2009-07-13 22:58:45 +01:00
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/*
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2009-02-27 18:52:49 +00:00
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* Copyright © 2009 Corbin Simpson
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* All Rights Reserved.
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2009-07-13 22:58:45 +01:00
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*
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2009-02-27 18:52:49 +00:00
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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2009-07-13 22:58:45 +01:00
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*
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2009-02-27 18:52:49 +00:00
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NON-INFRINGEMENT. IN NO EVENT SHALL THE COPYRIGHT HOLDERS, AUTHORS
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* AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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2009-07-13 22:58:45 +01:00
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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2009-02-27 18:52:49 +00:00
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* USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*/
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/*
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* Authors:
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* Corbin Simpson <MostAwesomeDude@gmail.com>
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2009-08-28 19:05:52 +01:00
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* Joakim Sindholt <opensource@zhasha.com>
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2009-02-27 18:52:49 +00:00
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*/
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2009-03-04 05:14:33 +00:00
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2009-12-07 07:50:31 +00:00
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#include "softpipe/sp_winsys.h"
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2009-02-27 18:52:49 +00:00
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#include "radeon_drm.h"
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2009-07-23 15:05:21 +01:00
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2009-12-02 20:31:04 +00:00
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/* Helper function to do the ioctls needed for setup and init. */
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static void do_ioctls(int fd, struct radeon_winsys* winsys)
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{
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struct drm_radeon_gem_info gem_info = {0};
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struct drm_radeon_info info = {0};
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int target = 0;
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int retval;
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info.value = (unsigned long)⌖
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/* We do things in a specific order here.
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*
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* First, the PCI ID. This is essential and should return usable numbers
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* for all Radeons. If this fails, we probably got handed an FD for some
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* non-Radeon card.
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*
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* The GB and Z pipe requests should always succeed, but they might not
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* return sensical values for all chipsets, but that's alright because
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* the pipe drivers already know that.
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*
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* The GEM info is actually bogus on the kernel side, as well as our side
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* (see radeon_gem_info_ioctl in radeon_gem.c) but that's alright because
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* we don't actually use the info for anything yet.
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* XXX update the above when we can safely use vram_size instead of vram_visible */
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info.request = RADEON_INFO_DEVICE_ID;
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retval = drmCommandWriteRead(fd, DRM_RADEON_INFO, &info, sizeof(info));
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if (retval) {
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fprintf(stderr, "%s: Failed to get PCI ID, "
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"error number %d\n", __FUNCTION__, retval);
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exit(1);
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}
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winsys->pci_id = target;
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info.request = RADEON_INFO_NUM_GB_PIPES;
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retval = drmCommandWriteRead(fd, DRM_RADEON_INFO, &info, sizeof(info));
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if (retval) {
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fprintf(stderr, "%s: Failed to get GB pipe count, "
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"error number %d\n", __FUNCTION__, retval);
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exit(1);
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}
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winsys->gb_pipes = target;
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info.request = RADEON_INFO_NUM_Z_PIPES;
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retval = drmCommandWriteRead(fd, DRM_RADEON_INFO, &info, sizeof(info));
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if (retval) {
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fprintf(stderr, "%s: Failed to get Z pipe count, "
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"error number %d\n", __FUNCTION__, retval);
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exit(1);
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}
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winsys->z_pipes = target;
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retval = drmCommandWriteRead(fd, DRM_RADEON_GEM_INFO,
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&gem_info, sizeof(gem_info));
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if (retval) {
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fprintf(stderr, "%s: Failed to get MM info, error number %d\n",
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__FUNCTION__, retval);
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exit(1);
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}
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winsys->gart_size = gem_info.gart_size;
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/* XXX */
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winsys->vram_size = gem_info.vram_visible;
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}
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2009-12-02 20:42:58 +00:00
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/* Guess at whether this chipset should use r300g.
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*
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* I believe that this check is valid, but I haven't been exhaustive. */
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static boolean is_r3xx(int pciid)
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{
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return (pciid > 0x3150) && (pciid < 0x796f);
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}
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2009-03-04 05:14:33 +00:00
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/* Create a pipe_screen. */
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2009-07-02 06:33:17 +01:00
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struct pipe_screen* radeon_create_screen(struct drm_api* api,
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int drmFB,
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2009-08-28 19:05:52 +01:00
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struct drm_create_screen_arg *arg)
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2009-03-04 05:14:33 +00:00
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{
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2009-12-07 07:55:58 +00:00
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struct radeon_winsys* rwinsys = radeon_pipe_winsys(drmFB);
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do_ioctls(drmFB, rwinsys);
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2009-03-04 05:14:33 +00:00
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2009-12-07 07:55:58 +00:00
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if (!is_r3xx(rwinsys->pci_id) ||
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debug_get_bool_option("RADEON_SOFTPIPE", FALSE)) {
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return softpipe_create_screen((struct pipe_winsys*)rwinsys);
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2009-03-04 05:14:33 +00:00
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} else {
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2009-12-07 07:55:58 +00:00
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radeon_setup_winsys(drmFB, rwinsys);
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return r300_create_screen(rwinsys);
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2009-03-04 05:14:33 +00:00
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}
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}
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/* Create a pipe_context. */
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2009-07-02 06:33:17 +01:00
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struct pipe_context* radeon_create_context(struct drm_api* api,
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struct pipe_screen* screen)
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2009-03-04 05:14:33 +00:00
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{
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2009-12-07 07:55:58 +00:00
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struct radeon_winsys* rwinsys = (struct radeon_winsys*)screen->winsys;
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if (!is_r3xx(rwinsys->pci_id) ||
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debug_get_bool_option("RADEON_SOFTPIPE", FALSE)) {
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2009-12-07 07:50:31 +00:00
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return softpipe_create(screen);
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2009-03-04 05:14:33 +00:00
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} else {
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2009-12-07 07:55:58 +00:00
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return r300_create_context(screen, rwinsys);
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2009-03-04 05:14:33 +00:00
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}
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}
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2009-07-02 06:33:17 +01:00
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boolean radeon_buffer_from_texture(struct drm_api* api,
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struct pipe_texture* texture,
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2009-03-04 05:14:33 +00:00
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struct pipe_buffer** buffer,
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unsigned* stride)
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{
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2009-07-02 06:33:17 +01:00
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/* XXX fix this */
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return r300_get_texture_buffer(texture, buffer, stride);
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2009-03-04 05:14:33 +00:00
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}
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/* Create a buffer from a handle. */
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/* XXX what's up with name? */
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2009-07-02 06:33:17 +01:00
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struct pipe_buffer* radeon_buffer_from_handle(struct drm_api* api,
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struct pipe_screen* screen,
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2009-03-04 05:14:33 +00:00
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const char* name,
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unsigned handle)
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{
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2009-03-04 06:11:56 +00:00
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struct radeon_bo_manager* bom =
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2009-05-01 13:54:53 +01:00
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((struct radeon_winsys*)screen->winsys)->priv->bom;
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2009-03-04 05:14:33 +00:00
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struct radeon_pipe_buffer* radeon_buffer;
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struct radeon_bo* bo = NULL;
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bo = radeon_bo_open(bom, handle, 0, 0, 0, 0);
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if (bo == NULL) {
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return NULL;
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}
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radeon_buffer = CALLOC_STRUCT(radeon_pipe_buffer);
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if (radeon_buffer == NULL) {
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radeon_bo_unref(bo);
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return NULL;
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}
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2009-03-04 10:58:48 +00:00
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pipe_reference_init(&radeon_buffer->base.reference, 1);
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radeon_buffer->base.screen = screen;
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2009-03-04 05:14:33 +00:00
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radeon_buffer->base.usage = PIPE_BUFFER_USAGE_PIXEL;
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radeon_buffer->bo = bo;
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return &radeon_buffer->base;
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}
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2009-09-06 17:12:14 +01:00
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static struct pipe_texture*
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2009-08-28 16:13:49 +01:00
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radeon_texture_from_shared_handle(struct drm_api *api,
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struct pipe_screen *screen,
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struct pipe_texture *templ,
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const char *name,
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unsigned stride,
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unsigned handle)
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2009-03-04 05:14:33 +00:00
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{
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2009-08-28 16:13:49 +01:00
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struct pipe_buffer *buffer;
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2009-10-03 16:56:51 +01:00
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struct pipe_texture *blanket;
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2009-08-28 16:13:49 +01:00
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2009-08-28 19:05:52 +01:00
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buffer = radeon_buffer_from_handle(api, screen, name, handle);
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if (!buffer) {
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2009-08-28 16:13:49 +01:00
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return NULL;
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2009-08-28 19:05:52 +01:00
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}
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2009-08-28 16:13:49 +01:00
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2009-10-03 16:56:51 +01:00
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blanket = screen->texture_blanket(screen, templ, &stride, buffer);
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pipe_buffer_reference(&buffer, NULL);
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return blanket;
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2009-03-04 05:14:33 +00:00
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}
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2009-09-06 17:12:14 +01:00
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static boolean radeon_shared_handle_from_texture(struct drm_api *api,
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struct pipe_screen *screen,
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struct pipe_texture *texture,
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unsigned *stride,
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unsigned *handle)
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2009-03-04 05:14:33 +00:00
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{
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2009-07-05 19:55:47 +01:00
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int retval, fd;
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struct drm_gem_flink flink;
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2009-08-28 16:13:49 +01:00
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struct radeon_pipe_buffer* radeon_buffer;
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2009-09-06 17:12:14 +01:00
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struct pipe_buffer *buffer;
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if (!radeon_buffer_from_texture(api, texture, &buffer, stride)) {
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2009-08-28 16:13:49 +01:00
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return FALSE;
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}
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2009-07-05 19:55:47 +01:00
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2009-09-06 17:12:14 +01:00
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radeon_buffer = (struct radeon_pipe_buffer*)buffer;
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2009-07-05 19:55:47 +01:00
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if (!radeon_buffer->flinked) {
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fd = ((struct radeon_winsys*)screen->winsys)->priv->fd;
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flink.handle = radeon_buffer->bo->handle;
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retval = ioctl(fd, DRM_IOCTL_GEM_FLINK, &flink);
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if (retval) {
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debug_printf("radeon: DRM_IOCTL_GEM_FLINK failed, error %d\n",
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retval);
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return FALSE;
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}
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radeon_buffer->flink = flink.name;
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radeon_buffer->flinked = TRUE;
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}
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*handle = radeon_buffer->flink;
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2009-03-04 06:11:56 +00:00
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return TRUE;
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2009-03-04 05:14:33 +00:00
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}
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2009-09-06 17:12:14 +01:00
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static boolean radeon_local_handle_from_texture(struct drm_api *api,
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struct pipe_screen *screen,
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struct pipe_texture *texture,
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unsigned *stride,
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unsigned *handle)
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2009-08-28 16:13:49 +01:00
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{
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struct pipe_buffer *buffer;
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if (!radeon_buffer_from_texture(api, texture, &buffer, stride)) {
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return FALSE;
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}
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*handle = ((struct radeon_pipe_buffer*)buffer)->bo->handle;
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pipe_buffer_reference(&buffer, NULL);
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return TRUE;
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}
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2009-03-04 05:14:33 +00:00
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struct drm_api drm_api_hooks = {
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.create_screen = radeon_create_screen,
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.create_context = radeon_create_context,
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2009-08-28 16:13:49 +01:00
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.texture_from_shared_handle = radeon_texture_from_shared_handle,
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.shared_handle_from_texture = radeon_shared_handle_from_texture,
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.local_handle_from_texture = radeon_local_handle_from_texture,
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2009-03-04 06:11:56 +00:00
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};
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2009-07-02 06:33:17 +01:00
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struct drm_api* drm_api_create()
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{
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2009-07-02 14:05:51 +01:00
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#ifdef DEBUG
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return trace_drm_create(&drm_api_hooks);
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#else
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2009-07-02 06:33:17 +01:00
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return &drm_api_hooks;
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2009-07-02 14:05:51 +01:00
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#endif
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2009-07-02 06:33:17 +01:00
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}
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