diff options
Diffstat (limited to 'src/gallium/drivers/r300/r300_vs.c')
-rw-r--r-- | src/gallium/drivers/r300/r300_vs.c | 163 |
1 files changed, 53 insertions, 110 deletions
diff --git a/src/gallium/drivers/r300/r300_vs.c b/src/gallium/drivers/r300/r300_vs.c index 60a04bbfeda..379939ac750 100644 --- a/src/gallium/drivers/r300/r300_vs.c +++ b/src/gallium/drivers/r300/r300_vs.c @@ -89,95 +89,41 @@ static void r300_shader_read_vs_outputs( assert(0); } } + + /* WPOS is a straight copy of POSITION and it's always emitted. */ + vs_outputs->wpos = i; } -static void r300_shader_vap_output_fmt(struct r300_vertex_shader* vs) +/* 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; - uint32_t* hwfmt = vs->hwfmt; - int i, gen_count; + 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; - /* Do the actual vertex_info setup. - * - * vertex_info has four uints of hardware-specific data in it. - * vinfo.hwfmt[0] is R300_VAP_VTX_STATE_CNTL - * vinfo.hwfmt[1] is R300_VAP_VSM_VTX_ASSM - * vinfo.hwfmt[2] is R300_VAP_OUTPUT_VTX_FMT_0 - * vinfo.hwfmt[3] is R300_VAP_OUTPUT_VTX_FMT_1 */ - - hwfmt[0] = 0x5555; /* XXX this is classic Mesa bonghits */ + vap_out->vap_vtx_state_cntl = 0x5555; /* XXX this is classic Mesa bonghits */ /* Position. */ if (vs_outputs->pos != ATTR_UNUSED) { - hwfmt[1] |= R300_INPUT_CNTL_POS; - hwfmt[2] |= R300_VAP_OUTPUT_VTX_FMT_0__POS_PRESENT; + 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) { - hwfmt[2] |= R300_VAP_OUTPUT_VTX_FMT_0__PT_SIZE_PRESENT; - } - - /* 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) { - hwfmt[1] |= R300_INPUT_CNTL_COLOR; - hwfmt[2] |= R300_VAP_OUTPUT_VTX_FMT_0__COLOR_0_PRESENT << i; - } - } - - /* Back-face colors. */ - if (any_bcolor_used) { - for (i = 0; i < ATTR_COLOR_COUNT; i++) { - hwfmt[1] |= R300_INPUT_CNTL_COLOR; - hwfmt[2] |= R300_VAP_OUTPUT_VTX_FMT_0__COLOR_0_PRESENT << (2+i); - } - } + vap_out->vap_out_vtx_fmt[0] |= R300_VAP_OUTPUT_VTX_FMT_0__PT_SIZE_PRESENT; - /* Texture coordinates. */ - gen_count = 0; - for (i = 0; i < ATTR_GENERIC_COUNT; i++) { - if (vs_outputs->generic[i] != ATTR_UNUSED) { - hwfmt[1] |= (R300_INPUT_CNTL_TC0 << gen_count); - hwfmt[3] |= (4 << (3 * gen_count)); - gen_count++; - } - } - - /* Fog coordinates. */ - if (vs_outputs->fog != ATTR_UNUSED) { - hwfmt[1] |= (R300_INPUT_CNTL_TC0 << gen_count); - hwfmt[3] |= (4 << (3 * gen_count)); - gen_count++; - } - - /* XXX magic */ - assert(gen_count <= 8); - - /* WPOS. */ - vs->wpos_tex_output = gen_count; -} - -/* Sets up stream mapping to equivalent VS outputs if TCL is bypassed - * or isn't present. */ -static void r300_stream_locations_notcl( - struct r300_shader_semantics* vs_outputs, - int* stream_loc) -{ - int i, tabi = 0, gen_count; - boolean any_bcolor_used = vs_outputs->bcolor[0] != ATTR_UNUSED || - vs_outputs->bcolor[1] != ATTR_UNUSED; - - /* Position. */ - stream_loc[tabi++] = 0; - - /* Point size. */ - if (vs_outputs->psize != ATTR_UNUSED) { stream_loc[tabi++] = 1; } @@ -185,6 +131,9 @@ static void r300_stream_locations_notcl( 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; } } @@ -192,6 +141,9 @@ static void r300_stream_locations_notcl( /* 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; } } @@ -200,6 +152,9 @@ static void r300_stream_locations_notcl( 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++; @@ -208,17 +163,22 @@ static void r300_stream_locations_notcl( /* 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++; } + /* XXX magic */ + assert(gen_count <= 8); + /* WPOS. */ - if (vs_outputs->wpos != ATTR_UNUSED) { - assert(tabi < 16); - stream_loc[tabi++] = 6 + gen_count; - gen_count++; - } + vs->wpos_tex_output = gen_count; + + assert(tabi < 16); + stream_loc[tabi++] = 6 + gen_count; for (; tabi < 16;) { stream_loc[tabi++] = -1; @@ -294,26 +254,16 @@ static void set_vertex_inputs_outputs(struct r300_vertex_program_compiler * c) } } -static void r300_insert_wpos(struct r300_vertex_program_compiler* c, - struct r300_shader_semantics* outputs) +void r300_vertex_shader_common_init(struct r300_vertex_shader *vs, + const struct pipe_shader_state *shader) { - int i, lastOutput = 0; - - /* Find the max output index. */ - lastOutput = MAX2(lastOutput, outputs->psize); - for (i = 0; i < ATTR_COLOR_COUNT; i++) { - lastOutput = MAX2(lastOutput, outputs->color[i]); - lastOutput = MAX2(lastOutput, outputs->bcolor[i]); - } - for (i = 0; i < ATTR_GENERIC_COUNT; i++) { - lastOutput = MAX2(lastOutput, outputs->generic[i]); - } - lastOutput = MAX2(lastOutput, outputs->fog); + /* Copy state directly into shader. */ + vs->state = *shader; + vs->state.tokens = tgsi_dup_tokens(shader->tokens); + tgsi_scan_shader(shader->tokens, &vs->info); - /* Set WPOS after the last output. */ - lastOutput++; - rc_copy_output(&c->Base, 0, lastOutput); /* out[lastOutput] = out[0]; */ - outputs->wpos = lastOutput; + r300_shader_read_vs_outputs(&vs->info, &vs->outputs); + r300_init_vs_output_mapping(vs); } void r300_translate_vertex_shader(struct r300_context* r300, @@ -322,9 +272,6 @@ void r300_translate_vertex_shader(struct r300_context* r300, struct r300_vertex_program_compiler compiler; struct tgsi_to_rc ttr; - /* Initialize. */ - r300_shader_read_vs_outputs(&vs->info, &vs->outputs); - /* Setup the compiler */ rc_init(&compiler.Base); @@ -348,10 +295,7 @@ void r300_translate_vertex_shader(struct r300_context* r300, compiler.SetHwInputOutput = &set_vertex_inputs_outputs; /* Insert the WPOS output. */ - r300_insert_wpos(&compiler, &vs->outputs); - - r300_shader_vap_output_fmt(vs); - r300_stream_locations_notcl(&vs->outputs, vs->stream_loc_notcl); + rc_copy_output(&compiler.Base, 0, vs->outputs.wpos); /* Invoke the compiler */ r3xx_compile_vertex_program(&compiler); @@ -363,30 +307,29 @@ void r300_translate_vertex_shader(struct r300_context* r300, /* And, finally... */ rc_destroy(&compiler.Base); - vs->translated = TRUE; } 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; - uint32_t* hwfmt = vs->hwfmt; if (r300->fs->inputs.wpos != ATTR_UNUSED) { /* Enable WPOS in VAP. */ - if (!(hwfmt[1] & tex_fmt)) { - hwfmt[1] |= tex_fmt; - hwfmt[3] |= (4 << (3 * tex_output)); + 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 (hwfmt[1] & tex_fmt) { - hwfmt[1] &= ~tex_fmt; - hwfmt[3] &= ~(4 << (3 * tex_output)); + 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; } } |