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path: root/src/gallium/drivers/r300/r300_vs.c
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Diffstat (limited to 'src/gallium/drivers/r300/r300_vs.c')
-rw-r--r--src/gallium/drivers/r300/r300_vs.c131
1 files changed, 3 insertions, 128 deletions
diff --git a/src/gallium/drivers/r300/r300_vs.c b/src/gallium/drivers/r300/r300_vs.c
index bfab9c3b01..b7609bad81 100644
--- a/src/gallium/drivers/r300/r300_vs.c
+++ b/src/gallium/drivers/r300/r300_vs.c
@@ -94,94 +94,6 @@ static void r300_shader_read_vs_outputs(
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 && gen_count < 8; 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));
-
- stream_loc[tabi++] = 6 + gen_count;
- gen_count++;
- }
- }
-
- /* Fog coordinates. */
- if (gen_count < 8 && 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));
-
- stream_loc[tabi++] = 6 + gen_count;
- gen_count++;
- }
-
- /* WPOS. */
- if (gen_count < 8) {
- vs->wpos_tex_output = gen_count;
- stream_loc[tabi++] = 6 + gen_count;
- } else {
- vs_outputs->wpos = ATTR_UNUSED;
- }
-
- 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;
@@ -246,9 +158,7 @@ static void set_vertex_inputs_outputs(struct r300_vertex_program_compiler * c)
}
/* WPOS. */
- if (outputs->wpos != ATTR_UNUSED) {
- c->code->outputs[outputs->wpos] = reg++;
- }
+ c->code->outputs[outputs->wpos] = reg++;
}
static void r300_dummy_vertex_shader(
@@ -286,7 +196,6 @@ void r300_translate_vertex_shader(struct r300_context* r300,
tgsi_scan_shader(tokens, &vs->info);
r300_shader_read_vs_outputs(&vs->info, &vs->outputs);
- r300_init_vs_output_mapping(vs);
/* Setup the compiler */
rc_init(&compiler.Base);
@@ -307,16 +216,11 @@ void r300_translate_vertex_shader(struct r300_context* r300,
r300_tgsi_to_rc(&ttr, tokens);
- compiler.RequiredOutputs =
- ~(~0 << (vs->info.num_outputs +
- (vs->outputs.wpos != ATTR_UNUSED ? 1 : 0)));
-
+ compiler.RequiredOutputs = ~(~0 << (vs->info.num_outputs + 1));
compiler.SetHwInputOutput = &set_vertex_inputs_outputs;
/* Insert the WPOS output. */
- if (vs->outputs.wpos != ATTR_UNUSED) {
- rc_copy_output(&compiler.Base, 0, vs->outputs.wpos);
- }
+ rc_copy_output(&compiler.Base, 0, vs->outputs.wpos);
/* Invoke the compiler */
r3xx_compile_vertex_program(&compiler);
@@ -343,32 +247,3 @@ void r300_translate_vertex_shader(struct r300_context* r300,
/* 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 (vs->outputs.wpos == ATTR_UNUSED) {
- return FALSE;
- }
-
- if (r300_fs(r300)->shader->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));
- 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;
-}