAGE_BUFFER_BACK); + } +} |