diff options
Diffstat (limited to 'lib/intel_gpu_tools.c')
| -rw-r--r-- | lib/intel_gpu_tools.c | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/lib/intel_gpu_tools.c b/lib/intel_gpu_tools.c new file mode 100644 index 0000000..6c85d2a --- /dev/null +++ b/lib/intel_gpu_tools.c @@ -0,0 +1,154 @@ +/* + * Copyright © 2008 Intel Corporation + * + * 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, sublicense, + * 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 NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS 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. + * + * Authors: + * Eric Anholt <eric@anholt.net> + * + */ + +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <err.h> +#include <assert.h> +#include <sys/ioctl.h> +#include "intel_gpu_tools.h" +#include "i915_drm.h" +#include "intel_batchbuffer.h" +#include "intel_chipset.h" + +struct pci_device *pci_dev; +uint32_t devid; +void *mmio; + +void +intel_get_drm_devid(int fd) +{ + int ret; + struct drm_i915_getparam gp; + + gp.param = I915_PARAM_CHIPSET_ID; + gp.value = (int *)&devid; + + ret = ioctl(fd, DRM_IOCTL_I915_GETPARAM, &gp, sizeof(gp)); + assert(ret == 0); +} + +void +intel_get_pci_device(void) +{ + int err; + + err = pci_system_init(); + if (err != 0) { + fprintf(stderr, "Couldn't initialize PCI system: %s\n", + strerror(err)); + exit(1); + } + + /* Grab the graphics card */ + pci_dev = pci_device_find_by_slot(0, 0, 2, 0); + if (pci_dev == NULL) + errx(1, "Couldn't find graphics card"); + + err = pci_device_probe(pci_dev); + if (err != 0) { + fprintf(stderr, "Couldn't probe graphics card: %s\n", + strerror(err)); + exit(1); + } + + if (pci_dev->vendor_id != 0x8086) + errx(1, "Graphics card is non-intel"); + devid = pci_dev->device_id; +} + +void +intel_get_mmio(void) +{ + int mmio_bar; + int err; + + intel_get_pci_device(); + + if (IS_9XX(devid)) + mmio_bar = 0; + else + mmio_bar = 1; + + err = pci_device_map_range (pci_dev, + pci_dev->regions[mmio_bar].base_addr, + pci_dev->regions[mmio_bar].size, + PCI_DEV_MAP_FLAG_WRITABLE, + &mmio); + + if (err != 0) { + fprintf(stderr, "Couldn't map MMIO region: %s\n", + strerror(err)); + exit(1); + } +} + +void +intel_copy_bo(struct intel_batchbuffer *batch, + drm_intel_bo *dst_bo, drm_intel_bo *src_bo, + int width, int height) +{ + uint32_t src_tiling, dst_tiling, swizzle; + uint32_t src_pitch, dst_pitch; + uint32_t cmd_bits = 0; + + drm_intel_bo_get_tiling(src_bo, &src_tiling, &swizzle); + drm_intel_bo_get_tiling(dst_bo, &dst_tiling, &swizzle); + + src_pitch = width * 4; + if (IS_965(devid) && src_tiling != I915_TILING_NONE) { + src_pitch /= 4; + cmd_bits |= XY_SRC_COPY_BLT_SRC_TILED; + } + + dst_pitch = width * 4; + if (IS_965(devid) && dst_tiling != I915_TILING_NONE) { + dst_pitch /= 4; + cmd_bits |= XY_SRC_COPY_BLT_DST_TILED; + } + + BEGIN_BATCH(8); + OUT_BATCH(XY_SRC_COPY_BLT_CMD | + XY_SRC_COPY_BLT_WRITE_ALPHA | + XY_SRC_COPY_BLT_WRITE_RGB | + cmd_bits); + OUT_BATCH((3 << 24) | /* 32 bits */ + (0xcc << 16) | /* copy ROP */ + dst_pitch); + OUT_BATCH(0); /* dst x1,y1 */ + OUT_BATCH((height << 16) | width); /* dst x2,y2 */ + OUT_RELOC(dst_bo, I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER, 0); + OUT_BATCH(0); /* src x1,y1 */ + OUT_BATCH(src_pitch); + OUT_RELOC(src_bo, I915_GEM_DOMAIN_RENDER, 0, 0); + ADVANCE_BATCH(); + + intel_batchbuffer_flush(batch); +} + + |