* USE OR OTHER DEALINGS IN THE SOFTWARE. */
#include "r300_vs.h"
-#include "r300_fs.h"
#include "r300_context.h"
#include "r300_screen.h"
#include "tgsi/tgsi_dump.h"
#include "tgsi/tgsi_parse.h"
+#include "tgsi/tgsi_ureg.h"
#include "radeon_compiler.h"
case TGSI_SEMANTIC_EDGEFLAG:
assert(index == 0);
- fprintf(stderr, "r300 VP: cannot handle edgeflag output\n");
- assert(0);
+ fprintf(stderr, "r300 VP: cannot handle edgeflag output.\n");
break;
+
default:
- assert(0);
+ fprintf(stderr, "r300 VP: unknown vertex output semantic: %i.\n",
+ info->output_semantic_name[i]);
}
}
vs_outputs->wpos = i;
}
-/* This function sets up:
- * - VAP mapping, which maps VS registers to output semantics and
- * at the same time it indicates which attributes are enabled and should
- * be rasterized.
- * - Stream mapping to VS outputs if TCL is not present. */
-static void r300_init_vs_output_mapping(struct r300_vertex_shader* vs)
-{
- struct r300_shader_semantics* vs_outputs = &vs->outputs;
- struct r300_vap_output_state *vap_out = &vs->vap_out;
- int *stream_loc = vs->stream_loc_notcl;
- int i, gen_count, tabi = 0;
- boolean any_bcolor_used = vs_outputs->bcolor[0] != ATTR_UNUSED ||
- vs_outputs->bcolor[1] != ATTR_UNUSED;
-
- vap_out->vap_vtx_state_cntl = 0x5555; /* XXX this is classic Mesa bonghits */
-
- /* Position. */
- if (vs_outputs->pos != ATTR_UNUSED) {
- vap_out->vap_vsm_vtx_assm |= R300_INPUT_CNTL_POS;
- vap_out->vap_out_vtx_fmt[0] |= R300_VAP_OUTPUT_VTX_FMT_0__POS_PRESENT;
-
- stream_loc[tabi++] = 0;
- } else {
- assert(0);
- }
-
- /* Point size. */
- if (vs_outputs->psize != ATTR_UNUSED) {
- vap_out->vap_out_vtx_fmt[0] |= R300_VAP_OUTPUT_VTX_FMT_0__PT_SIZE_PRESENT;
-
- stream_loc[tabi++] = 1;
- }
-
- /* Colors. */
- for (i = 0; i < ATTR_COLOR_COUNT; i++) {
- if (vs_outputs->color[i] != ATTR_UNUSED || any_bcolor_used ||
- vs_outputs->color[1] != ATTR_UNUSED) {
- vap_out->vap_vsm_vtx_assm |= R300_INPUT_CNTL_COLOR;
- vap_out->vap_out_vtx_fmt[0] |= R300_VAP_OUTPUT_VTX_FMT_0__COLOR_0_PRESENT << i;
-
- stream_loc[tabi++] = 2 + i;
- }
- }
-
- /* Back-face colors. */
- if (any_bcolor_used) {
- for (i = 0; i < ATTR_COLOR_COUNT; i++) {
- vap_out->vap_vsm_vtx_assm |= R300_INPUT_CNTL_COLOR;
- vap_out->vap_out_vtx_fmt[0] |= R300_VAP_OUTPUT_VTX_FMT_0__COLOR_0_PRESENT << (2+i);
-
- stream_loc[tabi++] = 4 + i;
- }
- }
-
- /* Texture coordinates. */
- gen_count = 0;
- for (i = 0; i < ATTR_GENERIC_COUNT; i++) {
- if (vs_outputs->generic[i] != ATTR_UNUSED) {
- vap_out->vap_vsm_vtx_assm |= (R300_INPUT_CNTL_TC0 << gen_count);
- vap_out->vap_out_vtx_fmt[1] |= (4 << (3 * gen_count));
-
- assert(tabi < 16);
- stream_loc[tabi++] = 6 + gen_count;
- gen_count++;
- }
- }
-
- /* Fog coordinates. */
- if (vs_outputs->fog != ATTR_UNUSED) {
- vap_out->vap_vsm_vtx_assm |= (R300_INPUT_CNTL_TC0 << gen_count);
- vap_out->vap_out_vtx_fmt[1] |= (4 << (3 * gen_count));
-
- assert(tabi < 16);
- stream_loc[tabi++] = 6 + gen_count;
- gen_count++;
- }
-
- assert(gen_count <= 8);
-
- /* WPOS. */
- vs->wpos_tex_output = gen_count;
-
- assert(tabi < 16);
- stream_loc[tabi++] = 6 + gen_count;
-
- for (; tabi < 16;) {
- stream_loc[tabi++] = -1;
- }
-}
-
static void set_vertex_inputs_outputs(struct r300_vertex_program_compiler * c)
{
struct r300_vertex_shader * vs = c->UserData;
}
/* WPOS. */
- if (outputs->wpos != ATTR_UNUSED) {
- c->code->outputs[outputs->wpos] = reg++;
- }
+ c->code->outputs[outputs->wpos] = reg++;
}
-void r300_vertex_shader_common_init(struct r300_vertex_shader *vs,
- const struct pipe_shader_state *shader)
+void r300_init_vs_outputs(struct r300_vertex_shader *vs)
{
- /* Copy state directly into shader. */
- vs->state = *shader;
- vs->state.tokens = tgsi_dup_tokens(shader->tokens);
- tgsi_scan_shader(shader->tokens, &vs->info);
-
+ tgsi_scan_shader(vs->state.tokens, &vs->info);
r300_shader_read_vs_outputs(&vs->info, &vs->outputs);
- r300_init_vs_output_mapping(vs);
}
-void r300_translate_vertex_shader(struct r300_context* r300,
- struct r300_vertex_shader* vs)
+static void r300_dummy_vertex_shader(
+ struct r300_context* r300,
+ struct r300_vertex_shader* shader)
+{
+ struct ureg_program *ureg;
+ struct ureg_dst dst;
+ struct ureg_src imm;
+
+ /* Make a simple vertex shader which outputs (0, 0, 0, 1),
+ * effectively rendering nothing. */
+ ureg = ureg_create(TGSI_PROCESSOR_VERTEX);
+ dst = ureg_DECL_output(ureg, TGSI_SEMANTIC_POSITION, 0);
+ imm = ureg_imm4f(ureg, 0, 0, 0, 1);
+
+ ureg_MOV(ureg, dst, imm);
+ ureg_END(ureg);
+
+ shader->state.tokens = tgsi_dup_tokens(ureg_finalize(ureg));
+ ureg_destroy(ureg);
+
+ shader->dummy = TRUE;
+ r300_init_vs_outputs(shader);
+ r300_translate_vertex_shader(r300, shader);
+}
+
+void r300_translate_vertex_shader(struct r300_context *r300,
+ struct r300_vertex_shader *vs)
{
struct r300_vertex_program_compiler compiler;
struct tgsi_to_rc ttr;
+ unsigned i;
/* Setup the compiler */
+ memset(&compiler, 0, sizeof(compiler));
rc_init(&compiler.Base);
- compiler.Base.Debug = DBG_ON(r300, DBG_VP);
+ DBG_ON(r300, DBG_VP) ? compiler.Base.Debug |= RC_DBG_LOG : 0;
+ DBG_ON(r300, DBG_P_STAT) ? compiler.Base.Debug |= RC_DBG_STATS : 0;
compiler.code = &vs->code;
compiler.UserData = vs;
-
- if (compiler.Base.Debug) {
- debug_printf("r300: Initial vertex program\n");
+ compiler.Base.is_r500 = r300->screen->caps.is_r500;
+ compiler.Base.disable_optimizations = DBG_ON(r300, DBG_NO_OPT);
+ compiler.Base.has_half_swizzles = FALSE;
+ compiler.Base.has_presub = FALSE;
+ compiler.Base.max_temp_regs = 32;
+ compiler.Base.max_constants = 256;
+ compiler.Base.max_alu_insts = r300->screen->caps.is_r500 ? 1024 : 256;
+ compiler.Base.remove_unused_constants = TRUE;
+
+ if (compiler.Base.Debug & RC_DBG_LOG) {
+ DBG(r300, DBG_VP, "r300: Initial vertex program\n");
tgsi_dump(vs->state.tokens, 0);
}
r300_tgsi_to_rc(&ttr, vs->state.tokens);
- compiler.RequiredOutputs = ~(~0 << (vs->info.num_outputs+1));
+ compiler.RequiredOutputs = ~(~0 << (vs->info.num_outputs + 1));
compiler.SetHwInputOutput = &set_vertex_inputs_outputs;
/* Insert the WPOS output. */
/* Invoke the compiler */
r3xx_compile_vertex_program(&compiler);
if (compiler.Base.Error) {
- /* XXX We should fallback using Draw. */
- fprintf(stderr, "r300 VP: Compiler error:\n%s", compiler.Base.ErrorMsg);
- abort();
+ fprintf(stderr, "r300 VP: Compiler error:\n%sUsing a dummy shader"
+ " instead.\n", compiler.Base.ErrorMsg);
+
+ if (vs->dummy) {
+ fprintf(stderr, "r300 VP: Cannot compile the dummy shader! "
+ "Giving up...\n");
+ abort();
+ }
+
+ rc_destroy(&compiler.Base);
+ r300_dummy_vertex_shader(r300, vs);
+ return;
+ }
+
+ /* Initialize numbers of constants for each type. */
+ vs->externals_count = 0;
+ for (i = 0;
+ i < vs->code.constants.Count &&
+ vs->code.constants.Constants[i].Type == RC_CONSTANT_EXTERNAL; i++) {
+ vs->externals_count = i+1;
}
+ for (; i < vs->code.constants.Count; i++) {
+ assert(vs->code.constants.Constants[i].Type == RC_CONSTANT_IMMEDIATE);
+ }
+ vs->immediates_count = vs->code.constants.Count - vs->externals_count;
/* And, finally... */
rc_destroy(&compiler.Base);
}
-
-boolean r300_vertex_shader_setup_wpos(struct r300_context* r300)
-{
- struct r300_vertex_shader* vs = r300->vs_state.state;
- struct r300_vap_output_state *vap_out = &vs->vap_out;
- int tex_output = vs->wpos_tex_output;
- uint32_t tex_fmt = R300_INPUT_CNTL_TC0 << tex_output;
-
- if (r300->fs->inputs.wpos != ATTR_UNUSED) {
- /* Enable WPOS in VAP. */
- if (!(vap_out->vap_vsm_vtx_assm & tex_fmt)) {
- vap_out->vap_vsm_vtx_assm |= tex_fmt;
- vap_out->vap_out_vtx_fmt[1] |= (4 << (3 * tex_output));
-
- assert(tex_output < 8);
- return TRUE;
- }
- } else {
- /* Disable WPOS in VAP. */
- if (vap_out->vap_vsm_vtx_assm & tex_fmt) {
- vap_out->vap_vsm_vtx_assm &= ~tex_fmt;
- vap_out->vap_out_vtx_fmt[1] &= ~(4 << (3 * tex_output));
- return TRUE;
- }
- }
- return FALSE;
-}
projects / mesa.git / blobdiff