/** * Create a simple vertex shader that passes through position and the given * attribute. */ static void *create_passthrough_vs(struct pipe_context *pipe, int semantic_name) { struct ureg_program *ureg; struct ureg_src src[2], constants[3]; struct ureg_dst dst[2], tmp; int i; ureg = ureg_create(TGSI_PROCESSOR_VERTEX); if (!ureg) return NULL; /* position is in user coordinates */ src[0] = ureg_DECL_vs_input(ureg, 0); dst[0] = ureg_DECL_output(ureg, TGSI_SEMANTIC_POSITION, 0); tmp = ureg_DECL_temporary(ureg); for (i = 0; i < Elements(constants); i++) constants[i] = ureg_DECL_constant(ureg, i); /* transform to clipped coordinates */ ureg_DP4(ureg, ureg_writemask(tmp, TGSI_WRITEMASK_X), src[0], constants[0]); ureg_DP4(ureg, ureg_writemask(tmp, TGSI_WRITEMASK_Y), src[0], constants[1]); ureg_MOV(ureg, ureg_writemask(tmp, TGSI_WRITEMASK_Z), src[0]); ureg_DP4(ureg, ureg_writemask(tmp, TGSI_WRITEMASK_W), src[0], constants[2]); ureg_MOV(ureg, dst[0], ureg_src(tmp)); if (semantic_name >= 0) { src[1] = ureg_DECL_vs_input(ureg, 1); dst[1] = ureg_DECL_output(ureg, semantic_name, 0); ureg_MOV(ureg, dst[1], src[1]); } ureg_END(ureg); return ureg_create_shader_and_destroy(ureg, pipe); }
static struct ureg_dst calc_position(struct vl_mc *r, struct ureg_program *shader, struct ureg_src block_scale) { struct ureg_src vrect, vpos; struct ureg_dst t_vpos; struct ureg_dst o_vpos; vrect = ureg_DECL_vs_input(shader, VS_I_RECT); vpos = ureg_DECL_vs_input(shader, VS_I_VPOS); t_vpos = ureg_DECL_temporary(shader); o_vpos = ureg_DECL_output(shader, TGSI_SEMANTIC_POSITION, VS_O_VPOS); /* * block_scale = (VL_MACROBLOCK_WIDTH, VL_MACROBLOCK_HEIGHT) / (dst.width, dst.height) * * t_vpos = (vpos + vrect) * block_scale * o_vpos.xy = t_vpos * o_vpos.zw = vpos */ ureg_ADD(shader, ureg_writemask(t_vpos, TGSI_WRITEMASK_XY), vpos, vrect); ureg_MUL(shader, ureg_writemask(t_vpos, TGSI_WRITEMASK_XY), ureg_src(t_vpos), block_scale); ureg_MOV(shader, ureg_writemask(o_vpos, TGSI_WRITEMASK_XY), ureg_src(t_vpos)); ureg_MOV(shader, ureg_writemask(o_vpos, TGSI_WRITEMASK_ZW), ureg_imm1f(shader, 1.0f)); return t_vpos; }
static void * create_copy_frag_shader(struct vl_deint_filter *filter, unsigned field) { struct ureg_program *shader; struct ureg_src i_vtex; struct ureg_src sampler; struct ureg_dst o_fragment; struct ureg_dst t_tex; shader = ureg_create(PIPE_SHADER_FRAGMENT); if (!shader) { return NULL; } t_tex = ureg_DECL_temporary(shader); i_vtex = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, VS_O_VTEX, TGSI_INTERPOLATE_LINEAR); sampler = ureg_DECL_sampler(shader, 2); o_fragment = ureg_DECL_output(shader, TGSI_SEMANTIC_COLOR, 0); ureg_MOV(shader, t_tex, i_vtex); if (field) { ureg_MOV(shader, ureg_writemask(t_tex, TGSI_WRITEMASK_ZW), ureg_imm4f(shader, 0, 0, 1.0f, 0)); } else { ureg_MOV(shader, ureg_writemask(t_tex, TGSI_WRITEMASK_ZW), ureg_imm1f(shader, 0)); } ureg_TEX(shader, o_fragment, TGSI_TEXTURE_2D_ARRAY, ureg_src(t_tex), sampler); ureg_release_temporary(shader, t_tex); ureg_END(shader); return ureg_create_shader_and_destroy(shader, filter->pipe); }
/** * Create a simple vertex shader that just passes through the * vertex position and texcoord (and optionally, color). */ static void * make_passthrough_vertex_shader(struct st_context *st, GLboolean passColor) { if (!st->drawpix.vert_shaders[passColor]) { struct ureg_program *ureg = ureg_create( TGSI_PROCESSOR_VERTEX ); if (ureg == NULL) return NULL; /* MOV result.pos, vertex.pos; */ ureg_MOV(ureg, ureg_DECL_output( ureg, TGSI_SEMANTIC_POSITION, 0 ), ureg_DECL_vs_input( ureg, 0 )); /* MOV result.texcoord0, vertex.attr[1]; */ ureg_MOV(ureg, ureg_DECL_output( ureg, TGSI_SEMANTIC_GENERIC, 0 ), ureg_DECL_vs_input( ureg, 1 )); if (passColor) { /* MOV result.color0, vertex.attr[2]; */ ureg_MOV(ureg, ureg_DECL_output( ureg, TGSI_SEMANTIC_COLOR, 0 ), ureg_DECL_vs_input( ureg, 2 )); } ureg_END( ureg ); st->drawpix.vert_shaders[passColor] = ureg_create_shader_and_destroy( ureg, st->pipe ); } return st->drawpix.vert_shaders[passColor]; }
void * st_pbo_create_vs(struct st_context *st) { struct pipe_screen *pscreen = st->pipe->screen; bool use_nir = PIPE_SHADER_IR_NIR == pscreen->get_shader_param(pscreen, PIPE_SHADER_VERTEX, PIPE_SHADER_CAP_PREFERRED_IR); if (use_nir) { unsigned inputs[] = { VERT_ATTRIB_POS, SYSTEM_VALUE_INSTANCE_ID, }; unsigned outputs[] = { VARYING_SLOT_POS, VARYING_SLOT_LAYER }; return st_nir_make_passthrough_shader(st, "st/pbo VS", MESA_SHADER_VERTEX, st->pbo.layers ? 2 : 1, inputs, outputs, NULL, (1 << 1)); } struct ureg_program *ureg; struct ureg_src in_pos; struct ureg_src in_instanceid; struct ureg_dst out_pos; struct ureg_dst out_layer; ureg = ureg_create(PIPE_SHADER_VERTEX); if (!ureg) return NULL; in_pos = ureg_DECL_vs_input(ureg, TGSI_SEMANTIC_POSITION); out_pos = ureg_DECL_output(ureg, TGSI_SEMANTIC_POSITION, 0); if (st->pbo.layers) { in_instanceid = ureg_DECL_system_value(ureg, TGSI_SEMANTIC_INSTANCEID, 0); if (!st->pbo.use_gs) out_layer = ureg_DECL_output(ureg, TGSI_SEMANTIC_LAYER, 0); } /* out_pos = in_pos */ ureg_MOV(ureg, out_pos, in_pos); if (st->pbo.layers) { if (st->pbo.use_gs) { /* out_pos.z = i2f(gl_InstanceID) */ ureg_I2F(ureg, ureg_writemask(out_pos, TGSI_WRITEMASK_Z), ureg_scalar(in_instanceid, TGSI_SWIZZLE_X)); } else { /* out_layer = gl_InstanceID */ ureg_MOV(ureg, ureg_writemask(out_layer, TGSI_WRITEMASK_X), ureg_scalar(in_instanceid, TGSI_SWIZZLE_X)); } } ureg_END(ureg); return ureg_create_shader_and_destroy(ureg, st->pipe); }
void * util_make_fs_msaa_resolve(struct pipe_context *pipe, enum tgsi_texture_type tgsi_tex, unsigned nr_samples, enum tgsi_return_type stype) { struct ureg_program *ureg; struct ureg_src sampler, coord; struct ureg_dst out, tmp_sum, tmp_coord, tmp; unsigned i; ureg = ureg_create(PIPE_SHADER_FRAGMENT); if (!ureg) return NULL; /* Declarations. */ sampler = ureg_DECL_sampler(ureg, 0); ureg_DECL_sampler_view(ureg, 0, tgsi_tex, stype, stype, stype, stype); coord = ureg_DECL_fs_input(ureg, TGSI_SEMANTIC_GENERIC, 0, TGSI_INTERPOLATE_LINEAR); out = ureg_DECL_output(ureg, TGSI_SEMANTIC_COLOR, 0); tmp_sum = ureg_DECL_temporary(ureg); tmp_coord = ureg_DECL_temporary(ureg); tmp = ureg_DECL_temporary(ureg); /* Instructions. */ ureg_MOV(ureg, tmp_sum, ureg_imm1f(ureg, 0)); ureg_F2U(ureg, tmp_coord, coord); for (i = 0; i < nr_samples; i++) { /* Read one sample. */ ureg_MOV(ureg, ureg_writemask(tmp_coord, TGSI_WRITEMASK_W), ureg_imm1u(ureg, i)); ureg_TXF(ureg, tmp, tgsi_tex, ureg_src(tmp_coord), sampler); if (stype == TGSI_RETURN_TYPE_UINT) ureg_U2F(ureg, tmp, ureg_src(tmp)); else if (stype == TGSI_RETURN_TYPE_SINT) ureg_I2F(ureg, tmp, ureg_src(tmp)); /* Add it to the sum.*/ ureg_ADD(ureg, tmp_sum, ureg_src(tmp_sum), ureg_src(tmp)); } /* Calculate the average and return. */ ureg_MUL(ureg, tmp_sum, ureg_src(tmp_sum), ureg_imm1f(ureg, 1.0 / nr_samples)); if (stype == TGSI_RETURN_TYPE_UINT) ureg_F2U(ureg, out, ureg_src(tmp_sum)); else if (stype == TGSI_RETURN_TYPE_SINT) ureg_F2I(ureg, out, ureg_src(tmp_sum)); else ureg_MOV(ureg, out, ureg_src(tmp_sum)); ureg_END(ureg); return ureg_create_shader_and_destroy(ureg, pipe); }
static INLINE void xrender_tex(struct ureg_program *ureg, struct ureg_dst dst, struct ureg_src coords, struct ureg_src sampler, struct ureg_src imm0, boolean repeat_none, boolean swizzle, boolean set_alpha) { if (repeat_none) { struct ureg_dst tmp0 = ureg_DECL_temporary(ureg); struct ureg_dst tmp1 = ureg_DECL_temporary(ureg); ureg_SGT(ureg, tmp1, ureg_swizzle(coords, TGSI_SWIZZLE_X, TGSI_SWIZZLE_Y, TGSI_SWIZZLE_X, TGSI_SWIZZLE_Y), ureg_scalar(imm0, TGSI_SWIZZLE_X)); ureg_SLT(ureg, tmp0, ureg_swizzle(coords, TGSI_SWIZZLE_X, TGSI_SWIZZLE_Y, TGSI_SWIZZLE_X, TGSI_SWIZZLE_Y), ureg_scalar(imm0, TGSI_SWIZZLE_W)); ureg_MIN(ureg, tmp0, ureg_src(tmp0), ureg_src(tmp1)); ureg_MIN(ureg, tmp0, ureg_scalar(ureg_src(tmp0), TGSI_SWIZZLE_X), ureg_scalar(ureg_src(tmp0), TGSI_SWIZZLE_Y)); ureg_TEX(ureg, tmp1, TGSI_TEXTURE_2D, coords, sampler); if (swizzle) ureg_MOV(ureg, tmp1, ureg_swizzle(ureg_src(tmp1), TGSI_SWIZZLE_Z, TGSI_SWIZZLE_Y, TGSI_SWIZZLE_X, TGSI_SWIZZLE_W)); if (set_alpha) ureg_MOV(ureg, ureg_writemask(tmp1, TGSI_WRITEMASK_W), ureg_scalar(imm0, TGSI_SWIZZLE_W)); ureg_MUL(ureg, dst, ureg_src(tmp1), ureg_src(tmp0)); ureg_release_temporary(ureg, tmp0); ureg_release_temporary(ureg, tmp1); } else { if (swizzle) { struct ureg_dst tmp = ureg_DECL_temporary(ureg); ureg_TEX(ureg, tmp, TGSI_TEXTURE_2D, coords, sampler); ureg_MOV(ureg, dst, ureg_swizzle(ureg_src(tmp), TGSI_SWIZZLE_Z, TGSI_SWIZZLE_Y, TGSI_SWIZZLE_X, TGSI_SWIZZLE_W)); ureg_release_temporary(ureg, tmp); } else { ureg_TEX(ureg, dst, TGSI_TEXTURE_2D, coords, sampler); } if (set_alpha) ureg_MOV(ureg, ureg_writemask(dst, TGSI_WRITEMASK_W), ureg_scalar(imm0, TGSI_SWIZZLE_W)); } }
static void * create_vs(struct pipe_context *pipe, unsigned vs_traits) { struct ureg_program *ureg; struct ureg_src src; struct ureg_dst dst; struct ureg_src const0, const1; boolean is_fill = (vs_traits & VS_FILL) != 0; boolean is_composite = (vs_traits & VS_COMPOSITE) != 0; boolean has_mask = (vs_traits & VS_MASK) != 0; boolean is_yuv = (vs_traits & VS_YUV) != 0; unsigned input_slot = 0; ureg = ureg_create(TGSI_PROCESSOR_VERTEX); if (ureg == NULL) return 0; const0 = ureg_DECL_constant(ureg, 0); const1 = ureg_DECL_constant(ureg, 1); /* it has to be either a fill or a composite op */ debug_assert((is_fill ^ is_composite) ^ is_yuv); src = ureg_DECL_vs_input(ureg, input_slot++); dst = ureg_DECL_output(ureg, TGSI_SEMANTIC_POSITION, 0); src = vs_normalize_coords(ureg, src, const0, const1); ureg_MOV(ureg, dst, src); if (is_yuv) { src = ureg_DECL_vs_input(ureg, input_slot++); dst = ureg_DECL_output(ureg, TGSI_SEMANTIC_GENERIC, 0); ureg_MOV(ureg, dst, src); } if (is_composite) { src = ureg_DECL_vs_input(ureg, input_slot++); dst = ureg_DECL_output(ureg, TGSI_SEMANTIC_GENERIC, 0); ureg_MOV(ureg, dst, src); } if (is_fill) { src = ureg_DECL_vs_input(ureg, input_slot++); dst = ureg_DECL_output(ureg, TGSI_SEMANTIC_COLOR, 0); ureg_MOV(ureg, dst, src); } if (has_mask) { src = ureg_DECL_vs_input(ureg, input_slot++); dst = ureg_DECL_output(ureg, TGSI_SEMANTIC_GENERIC, 1); ureg_MOV(ureg, dst, src); } ureg_END(ureg); return ureg_create_shader_and_destroy(ureg, pipe); }
static void * create_yuv_shader(struct pipe_context *pipe, struct ureg_program *ureg) { struct ureg_src y_sampler, u_sampler, v_sampler; struct ureg_src pos; struct ureg_src matrow0, matrow1, matrow2; struct ureg_dst y, u, v, rgb; struct ureg_dst out = ureg_DECL_output(ureg, TGSI_SEMANTIC_COLOR, 0); pos = ureg_DECL_fs_input(ureg, TGSI_SEMANTIC_GENERIC, 0, TGSI_INTERPOLATE_PERSPECTIVE); rgb = ureg_DECL_temporary(ureg); y = ureg_DECL_temporary(ureg); u = ureg_DECL_temporary(ureg); v = ureg_DECL_temporary(ureg); y_sampler = ureg_DECL_sampler(ureg, 0); u_sampler = ureg_DECL_sampler(ureg, 1); v_sampler = ureg_DECL_sampler(ureg, 2); matrow0 = ureg_DECL_constant(ureg, 0); matrow1 = ureg_DECL_constant(ureg, 1); matrow2 = ureg_DECL_constant(ureg, 2); ureg_TEX(ureg, y, TGSI_TEXTURE_2D, pos, y_sampler); ureg_TEX(ureg, u, TGSI_TEXTURE_2D, pos, u_sampler); ureg_TEX(ureg, v, TGSI_TEXTURE_2D, pos, v_sampler); ureg_SUB(ureg, u, ureg_src(u), ureg_scalar(matrow0, TGSI_SWIZZLE_W)); ureg_SUB(ureg, v, ureg_src(v), ureg_scalar(matrow0, TGSI_SWIZZLE_W)); ureg_MUL(ureg, rgb, ureg_scalar(ureg_src(y), TGSI_SWIZZLE_X), matrow0); ureg_MAD(ureg, rgb, ureg_scalar(ureg_src(u), TGSI_SWIZZLE_X), matrow1, ureg_src(rgb)); ureg_MAD(ureg, rgb, ureg_scalar(ureg_src(v), TGSI_SWIZZLE_X), matrow2, ureg_src(rgb)); /* rgb.a = 1; */ ureg_MOV(ureg, ureg_writemask(rgb, TGSI_WRITEMASK_W), ureg_scalar(matrow0, TGSI_SWIZZLE_X)); ureg_MOV(ureg, out, ureg_src(rgb)); ureg_release_temporary(ureg, rgb); ureg_release_temporary(ureg, y); ureg_release_temporary(ureg, u); ureg_release_temporary(ureg, v); ureg_END(ureg); return ureg_create_shader_and_destroy(ureg, pipe); }
static void * create_frag_shader(struct vl_matrix_filter *filter, unsigned num_offsets, struct vertex2f *offsets, const float *matrix_values) { struct ureg_program *shader; struct ureg_src i_vtex; struct ureg_src sampler; struct ureg_dst tmp; struct ureg_dst t_sum; struct ureg_dst o_fragment; unsigned i; shader = ureg_create(PIPE_SHADER_FRAGMENT); if (!shader) { return NULL; } i_vtex = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, VS_O_VTEX, TGSI_INTERPOLATE_LINEAR); sampler = ureg_DECL_sampler(shader, 0); ureg_DECL_sampler_view(shader, 0, TGSI_TEXTURE_2D, TGSI_RETURN_TYPE_FLOAT, TGSI_RETURN_TYPE_FLOAT, TGSI_RETURN_TYPE_FLOAT, TGSI_RETURN_TYPE_FLOAT); tmp = ureg_DECL_temporary(shader); t_sum = ureg_DECL_temporary(shader); o_fragment = ureg_DECL_output(shader, TGSI_SEMANTIC_COLOR, 0); ureg_MOV(shader, t_sum, ureg_imm1f(shader, 0.0f)); for (i = 0; i < num_offsets; ++i) { if (matrix_values[i] == 0.0f) continue; if (!is_vec_zero(offsets[i])) { ureg_ADD(shader, ureg_writemask(tmp, TGSI_WRITEMASK_XY), i_vtex, ureg_imm2f(shader, offsets[i].x, offsets[i].y)); ureg_MOV(shader, ureg_writemask(tmp, TGSI_WRITEMASK_ZW), ureg_imm1f(shader, 0.0f)); ureg_TEX(shader, tmp, TGSI_TEXTURE_2D, ureg_src(tmp), sampler); } else { ureg_TEX(shader, tmp, TGSI_TEXTURE_2D, i_vtex, sampler); } ureg_MAD(shader, t_sum, ureg_src(tmp), ureg_imm1f(shader, matrix_values[i]), ureg_src(t_sum)); } ureg_MOV(shader, o_fragment, ureg_src(t_sum)); ureg_END(shader); return ureg_create_shader_and_destroy(shader, filter->pipe); }
static void linear_gradient(struct ureg_program *ureg, struct ureg_dst out, struct ureg_src pos, struct ureg_src sampler, struct ureg_src coords, struct ureg_src const0124, struct ureg_src matrow0, struct ureg_src matrow1, struct ureg_src matrow2) { struct ureg_dst temp0 = ureg_DECL_temporary(ureg); struct ureg_dst temp1 = ureg_DECL_temporary(ureg); struct ureg_dst temp2 = ureg_DECL_temporary(ureg); struct ureg_dst temp3 = ureg_DECL_temporary(ureg); struct ureg_dst temp4 = ureg_DECL_temporary(ureg); struct ureg_dst temp5 = ureg_DECL_temporary(ureg); ureg_MOV(ureg, ureg_writemask(temp0, TGSI_WRITEMASK_XY), pos); ureg_MOV(ureg, ureg_writemask(temp0, TGSI_WRITEMASK_Z), ureg_scalar(const0124, TGSI_SWIZZLE_Y)); ureg_DP3(ureg, temp1, matrow0, ureg_src(temp0)); ureg_DP3(ureg, temp2, matrow1, ureg_src(temp0)); ureg_DP3(ureg, temp3, matrow2, ureg_src(temp0)); ureg_RCP(ureg, temp3, ureg_src(temp3)); ureg_MUL(ureg, temp1, ureg_src(temp1), ureg_src(temp3)); ureg_MUL(ureg, temp2, ureg_src(temp2), ureg_src(temp3)); ureg_MOV(ureg, ureg_writemask(temp4, TGSI_WRITEMASK_X), ureg_src(temp1)); ureg_MOV(ureg, ureg_writemask(temp4, TGSI_WRITEMASK_Y), ureg_src(temp2)); ureg_MUL(ureg, temp0, ureg_scalar(coords, TGSI_SWIZZLE_Y), ureg_scalar(ureg_src(temp4), TGSI_SWIZZLE_Y)); ureg_MAD(ureg, temp1, ureg_scalar(coords, TGSI_SWIZZLE_X), ureg_scalar(ureg_src(temp4), TGSI_SWIZZLE_X), ureg_src(temp0)); ureg_MUL(ureg, temp2, ureg_src(temp1), ureg_scalar(coords, TGSI_SWIZZLE_Z)); ureg_TEX(ureg, out, TGSI_TEXTURE_1D, ureg_src(temp2), sampler); ureg_release_temporary(ureg, temp0); ureg_release_temporary(ureg, temp1); ureg_release_temporary(ureg, temp2); ureg_release_temporary(ureg, temp3); ureg_release_temporary(ureg, temp4); ureg_release_temporary(ureg, temp5); }
void * util_make_vertex_passthrough_shader_with_so(struct pipe_context *pipe, uint num_attribs, const uint *semantic_names, const uint *semantic_indexes, bool window_space, const struct pipe_stream_output_info *so) { struct ureg_program *ureg; uint i; ureg = ureg_create( PIPE_SHADER_VERTEX ); if (!ureg) return NULL; if (window_space) ureg_property(ureg, TGSI_PROPERTY_VS_WINDOW_SPACE_POSITION, TRUE); for (i = 0; i < num_attribs; i++) { struct ureg_src src; struct ureg_dst dst; src = ureg_DECL_vs_input( ureg, i ); dst = ureg_DECL_output( ureg, semantic_names[i], semantic_indexes[i]); ureg_MOV( ureg, dst, src ); } ureg_END( ureg ); return ureg_create_shader_with_so_and_destroy( ureg, pipe, so ); }
/** * Make a fragment shader that copies the input color to N output colors. */ void * util_make_fragment_cloneinput_shader(struct pipe_context *pipe, int num_cbufs, int input_semantic, int input_interpolate) { struct ureg_program *ureg; struct ureg_src src; struct ureg_dst dst[PIPE_MAX_COLOR_BUFS]; int i; assert(num_cbufs <= PIPE_MAX_COLOR_BUFS); ureg = ureg_create( PIPE_SHADER_FRAGMENT ); if (!ureg) return NULL; src = ureg_DECL_fs_input( ureg, input_semantic, 0, input_interpolate ); for (i = 0; i < num_cbufs; i++) dst[i] = ureg_DECL_output( ureg, TGSI_SEMANTIC_COLOR, i ); for (i = 0; i < num_cbufs; i++) ureg_MOV( ureg, dst[i], src ); ureg_END( ureg ); return ureg_create_shader_and_destroy( ureg, pipe ); }
void * util_make_vertex_passthrough_shader_with_so(struct pipe_context *pipe, uint num_attribs, const uint *semantic_names, const uint *semantic_indexes, const struct pipe_stream_output_info *so) { struct ureg_program *ureg; uint i; ureg = ureg_create( TGSI_PROCESSOR_VERTEX ); if (ureg == NULL) return NULL; for (i = 0; i < num_attribs; i++) { struct ureg_src src; struct ureg_dst dst; src = ureg_DECL_vs_input( ureg, i ); dst = ureg_DECL_output( ureg, semantic_names[i], semantic_indexes[i]); ureg_MOV( ureg, dst, src ); } ureg_END( ureg ); return ureg_create_shader_with_so_and_destroy( ureg, pipe, so ); }
/** * If we fail to compile a vertex shader we'll use a dummy/fallback shader * that simply emits a (0,0,0,1) vertex position. */ static const struct tgsi_token * get_dummy_vertex_shader(void) { static const float zero[4] = { 0.0, 0.0, 0.0, 1.0 }; struct ureg_program *ureg; const struct tgsi_token *tokens; struct ureg_src src; struct ureg_dst dst; unsigned num_tokens; ureg = ureg_create(TGSI_PROCESSOR_VERTEX); if (!ureg) return NULL; dst = ureg_DECL_output(ureg, TGSI_SEMANTIC_POSITION, 0); src = ureg_DECL_immediate(ureg, zero, 4); ureg_MOV(ureg, dst, src); ureg_END(ureg); tokens = ureg_get_tokens(ureg, &num_tokens); ureg_destroy(ureg); return tokens; }
/** * Make a fragment shader that copies the input color to N output colors. */ void * util_make_fragment_clonecolor_shader(struct pipe_context *pipe, int num_cbufs) { struct ureg_program *ureg; struct ureg_src src; struct ureg_dst dst[PIPE_MAX_COLOR_BUFS]; int i; assert(num_cbufs <= PIPE_MAX_COLOR_BUFS); ureg = ureg_create( TGSI_PROCESSOR_FRAGMENT ); if (ureg == NULL) return NULL; src = ureg_DECL_fs_input( ureg, TGSI_SEMANTIC_COLOR, 0, TGSI_INTERPOLATE_PERSPECTIVE ); for (i = 0; i < num_cbufs; i++) dst[i] = ureg_DECL_output( ureg, TGSI_SEMANTIC_COLOR, i ); for (i = 0; i < num_cbufs; i++) ureg_MOV( ureg, dst[i], src ); ureg_END( ureg ); return ureg_create_shader_and_destroy( ureg, pipe ); }
/** * If we fail to compile a fragment shader (because it uses too many * registers, for example) we'll use a dummy/fallback shader that * simply emits a constant color (red for debug, black for release). * We hit this with the Unigine/Heaven demo when Shaders = High. * With black, the demo still looks good. */ static const struct tgsi_token * get_dummy_fragment_shader(void) { #ifdef DEBUG static const float color[4] = { 1.0, 0.0, 0.0, 0.0 }; /* red */ #else static const float color[4] = { 0.0, 0.0, 0.0, 0.0 }; /* black */ #endif struct ureg_program *ureg; const struct tgsi_token *tokens; struct ureg_src src; struct ureg_dst dst; unsigned num_tokens; ureg = ureg_create(TGSI_PROCESSOR_FRAGMENT); if (!ureg) return NULL; dst = ureg_DECL_output(ureg, TGSI_SEMANTIC_COLOR, 0); src = ureg_DECL_immediate(ureg, color, 4); ureg_MOV(ureg, dst, src); ureg_END(ureg); tokens = ureg_get_tokens(ureg, &num_tokens); ureg_destroy(ureg); return tokens; }
/** * Make a simple fragment texture shader which reads the texture unit 0 and 1 * and writes it as depth and stencil, respectively. */ void * util_make_fragment_tex_shader_writedepthstencil(struct pipe_context *pipe, unsigned tex_target, unsigned interp_mode, bool load_level_zero, bool use_txf) { struct ureg_program *ureg; struct ureg_src depth_sampler, stencil_sampler; struct ureg_src tex; struct ureg_dst out, depth, stencil; struct ureg_src imm; ureg = ureg_create( PIPE_SHADER_FRAGMENT ); if (!ureg) return NULL; depth_sampler = ureg_DECL_sampler( ureg, 0 ); ureg_DECL_sampler_view(ureg, 0, tex_target, TGSI_RETURN_TYPE_FLOAT, TGSI_RETURN_TYPE_FLOAT, TGSI_RETURN_TYPE_FLOAT, TGSI_RETURN_TYPE_FLOAT); stencil_sampler = ureg_DECL_sampler( ureg, 1 ); ureg_DECL_sampler_view(ureg, 0, tex_target, TGSI_RETURN_TYPE_UINT, TGSI_RETURN_TYPE_UINT, TGSI_RETURN_TYPE_UINT, TGSI_RETURN_TYPE_UINT); tex = ureg_DECL_fs_input( ureg, TGSI_SEMANTIC_GENERIC, 0, interp_mode ); out = ureg_DECL_output( ureg, TGSI_SEMANTIC_COLOR, 0 ); depth = ureg_DECL_output( ureg, TGSI_SEMANTIC_POSITION, 0 ); stencil = ureg_DECL_output( ureg, TGSI_SEMANTIC_STENCIL, 0 ); imm = ureg_imm4f( ureg, 0, 0, 0, 1 ); ureg_MOV( ureg, out, imm ); ureg_load_tex(ureg, ureg_writemask(depth, TGSI_WRITEMASK_Z), tex, depth_sampler, tex_target, load_level_zero, use_txf); ureg_load_tex(ureg, ureg_writemask(stencil, TGSI_WRITEMASK_Y), tex, stencil_sampler, tex_target, load_level_zero, use_txf); ureg_END( ureg ); return ureg_create_shader_and_destroy( ureg, pipe ); }
static void increment_addr(struct ureg_program *shader, struct ureg_dst daddr[2], struct ureg_src saddr[2], bool right_side, bool transposed, int pos, float size) { unsigned wm_start = (right_side == transposed) ? TGSI_WRITEMASK_X : TGSI_WRITEMASK_Y; unsigned wm_tc = (right_side == transposed) ? TGSI_WRITEMASK_Y : TGSI_WRITEMASK_X; /* * daddr[0..1].(start) = saddr[0..1].(start) * daddr[0..1].(tc) = saddr[0..1].(tc) */ ureg_MOV(shader, ureg_writemask(daddr[0], wm_start), saddr[0]); ureg_ADD(shader, ureg_writemask(daddr[0], wm_tc), saddr[0], ureg_imm1f(shader, pos / size)); ureg_MOV(shader, ureg_writemask(daddr[1], wm_start), saddr[1]); ureg_ADD(shader, ureg_writemask(daddr[1], wm_tc), saddr[1], ureg_imm1f(shader, pos / size)); }
static void emit_edgeflags( struct st_translate *t, const struct gl_program *program ) { struct ureg_program *ureg = t->ureg; struct ureg_dst edge_dst = t->outputs[t->outputMapping[VARYING_SLOT_EDGE]]; struct ureg_src edge_src = t->inputs[t->inputMapping[VERT_ATTRIB_EDGEFLAG]]; ureg_MOV( ureg, edge_dst, edge_src ); }
void * st_pbo_create_vs(struct st_context *st) { struct ureg_program *ureg; struct ureg_src in_pos; struct ureg_src in_instanceid; struct ureg_dst out_pos; struct ureg_dst out_layer; ureg = ureg_create(PIPE_SHADER_VERTEX); if (!ureg) return NULL; in_pos = ureg_DECL_vs_input(ureg, TGSI_SEMANTIC_POSITION); out_pos = ureg_DECL_output(ureg, TGSI_SEMANTIC_POSITION, 0); if (st->pbo.layers) { in_instanceid = ureg_DECL_system_value(ureg, TGSI_SEMANTIC_INSTANCEID, 0); if (!st->pbo.use_gs) out_layer = ureg_DECL_output(ureg, TGSI_SEMANTIC_LAYER, 0); } /* out_pos = in_pos */ ureg_MOV(ureg, out_pos, in_pos); if (st->pbo.layers) { if (st->pbo.use_gs) { /* out_pos.z = i2f(gl_InstanceID) */ ureg_I2F(ureg, ureg_writemask(out_pos, TGSI_WRITEMASK_Z), ureg_scalar(in_instanceid, TGSI_SWIZZLE_X)); } else { /* out_layer = gl_InstanceID */ ureg_MOV(ureg, out_layer, in_instanceid); } } ureg_END(ureg); return ureg_create_shader_and_destroy(ureg, st->pipe); }
static void * create_frag_shader_video_buffer(struct vl_compositor *c) { struct ureg_program *shader; struct ureg_src tc; struct ureg_src csc[3]; struct ureg_src sampler[3]; struct ureg_dst texel; struct ureg_dst fragment; unsigned i; shader = ureg_create(TGSI_PROCESSOR_FRAGMENT); if (!shader) return false; tc = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, VS_O_VTEX, TGSI_INTERPOLATE_LINEAR); for (i = 0; i < 3; ++i) { csc[i] = ureg_DECL_constant(shader, i); sampler[i] = ureg_DECL_sampler(shader, i); } texel = ureg_DECL_temporary(shader); fragment = ureg_DECL_output(shader, TGSI_SEMANTIC_COLOR, 0); /* * texel.xyz = tex(tc, sampler[i]) * fragment = csc * texel */ for (i = 0; i < 3; ++i) ureg_TEX(shader, ureg_writemask(texel, TGSI_WRITEMASK_X << i), TGSI_TEXTURE_3D, tc, sampler[i]); ureg_MOV(shader, ureg_writemask(texel, TGSI_WRITEMASK_W), ureg_imm1f(shader, 1.0f)); for (i = 0; i < 3; ++i) ureg_DP4(shader, ureg_writemask(fragment, TGSI_WRITEMASK_X << i), csc[i], ureg_src(texel)); ureg_MOV(shader, ureg_writemask(fragment, TGSI_WRITEMASK_W), ureg_imm1f(shader, 1.0f)); ureg_release_temporary(shader, texel); ureg_END(shader); return ureg_create_shader_and_destroy(shader, c->pipe); }
static void * create_vert_shader(struct vl_deint_filter *filter) { struct ureg_program *shader; struct ureg_src i_vpos; struct ureg_dst o_vpos, o_vtex; shader = ureg_create(PIPE_SHADER_VERTEX); if (!shader) return NULL; i_vpos = ureg_DECL_vs_input(shader, 0); o_vpos = ureg_DECL_output(shader, TGSI_SEMANTIC_POSITION, VS_O_VPOS); o_vtex = ureg_DECL_output(shader, TGSI_SEMANTIC_GENERIC, VS_O_VTEX); ureg_MOV(shader, o_vpos, i_vpos); ureg_MOV(shader, o_vtex, i_vpos); ureg_END(shader); return ureg_create_shader_and_destroy(shader, filter->pipe); }
static void calc_addr(struct ureg_program *shader, struct ureg_dst addr[2], struct ureg_src tc, struct ureg_src start, bool right_side, bool transposed, float size) { unsigned wm_start = (right_side == transposed) ? TGSI_WRITEMASK_X : TGSI_WRITEMASK_Y; unsigned sw_start = right_side ? TGSI_SWIZZLE_Y : TGSI_SWIZZLE_X; unsigned wm_tc = (right_side == transposed) ? TGSI_WRITEMASK_Y : TGSI_WRITEMASK_X; unsigned sw_tc = right_side ? TGSI_SWIZZLE_X : TGSI_SWIZZLE_Y; /* * addr[0..1].(start) = right_side ? start.x : tc.x * addr[0..1].(tc) = right_side ? tc.y : start.y * addr[0..1].z = tc.z * addr[1].(start) += 1.0f / scale */ ureg_MOV(shader, ureg_writemask(addr[0], wm_start), ureg_scalar(start, sw_start)); ureg_MOV(shader, ureg_writemask(addr[0], wm_tc), ureg_scalar(tc, sw_tc)); ureg_ADD(shader, ureg_writemask(addr[1], wm_start), ureg_scalar(start, sw_start), ureg_imm1f(shader, 1.0f / size)); ureg_MOV(shader, ureg_writemask(addr[1], wm_tc), ureg_scalar(tc, sw_tc)); }
/** * This is used when TCS is NULL in the VS->TCS->TES chain. In this case, * VS passes its outputs to TES directly, so the fixed-function shader only * has to write TESSOUTER and TESSINNER. */ void *si_create_fixed_func_tcs(struct si_context *sctx) { struct ureg_src outer, inner; struct ureg_dst tessouter, tessinner; struct ureg_program *ureg = ureg_create(PIPE_SHADER_TESS_CTRL); if (!ureg) return NULL; outer = ureg_DECL_system_value(ureg, TGSI_SEMANTIC_DEFAULT_TESSOUTER_SI, 0); inner = ureg_DECL_system_value(ureg, TGSI_SEMANTIC_DEFAULT_TESSINNER_SI, 0); tessouter = ureg_DECL_output(ureg, TGSI_SEMANTIC_TESSOUTER, 0); tessinner = ureg_DECL_output(ureg, TGSI_SEMANTIC_TESSINNER, 0); ureg_MOV(ureg, tessouter, outer); ureg_MOV(ureg, tessinner, inner); ureg_END(ureg); return ureg_create_shader_and_destroy(ureg, &sctx->b); }
void vl_idct_stage2_vert_shader(struct vl_idct *idct, struct ureg_program *shader, unsigned first_output, struct ureg_dst tex) { struct ureg_src vrect, vpos; struct ureg_src scale; struct ureg_dst t_start; struct ureg_dst o_l_addr[2], o_r_addr[2]; vrect = ureg_DECL_vs_input(shader, VS_I_RECT); vpos = ureg_DECL_vs_input(shader, VS_I_VPOS); t_start = ureg_DECL_temporary(shader); --first_output; o_l_addr[0] = ureg_DECL_output(shader, TGSI_SEMANTIC_GENERIC, first_output + VS_O_L_ADDR0); o_l_addr[1] = ureg_DECL_output(shader, TGSI_SEMANTIC_GENERIC, first_output + VS_O_L_ADDR1); o_r_addr[0] = ureg_DECL_output(shader, TGSI_SEMANTIC_GENERIC, first_output + VS_O_R_ADDR0); o_r_addr[1] = ureg_DECL_output(shader, TGSI_SEMANTIC_GENERIC, first_output + VS_O_R_ADDR1); scale = ureg_imm2f(shader, (float)VL_BLOCK_WIDTH / idct->buffer_width, (float)VL_BLOCK_HEIGHT / idct->buffer_height); ureg_MUL(shader, ureg_writemask(tex, TGSI_WRITEMASK_Z), ureg_scalar(vrect, TGSI_SWIZZLE_X), ureg_imm1f(shader, VL_BLOCK_WIDTH / idct->nr_of_render_targets)); ureg_MUL(shader, ureg_writemask(t_start, TGSI_WRITEMASK_XY), vpos, scale); calc_addr(shader, o_l_addr, vrect, ureg_imm1f(shader, 0.0f), false, false, VL_BLOCK_WIDTH / 4); calc_addr(shader, o_r_addr, ureg_src(tex), ureg_src(t_start), true, false, idct->buffer_height / 4); ureg_MOV(shader, ureg_writemask(o_r_addr[0], TGSI_WRITEMASK_Z), ureg_src(tex)); ureg_MOV(shader, ureg_writemask(o_r_addr[1], TGSI_WRITEMASK_Z), ureg_src(tex)); }
void * util_make_geometry_passthrough_shader(struct pipe_context *pipe, uint num_attribs, const ubyte *semantic_names, const ubyte *semantic_indexes) { static const unsigned zero[4] = {0, 0, 0, 0}; struct ureg_program *ureg; struct ureg_dst dst[PIPE_MAX_SHADER_OUTPUTS]; struct ureg_src src[PIPE_MAX_SHADER_INPUTS]; struct ureg_src imm; unsigned i; ureg = ureg_create(PIPE_SHADER_GEOMETRY); if (!ureg) return NULL; ureg_property(ureg, TGSI_PROPERTY_GS_INPUT_PRIM, PIPE_PRIM_POINTS); ureg_property(ureg, TGSI_PROPERTY_GS_OUTPUT_PRIM, PIPE_PRIM_POINTS); ureg_property(ureg, TGSI_PROPERTY_GS_MAX_OUTPUT_VERTICES, 1); ureg_property(ureg, TGSI_PROPERTY_GS_INVOCATIONS, 1); imm = ureg_DECL_immediate_uint(ureg, zero, 4); /** * Loop over all the attribs and declare the corresponding * declarations in the geometry shader */ for (i = 0; i < num_attribs; i++) { src[i] = ureg_DECL_input(ureg, semantic_names[i], semantic_indexes[i], 0, 1); src[i] = ureg_src_dimension(src[i], 0); dst[i] = ureg_DECL_output(ureg, semantic_names[i], semantic_indexes[i]); } /* MOV dst[i] src[i] */ for (i = 0; i < num_attribs; i++) { ureg_MOV(ureg, dst[i], src[i]); } /* EMIT IMM[0] */ ureg_insn(ureg, TGSI_OPCODE_EMIT, NULL, 0, &imm, 1, 0); /* END */ ureg_END(ureg); return ureg_create_shader_and_destroy(ureg, pipe); }
/** * Create a simple fragment shader that sets the color to white. */ static void *create_white_fs(struct pipe_context *pipe) { struct ureg_program *ureg; struct ureg_dst out; struct ureg_src imm; ureg = ureg_create(TGSI_PROCESSOR_FRAGMENT); out = ureg_DECL_output(ureg, TGSI_SEMANTIC_COLOR, 0); imm = ureg_imm4f(ureg, 1.0f, 1.0f, 1.0f, 1.0f); ureg_MOV(ureg, out, imm); ureg_END(ureg); return ureg_create_shader_and_destroy(ureg, pipe); }
/** * Create a simple fragment shader that sets the depth to 0.0f. */ static void *create_scissor_fs(struct pipe_context *pipe) { struct ureg_program *ureg; struct ureg_dst out; struct ureg_src imm; ureg = ureg_create(TGSI_PROCESSOR_FRAGMENT); out = ureg_DECL_output(ureg, TGSI_SEMANTIC_POSITION, 0); imm = ureg_imm4f(ureg, 0.0f, 0.0f, 0.0f, 0.0f); ureg_MOV(ureg, ureg_writemask(out, TGSI_WRITEMASK_Z), imm); ureg_END(ureg); return ureg_create_shader_and_destroy(ureg, pipe); }
static void * create_frag_shader_palette(struct vl_compositor *c, bool include_cc) { struct ureg_program *shader; struct ureg_src csc[3]; struct ureg_src tc; struct ureg_src sampler; struct ureg_src palette; struct ureg_dst texel; struct ureg_dst fragment; unsigned i; shader = ureg_create(TGSI_PROCESSOR_FRAGMENT); if (!shader) return false; for (i = 0; include_cc && i < 3; ++i) csc[i] = ureg_DECL_constant(shader, i); tc = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, VS_O_VTEX, TGSI_INTERPOLATE_LINEAR); sampler = ureg_DECL_sampler(shader, 0); palette = ureg_DECL_sampler(shader, 1); texel = ureg_DECL_temporary(shader); fragment = ureg_DECL_output(shader, TGSI_SEMANTIC_COLOR, 0); /* * texel = tex(tc, sampler) * fragment.xyz = tex(texel, palette) * csc * fragment.a = texel.a */ ureg_TEX(shader, texel, TGSI_TEXTURE_2D, tc, sampler); ureg_MOV(shader, ureg_writemask(fragment, TGSI_WRITEMASK_W), ureg_src(texel)); if (include_cc) { ureg_TEX(shader, texel, TGSI_TEXTURE_1D, ureg_src(texel), palette); for (i = 0; i < 3; ++i) ureg_DP4(shader, ureg_writemask(fragment, TGSI_WRITEMASK_X << i), csc[i], ureg_src(texel)); } else { ureg_TEX(shader, ureg_writemask(fragment, TGSI_WRITEMASK_XYZ), TGSI_TEXTURE_1D, ureg_src(texel), palette); } ureg_release_temporary(shader, texel); ureg_END(shader); return ureg_create_shader_and_destroy(shader, c->pipe); }