diff options
Diffstat (limited to 'src/gallium/winsys/drm/radeon/core/radeon_r300.c')
-rw-r--r-- | src/gallium/winsys/drm/radeon/core/radeon_r300.c | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/src/gallium/winsys/drm/radeon/core/radeon_r300.c b/src/gallium/winsys/drm/radeon/core/radeon_r300.c new file mode 100644 index 0000000000..c7b6813014 --- /dev/null +++ b/src/gallium/winsys/drm/radeon/core/radeon_r300.c @@ -0,0 +1,99 @@ +/* + * Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com> + * + * 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 + * on 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 + * THE AUTHOR(S) AND/OR THEIR 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 "radeon_r300.h" + +static boolean radeon_r300_check_cs(struct radeon_cs* cs, int size) +{ + /* XXX check size here, lazy ass! */ + return TRUE; +} + +static void radeon_r300_write_cs_reloc(struct radeon_cs* cs, + struct pipe_buffer* pbuffer, + uint32_t rd, + uint32_t wd, + uint32_t flags) +{ + radeon_cs_write_reloc(cs, ((struct radeon_pipe_buffer*)pbuffer)->bo, rd, wd, flags); +} + +static void radeon_r300_flush_cs(struct radeon_cs* cs) +{ + radeon_cs_emit(cs); + radeon_cs_erase(cs); +} + +/* Helper function to do the ioctls needed for setup and init. */ +static void do_ioctls(struct r300_winsys* winsys, int fd) +{ + drm_radeon_getparam_t gp; + uint32_t target; + int retval; + + /* XXX is this cast safe? */ + gp.value = (int*)⌖ + + /* First, get PCI ID */ + gp.param = RADEON_PARAM_DEVICE_ID; + retval = drmCommandWriteRead(fd, DRM_RADEON_GETPARAM, &gp, sizeof(gp)); + if (retval) { + fprintf(stderr, "%s: Failed to get PCI ID, error number %d", + __FUNCTION__, retval); + exit(1); + } + winsys->pci_id = target; + + /* Then, get the number of pixel pipes */ + gp.param = RADEON_PARAM_NUM_GB_PIPES; + retval = drmCommandWriteRead(fd, DRM_RADEON_GETPARAM, &gp, sizeof(gp)); + if (retval) { + fprintf(stderr, "%s: Failed to get GB pipe count, error number %d", + __FUNCTION__, retval); + exit(1); + } + winsys->gb_pipes = target; + +} + +struct r300_winsys* +radeon_create_r300_winsys(int fd, struct radeon_winsys* old_winsys) +{ + struct r300_winsys* winsys = CALLOC_STRUCT(r300_winsys); + + do_ioctls(winsys, fd); + + struct radeon_cs_manager* csm = radeon_cs_manager_gem_ctor(fd); + + winsys->cs = radeon_cs_create(csm, 1024 * 64 / 4); + + winsys->check_cs = radeon_r300_check_cs; + winsys->begin_cs = radeon_cs_begin; + winsys->write_cs_dword = radeon_cs_write_dword; + winsys->write_cs_reloc = radeon_r300_write_cs_reloc; + winsys->end_cs = radeon_cs_end; + winsys->flush_cs = radeon_r300_flush_cs; + + memcpy(winsys, old_winsys, sizeof(struct radeon_winsys)); + + return winsys; +} |