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r600g: handle start_component from stream_output_info when possible

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This commit is contained in:
Marek Olšák 2012-01-25 03:28:23 +01:00
parent 15146fd1bc
commit 8ec05f06cb
1 changed files with 4 additions and 4 deletions
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8
src/gallium/drivers/r600/r600_shader.c
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@ -1041,8 +1041,8 @@ static int r600_shader_from_tgsi(struct r600_pipe_context * rctx, struct r600_pi
r = -EINVAL;
goto out_err;
}
if (so.output[i].start_component) {
R600_ERR("stream_output - start_component cannot be non-zero\n");
if (so.output[i].dst_offset < so.output[i].start_component) {
R600_ERR("stream_output - dst_offset cannot be less than start_component\n");
r = -EINVAL;
goto out_err;
}
@ -1050,14 +1050,14 @@ static int r600_shader_from_tgsi(struct r600_pipe_context * rctx, struct r600_pi
memset(&output, 0, sizeof(struct r600_bytecode_output));
output.gpr = shader->output[so.output[i].register_index].gpr;
output.elem_size = 0;
output.array_base = so.output[i].dst_offset;
output.array_base = so.output[i].dst_offset - so.output[i].start_component;
output.type = V_SQ_CF_ALLOC_EXPORT_WORD0_SQ_EXPORT_WRITE;
output.burst_count = 1;
output.barrier = 1;
/* array_size is an upper limit for the burst_count
* with MEM_STREAM instructions */
output.array_size = 0xFFF;
output.comp_mask = (1 << so.output[i].num_components) - 1;
output.comp_mask = ((1 << so.output[i].num_components) - 1) << so.output[i].start_component;
if (ctx.bc->chip_class >= EVERGREEN) {
switch (so.output[i].output_buffer) {
case 0: