diff options
| -rw-r--r-- | src/gallium/auxiliary/translate/translate.h | 4 | ||||
| -rw-r--r-- | src/gallium/auxiliary/translate/translate_sse.c | 306 |
2 files changed, 201 insertions, 109 deletions
diff --git a/src/gallium/auxiliary/translate/translate.h b/src/gallium/auxiliary/translate/translate.h index 650cd81fa6..34526eb061 100644 --- a/src/gallium/auxiliary/translate/translate.h +++ b/src/gallium/auxiliary/translate/translate.h @@ -48,8 +48,8 @@ struct translate_element { enum pipe_format input_format; enum pipe_format output_format; - unsigned input_buffer; - unsigned input_offset; /* can't really reduce the size of these */ + unsigned input_buffer:8; + unsigned input_offset:24; unsigned output_offset; }; diff --git a/src/gallium/auxiliary/translate/translate_sse.c b/src/gallium/auxiliary/translate/translate_sse.c index 7955186e16..b62db8d8f3 100644 --- a/src/gallium/auxiliary/translate/translate_sse.c +++ b/src/gallium/auxiliary/translate/translate_sse.c @@ -29,7 +29,7 @@ #include "pipe/p_config.h" #include "pipe/p_compiler.h" #include "util/u_memory.h" -#include "util/u_simple_list.h" +#include "util/u_math.h" #include "translate.h" @@ -56,6 +56,11 @@ typedef void (PIPE_CDECL *run_elts_func)( struct translate *translate, unsigned count, void *output_buffer ); +struct translate_buffer { + const void *base_ptr; + unsigned stride; + void *ptr; /* updated per vertex */ +}; struct translate_sse { @@ -73,14 +78,20 @@ struct translate_sse { float float_255[4]; float inv_255[4]; - struct { - char *input_ptr; - unsigned input_stride; - } attrib[PIPE_MAX_ATTRIBS]; + struct translate_buffer buffer[PIPE_MAX_ATTRIBS]; + unsigned nr_buffers; run_func gen_run; run_elts_func gen_run_elts; + /* these are actually known values, but putting them in a struct + * like this is helpful to keep them in sync across the file. + */ + struct x86_reg tmp_EAX; + struct x86_reg idx_EBX; /* either start+i or &elt[i] */ + struct x86_reg outbuf_ECX; + struct x86_reg machine_EDX; + struct x86_reg count_ESI; /* decrements to zero */ }; static int get_offset( const void *a, const void *b ) @@ -95,10 +106,6 @@ static struct x86_reg get_identity( struct translate_sse *p ) struct x86_reg reg = x86_make_reg(file_XMM, 6); if (!p->loaded_identity) { - /* Nasty: - */ - struct x86_reg translateESI = x86_make_reg(file_REG32, reg_SI); - p->loaded_identity = TRUE; p->identity[0] = 0; p->identity[1] = 0; @@ -106,7 +113,7 @@ static struct x86_reg get_identity( struct translate_sse *p ) p->identity[3] = 1; sse_movups(p->func, reg, - x86_make_disp(translateESI, + x86_make_disp(p->machine_EDX, get_offset(p, &p->identity[0]))); } @@ -115,11 +122,9 @@ static struct x86_reg get_identity( struct translate_sse *p ) static struct x86_reg get_255( struct translate_sse *p ) { - struct x86_reg reg = x86_make_reg(file_XMM, 6); + struct x86_reg reg = x86_make_reg(file_XMM, 7); if (!p->loaded_255) { - struct x86_reg translateESI = x86_make_reg(file_REG32, reg_SI); - p->loaded_255 = TRUE; p->float_255[0] = p->float_255[1] = @@ -127,12 +132,11 @@ static struct x86_reg get_255( struct translate_sse *p ) p->float_255[3] = 255.0f; sse_movups(p->func, reg, - x86_make_disp(translateESI, + x86_make_disp(p->machine_EDX, get_offset(p, &p->float_255[0]))); } return reg; - return x86_make_reg(file_XMM, 7); } static struct x86_reg get_inv_255( struct translate_sse *p ) @@ -140,8 +144,6 @@ static struct x86_reg get_inv_255( struct translate_sse *p ) struct x86_reg reg = x86_make_reg(file_XMM, 5); if (!p->loaded_inv_255) { - struct x86_reg translateESI = x86_make_reg(file_REG32, reg_SI); - p->loaded_inv_255 = TRUE; p->inv_255[0] = p->inv_255[1] = @@ -149,7 +151,7 @@ static struct x86_reg get_inv_255( struct translate_sse *p ) p->inv_255[3] = 1.0f / 255.0f; sse_movups(p->func, reg, - x86_make_disp(translateESI, + x86_make_disp(p->machine_EDX, get_offset(p, &p->inv_255[0]))); } @@ -283,28 +285,6 @@ static void emit_store_R8G8B8A8_UNORM( struct translate_sse *p, -static void get_src_ptr( struct translate_sse *p, - struct x86_reg srcEAX, - struct x86_reg translateREG, - struct x86_reg eltREG, - unsigned a ) -{ - struct x86_reg input_ptr = - x86_make_disp(translateREG, - get_offset(p, &p->attrib[a].input_ptr)); - - struct x86_reg input_stride = - x86_make_disp(translateREG, - get_offset(p, &p->attrib[a].input_stride)); - - /* Calculate pointer to current attrib: - */ - x86_mov(p->func, srcEAX, input_stride); - x86_imul(p->func, srcEAX, eltREG); - x86_add(p->func, srcEAX, input_ptr); -} - - /* Extended swizzles? Maybe later. */ static void emit_swizzle( struct translate_sse *p, @@ -374,12 +354,126 @@ static boolean translate_attr( struct translate_sse *p, return TRUE; } -/* Build run( struct translate *translate, + +static boolean init_inputs( struct translate_sse *p, + boolean linear ) +{ + unsigned i; + if (linear) { + for (i = 0; i < p->nr_buffers; i++) { + struct x86_reg buf_stride = x86_make_disp(p->machine_EDX, + get_offset(p, &p->buffer[i].stride)); + struct x86_reg buf_ptr = x86_make_disp(p->machine_EDX, + get_offset(p, &p->buffer[i].ptr)); + struct x86_reg buf_base_ptr = x86_make_disp(p->machine_EDX, + get_offset(p, &p->buffer[i].base_ptr)); + struct x86_reg elt = p->idx_EBX; + struct x86_reg tmp = p->tmp_EAX; + + + /* Calculate pointer to first attrib: + */ + x86_mov(p->func, tmp, buf_stride); + x86_imul(p->func, tmp, elt); + x86_add(p->func, tmp, buf_base_ptr); + + + /* In the linear case, keep the buffer pointer instead of the + * index number. + */ + if (p->nr_buffers == 1) + x86_mov( p->func, elt, tmp ); + else + x86_mov( p->func, buf_ptr, tmp ); + } + } + + return TRUE; +} + + +static struct x86_reg get_buffer_ptr( struct translate_sse *p, + boolean linear, + unsigned buf_idx, + struct x86_reg elt ) +{ + if (linear && p->nr_buffers == 1) { + return p->idx_EBX; + } + else if (linear) { + struct x86_reg ptr = p->tmp_EAX; + struct x86_reg buf_ptr = + x86_make_disp(p->machine_EDX, + get_offset(p, &p->buffer[buf_idx].ptr)); + + x86_mov(p->func, ptr, buf_ptr); + return ptr; + } + else { + struct x86_reg ptr = p->tmp_EAX; + + struct x86_reg buf_stride = + x86_make_disp(p->machine_EDX, + get_offset(p, &p->buffer[buf_idx].stride)); + + struct x86_reg buf_base_ptr = + x86_make_disp(p->machine_EDX, + get_offset(p, &p->buffer[buf_idx].base_ptr)); + + + + /* Calculate pointer to current attrib: + */ + x86_mov(p->func, ptr, buf_stride); + x86_imul(p->func, ptr, elt); + x86_add(p->func, ptr, buf_base_ptr); + return ptr; + } +} + + + +static boolean incr_inputs( struct translate_sse *p, + boolean linear ) +{ + if (linear && p->nr_buffers == 1) { + struct x86_reg stride = x86_make_disp(p->machine_EDX, + get_offset(p, &p->buffer[0].stride)); + + x86_add(p->func, p->idx_EBX, stride); + sse_prefetchnta(p->func, x86_make_disp(p->idx_EBX, 192)); + } + else if (linear) { + unsigned i; + + /* Is this worthwhile?? + */ + for (i = 0; i < p->nr_buffers; i++) { + struct x86_reg buf_ptr = x86_make_disp(p->machine_EDX, + get_offset(p, &p->buffer[i].ptr)); + struct x86_reg buf_stride = x86_make_disp(p->machine_EDX, + get_offset(p, &p->buffer[i].stride)); + + x86_mov(p->func, p->tmp_EAX, buf_ptr); + x86_add(p->func, p->tmp_EAX, buf_stride); + if (i == 0) sse_prefetchnta(p->func, x86_make_disp(p->tmp_EAX, 192)); + x86_mov(p->func, buf_ptr, p->tmp_EAX); + } + } + else { + x86_lea(p->func, p->idx_EBX, x86_make_disp(p->idx_EBX, 4)); + } + + return TRUE; +} + + +/* Build run( struct translate *machine, * unsigned start, * unsigned count, * void *output_buffer ) * or - * run_elts( struct translate *translate, + * run_elts( struct translate *machine, * unsigned *elts, * unsigned count, * void *output_buffer ) @@ -394,14 +488,15 @@ static boolean build_vertex_emit( struct translate_sse *p, struct x86_function *func, boolean linear ) { - struct x86_reg vertexECX = x86_make_reg(file_REG32, reg_AX); - struct x86_reg idxEBX = x86_make_reg(file_REG32, reg_BX); - struct x86_reg srcEAX = x86_make_reg(file_REG32, reg_CX); - struct x86_reg countEBP = x86_make_reg(file_REG32, reg_BP); - struct x86_reg translateESI = x86_make_reg(file_REG32, reg_SI); int fixup, label; unsigned j; + p->tmp_EAX = x86_make_reg(file_REG32, reg_AX); + p->idx_EBX = x86_make_reg(file_REG32, reg_BX); + p->outbuf_ECX = x86_make_reg(file_REG32, reg_CX); + p->machine_EDX = x86_make_reg(file_REG32, reg_DX); + p->count_ESI = x86_make_reg(file_REG32, reg_SI); + p->func = func; p->loaded_inv_255 = FALSE; p->loaded_255 = FALSE; @@ -411,74 +506,65 @@ static boolean build_vertex_emit( struct translate_sse *p, /* Push a few regs? */ - x86_push(p->func, countEBP); - x86_push(p->func, translateESI); - x86_push(p->func, idxEBX); - - /* Get vertex count, compare to zero - */ - x86_xor(p->func, idxEBX, idxEBX); - x86_mov(p->func, countEBP, x86_fn_arg(p->func, 3)); - x86_cmp(p->func, countEBP, idxEBX); - fixup = x86_jcc_forward(p->func, cc_E); - - /* If linear, idx is the current element, otherwise it is a pointer - * to the current element. - */ - x86_mov(p->func, idxEBX, x86_fn_arg(p->func, 2)); + x86_push(p->func, p->idx_EBX); + x86_push(p->func, p->count_ESI); - /* Initialize destination register. + /* Load arguments into regs: */ - x86_mov(p->func, vertexECX, x86_fn_arg(p->func, 4)); + x86_mov(p->func, p->machine_EDX, x86_fn_arg(p->func, 1)); + x86_mov(p->func, p->idx_EBX, x86_fn_arg(p->func, 2)); + x86_mov(p->func, p->count_ESI, x86_fn_arg(p->func, 3)); + x86_mov(p->func, p->outbuf_ECX, x86_fn_arg(p->func, 4)); - /* Move argument 1 (translate_sse pointer) into a reg: + /* Get vertex count, compare to zero */ - x86_mov(p->func, translateESI, x86_fn_arg(p->func, 1)); + x86_xor(p->func, p->tmp_EAX, p->tmp_EAX); + x86_cmp(p->func, p->count_ESI, p->tmp_EAX); + fixup = x86_jcc_forward(p->func, cc_E); - /* always load, needed or not: */ + init_inputs(p, linear); - /* Note address for loop jump */ + /* Note address for loop jump + */ label = x86_get_label(p->func); + { + struct x86_reg elt = linear ? p->idx_EBX : x86_deref(p->idx_EBX); + int last_vb = -1; + struct x86_reg vb; + for (j = 0; j < p->translate.key.nr_elements; j++) { + const struct translate_element *a = &p->translate.key.element[j]; - for (j = 0; j < p->translate.key.nr_elements; j++) { - const struct translate_element *a = &p->translate.key.element[j]; - - struct x86_reg destEAX = x86_make_disp(vertexECX, - a->output_offset); - - /* Figure out source pointer address: - */ - if (linear) { - get_src_ptr(p, srcEAX, translateESI, idxEBX, j); - } - else { - get_src_ptr(p, srcEAX, translateESI, x86_deref(idxEBX), j); + /* Figure out source pointer address: + */ + if (a->input_buffer != last_vb) { + last_vb = a->input_buffer; + vb = get_buffer_ptr(p, linear, a->input_buffer, elt); + } + + if (!translate_attr( p, a, + x86_make_disp(vb, a->input_offset), + x86_make_disp(p->outbuf_ECX, a->output_offset))) + return FALSE; } - if (!translate_attr( p, a, x86_deref(srcEAX), destEAX )) - return FALSE; - } - - /* Next vertex: - */ - x86_lea(p->func, vertexECX, x86_make_disp(vertexECX, p->translate.key.output_stride)); + /* Next output vertex: + */ + x86_lea(p->func, + p->outbuf_ECX, + x86_make_disp(p->outbuf_ECX, + p->translate.key.output_stride)); - /* Incr index - */ - if (linear) { - x86_inc(p->func, idxEBX); - } - else { - x86_lea(p->func, idxEBX, x86_make_disp(idxEBX, 4)); + /* Incr index + */ + incr_inputs( p, linear ); } /* decr count, loop if not zero */ - x86_dec(p->func, countEBP); - x86_test(p->func, countEBP, countEBP); + x86_dec(p->func, p->count_ESI); x86_jcc(p->func, cc_NZ, label); /* Exit mmx state? @@ -493,9 +579,8 @@ static boolean build_vertex_emit( struct translate_sse *p, /* Pop regs and return */ - x86_pop(p->func, idxEBX); - x86_pop(p->func, translateESI); - x86_pop(p->func, countEBP); + x86_pop(p->func, p->count_ESI); + x86_pop(p->func, p->idx_EBX); x86_ret(p->func); return TRUE; @@ -513,15 +598,16 @@ static void translate_sse_set_buffer( struct translate *translate, unsigned stride ) { struct translate_sse *p = (struct translate_sse *)translate; - unsigned i; - for (i = 0; i < p->translate.key.nr_elements; i++) { - if (p->translate.key.element[i].input_buffer == buf) { - p->attrib[i].input_ptr = ((char *)ptr + - p->translate.key.element[i].input_offset); - p->attrib[i].input_stride = stride; - } + if (buf < p->nr_buffers) { + p->buffer[buf].base_ptr = (char *)ptr; + p->buffer[buf].stride = stride; } + + if (0) debug_printf("%s %d/%d: %p %d\n", + __FUNCTION__, buf, + p->nr_buffers, + ptr, stride); } @@ -565,6 +651,7 @@ static void PIPE_CDECL translate_sse_run( struct translate *translate, struct translate *translate_sse2_create( const struct translate_key *key ) { struct translate_sse *p = NULL; + unsigned i; if (!rtasm_cpu_has_sse() || !rtasm_cpu_has_sse2()) goto fail; @@ -579,6 +666,11 @@ struct translate *translate_sse2_create( const struct translate_key *key ) p->translate.run_elts = translate_sse_run_elts; p->translate.run = translate_sse_run; + for (i = 0; i < key->nr_elements; i++) + p->nr_buffers = MAX2( p->nr_buffers, key->element[i].input_buffer + 1 ); + + if (0) debug_printf("nr_buffers: %d\n", p->nr_buffers); + if (!build_vertex_emit(p, &p->linear_func, TRUE)) goto fail; |