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#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <assert.h>
#include "intel_batchbuffer.h"
#define STATE_ALIGN 64
extern int gen6_setup_null_render_state(struct intel_batchbuffer *batch);
extern int gen7_setup_null_render_state(struct intel_batchbuffer *batch);
extern int gen8_setup_null_render_state(struct intel_batchbuffer *batch);
static void print_usage(char *s)
{
fprintf(stderr, "%s: <gen>\n"
" gen: gen to generate for (6,7,8)\n",
s);
}
static int is_reloc(struct intel_batchbuffer *batch, uint32_t offset)
{
int i;
for (i = 0; i < batch->num_relocs; i++)
if (batch->relocs[i] == offset)
return 1;
return 0;
}
static int print_state(int gen, struct intel_batchbuffer *batch)
{
int i;
printf("#include \"intel_renderstate.h\"\n\n");
printf("static const u32 gen%d_null_state_relocs[] = {\n", gen);
for (i = 0; i < batch->num_relocs; i++) {
printf("\t0x%08x,\n", batch->relocs[i]);
}
printf("};\n\n");
printf("static const u32 gen%d_null_state_batch[] = {\n", gen);
for (i = 0; i < batch->size; i += 4) {
const uint32_t *p = (void *)batch->base + i;
printf("\t0x%08x,", *p);
if (i == intel_batch_cmds_used(batch) - 4)
printf("\t /* cmds end */");
if (i == intel_batch_state_start(batch))
printf("\t /* state start */");
if (i == intel_batch_state_start(batch) +
intel_batch_state_used(batch) - 4)
printf("\t /* state end */");
if (is_reloc(batch, i))
printf("\t /* reloc */");
printf("\n");
}
printf("};\n\nRO_RENDERSTATE(%d);\n", gen);
return 0;
}
static int do_generate(int gen)
{
int initial_size = 8192;
struct intel_batchbuffer batch;
void *p;
int ret = -EINVAL;
uint32_t cmd_len, state_len, size;
int (*null_state_gen)(struct intel_batchbuffer *batch) = NULL;
p = malloc(initial_size);
if (p == NULL)
return -ENOMEM;
assert(ALIGN(initial_size/2, STATE_ALIGN) == initial_size/2);
ret = intel_batch_reset(&batch, p, initial_size, initial_size/2);
if (ret)
goto out;
switch (gen) {
case 6:
null_state_gen = gen6_setup_null_render_state;
break;
case 7:
null_state_gen = gen7_setup_null_render_state;
break;
case 8:
null_state_gen = gen8_setup_null_render_state;
break;
}
if (null_state_gen == NULL) {
printf("no generator found for %d\n", gen);
ret = -EINVAL;
goto out;
}
ret = null_state_gen(&batch);
if (ret < 0)
goto out;
cmd_len = intel_batch_cmds_used(&batch);
state_len = intel_batch_state_used(&batch);
size = cmd_len + state_len + ALIGN(cmd_len, STATE_ALIGN) - cmd_len;
ret = intel_batch_reset(&batch, p, size, ALIGN(cmd_len, STATE_ALIGN));
if (ret)
goto out;
ret = null_state_gen(&batch);
if (ret < 0)
goto out;
assert(cmd_len == intel_batch_cmds_used(&batch));
assert(state_len == intel_batch_state_used(&batch));
assert(size == ret);
/* Batch buffer needs to end */
assert(*(uint32_t *)(p + cmd_len - 4) == (0xA << 23));
ret = print_state(gen, &batch);
out:
free(p);
if (ret < 0)
return ret;
return 0;
}
int main(int argc, char *argv[])
{
if (argc != 2) {
print_usage(argv[0]);
return 1;
}
return do_generate(atoi(argv[1]));
}
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