diff options
Diffstat (limited to 'mesalib/src/gallium/auxiliary/util/u_simple_shaders.c')
| -rw-r--r-- | mesalib/src/gallium/auxiliary/util/u_simple_shaders.c | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/mesalib/src/gallium/auxiliary/util/u_simple_shaders.c b/mesalib/src/gallium/auxiliary/util/u_simple_shaders.c index c93d75469..82f23ebec 100644 --- a/mesalib/src/gallium/auxiliary/util/u_simple_shaders.c +++ b/mesalib/src/gallium/auxiliary/util/u_simple_shaders.c @@ -99,6 +99,32 @@ util_make_vertex_passthrough_shader_with_so(struct pipe_context *pipe, } +void *util_make_layered_clear_vertex_shader(struct pipe_context *pipe) +{ + static const char text[] = + "VERT\n" + "DCL IN[0]\n" + "DCL IN[1]\n" + "DCL SV[0], INSTANCEID\n" + "DCL OUT[0], POSITION\n" + "DCL OUT[1], GENERIC[0]\n" + "DCL OUT[2], LAYER\n" + + "MOV OUT[0], IN[0]\n" + "MOV OUT[1], IN[1]\n" + "MOV OUT[2], SV[0]\n" + "END\n"; + struct tgsi_token tokens[1000]; + struct pipe_shader_state state = {tokens}; + + if (!tgsi_text_translate(text, tokens, Elements(tokens))) { + assert(0); + return NULL; + } + return pipe->create_vs_state(pipe, &state); +} + + /** * Make simple fragment texture shader: * IMM {0,0,0,1} // (if writemask != 0xf) @@ -527,3 +553,157 @@ util_make_fs_blit_msaa_depthstencil(struct pipe_context *pipe, return pipe->create_fs_state(pipe, &state); } + + +void * +util_make_fs_msaa_resolve(struct pipe_context *pipe, + unsigned tgsi_tex, unsigned nr_samples, + boolean is_uint, boolean is_sint) +{ + struct ureg_program *ureg; + struct ureg_src sampler, coord; + struct ureg_dst out, tmp_sum, tmp_coord, tmp; + int i; + + ureg = ureg_create(TGSI_PROCESSOR_FRAGMENT); + if (!ureg) + return NULL; + + /* Declarations. */ + sampler = ureg_DECL_sampler(ureg, 0); + 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 (is_uint) + ureg_U2F(ureg, tmp, ureg_src(tmp)); + else if (is_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 (is_uint) + ureg_F2U(ureg, out, ureg_src(tmp_sum)); + else if (is_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); +} + + +void * +util_make_fs_msaa_resolve_bilinear(struct pipe_context *pipe, + unsigned tgsi_tex, unsigned nr_samples, + boolean is_uint, boolean is_sint) +{ + struct ureg_program *ureg; + struct ureg_src sampler, coord; + struct ureg_dst out, tmp, top, bottom; + struct ureg_dst tmp_coord[4], tmp_sum[4]; + int i, c; + + ureg = ureg_create(TGSI_PROCESSOR_FRAGMENT); + if (!ureg) + return NULL; + + /* Declarations. */ + sampler = ureg_DECL_sampler(ureg, 0); + coord = ureg_DECL_fs_input(ureg, TGSI_SEMANTIC_GENERIC, 0, + TGSI_INTERPOLATE_LINEAR); + out = ureg_DECL_output(ureg, TGSI_SEMANTIC_COLOR, 0); + for (c = 0; c < 4; c++) + tmp_sum[c] = ureg_DECL_temporary(ureg); + for (c = 0; c < 4; c++) + tmp_coord[c] = ureg_DECL_temporary(ureg); + tmp = ureg_DECL_temporary(ureg); + top = ureg_DECL_temporary(ureg); + bottom = ureg_DECL_temporary(ureg); + + /* Instructions. */ + for (c = 0; c < 4; c++) + ureg_MOV(ureg, tmp_sum[c], ureg_imm1f(ureg, 0)); + + /* Get 4 texture coordinates for the bilinear filter. */ + ureg_F2U(ureg, tmp_coord[0], coord); /* top-left */ + ureg_UADD(ureg, tmp_coord[1], ureg_src(tmp_coord[0]), + ureg_imm4u(ureg, 1, 0, 0, 0)); /* top-right */ + ureg_UADD(ureg, tmp_coord[2], ureg_src(tmp_coord[0]), + ureg_imm4u(ureg, 0, 1, 0, 0)); /* bottom-left */ + ureg_UADD(ureg, tmp_coord[3], ureg_src(tmp_coord[0]), + ureg_imm4u(ureg, 1, 1, 0, 0)); /* bottom-right */ + + for (i = 0; i < nr_samples; i++) { + for (c = 0; c < 4; c++) { + /* Read one sample. */ + ureg_MOV(ureg, ureg_writemask(tmp_coord[c], TGSI_WRITEMASK_W), + ureg_imm1u(ureg, i)); + ureg_TXF(ureg, tmp, tgsi_tex, ureg_src(tmp_coord[c]), sampler); + + if (is_uint) + ureg_U2F(ureg, tmp, ureg_src(tmp)); + else if (is_sint) + ureg_I2F(ureg, tmp, ureg_src(tmp)); + + /* Add it to the sum.*/ + ureg_ADD(ureg, tmp_sum[c], ureg_src(tmp_sum[c]), ureg_src(tmp)); + } + } + + /* Calculate the average. */ + for (c = 0; c < 4; c++) + ureg_MUL(ureg, tmp_sum[c], ureg_src(tmp_sum[c]), + ureg_imm1f(ureg, 1.0 / nr_samples)); + + /* Take the 4 average values and apply a standard bilinear filter. */ + ureg_FRC(ureg, tmp, coord); + + ureg_LRP(ureg, top, + ureg_scalar(ureg_src(tmp), 0), + ureg_src(tmp_sum[1]), + ureg_src(tmp_sum[0])); + + ureg_LRP(ureg, bottom, + ureg_scalar(ureg_src(tmp), 0), + ureg_src(tmp_sum[3]), + ureg_src(tmp_sum[2])); + + ureg_LRP(ureg, tmp, + ureg_scalar(ureg_src(tmp), 1), + ureg_src(bottom), + ureg_src(top)); + + /* Convert to the texture format and return. */ + if (is_uint) + ureg_F2U(ureg, out, ureg_src(tmp)); + else if (is_sint) + ureg_F2I(ureg, out, ureg_src(tmp)); + else + ureg_MOV(ureg, out, ureg_src(tmp)); + + ureg_END(ureg); + + return ureg_create_shader_and_destroy(ureg, pipe); +} |