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https://github.com/tiagovignatti/intel-gpu-tools.git
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4227da8c3c
As signals cause the syscalls to be interrupted, we often need to clean up partial state before returning to userspace. Often a source of unamusing bugs, so encourage gem_stress to provoke them. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
101 lines
2.3 KiB
C
101 lines
2.3 KiB
C
#include <stdlib.h>
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#include <sys/ioctl.h>
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#include <stdio.h>
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#include <string.h>
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#include <assert.h>
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#include <fcntl.h>
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#include <inttypes.h>
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#include <errno.h>
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#include <sys/stat.h>
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#include <sys/time.h>
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#include <getopt.h>
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#include "drm.h"
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#include "i915_drm.h"
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#include "drmtest.h"
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#include "intel_bufmgr.h"
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#include "intel_batchbuffer.h"
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#include "intel_gpu_tools.h"
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struct scratch_buf {
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drm_intel_bo *bo;
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uint32_t stride;
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uint32_t tiling;
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uint32_t *data;
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uint32_t *cpu_mapping;
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unsigned num_tiles;
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};
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struct option_struct {
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unsigned scratch_buf_size;
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unsigned max_dimension;
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unsigned num_buffers;
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int trace_tile;
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int no_hw;
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int gpu_busy_load;
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int use_render;
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int use_blt;
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int forced_tiling;
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int use_cpu_maps;
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int total_rounds;
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int fail;
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int tiles_per_buf;
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int ducttape;
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int tile_size;
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int check_render_cpyfn;
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int use_signal_helper;
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};
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extern struct option_struct options;
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extern drm_intel_bufmgr *bufmgr;
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extern struct intel_batchbuffer *batch;
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extern int drm_fd;
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extern int devid;
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extern int fence_storm;
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#define MAX_BUFS 4096
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#define SCRATCH_BUF_SIZE 1024*1024
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#define BUSY_BUF_SIZE (256*4096)
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#define TILE_BYTES(size) ((size)*(size)*sizeof(uint32_t))
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void keep_gpu_busy(void);
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static inline void emit_vertex_2s(int16_t x, int16_t y)
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{
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OUT_BATCH((uint16_t)y << 16 | (uint16_t)x);
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}
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static inline void emit_vertex(float f)
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{
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union { float f; uint32_t ui; } u;
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u.f = f;
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OUT_BATCH(u.ui);
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}
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static inline void emit_vertex_normalized(float f, float total)
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{
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union { float f; uint32_t ui; } u;
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u.f = f / total;
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OUT_BATCH(u.ui);
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}
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static inline unsigned buf_width(struct scratch_buf *buf)
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{
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return buf->stride/sizeof(uint32_t);
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}
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static inline unsigned buf_height(struct scratch_buf *buf)
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{
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return options.scratch_buf_size/buf->stride;
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}
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void gen6_render_copyfunc(struct scratch_buf *src, unsigned src_x, unsigned src_y,
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struct scratch_buf *dst, unsigned dst_x, unsigned dst_y,
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unsigned logical_tile_no);
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void gen3_render_copyfunc(struct scratch_buf *src, unsigned src_x, unsigned src_y,
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struct scratch_buf *dst, unsigned dst_x, unsigned dst_y,
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unsigned logical_tile_no);
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void gen2_render_copyfunc(struct scratch_buf *src, unsigned src_x, unsigned src_y,
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struct scratch_buf *dst, unsigned dst_x, unsigned dst_y,
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unsigned logical_tile_no);
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