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armory3d.armortools
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paint
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make_blur.ts

make_blur.ts 6.2 KB
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  1. 

  2. function make_blur_run(kong: node_shader_t) {
    3. 

  3. 	// node_shader_write_frag(kong, "var tex_coord_inp: float2 = gbuffer2[uint2(sp.x * constants.gbuffer_size.x, sp.y * constants.gbuffer_size.y)].ba;");
    4. 

  4. 	node_shader_write_frag(kong, "var tex_coord_inp4: float4 = gbuffer2[uint2(uint(sp.x * constants.gbuffer_size.x), uint(sp.y * constants.gbuffer_size.y))];");
    5. 

  5. 	node_shader_write_frag(kong, "var tex_coord_inp: float2 = tex_coord_inp4.ba;");
    6. 

  6. 

  7. 	node_shader_write_frag(kong, "var basecol: float3 = float3(0.0, 0.0, 0.0);");
    8. 

  8. 	node_shader_write_frag(kong, "var roughness: float = 0.0;");
    9. 

  9. 	node_shader_write_frag(kong, "var metallic: float = 0.0;");
    10. 

  10. 	node_shader_write_frag(kong, "var occlusion: float = 0.0;");
    11. 

  11. 	node_shader_write_frag(kong, "var nortan: float3 = float3(0.0, 0.0, 0.0);");
    12. 

  12. 	node_shader_write_frag(kong, "var height: float = 0.0;");
    13. 

  13. 	node_shader_write_frag(kong, "var mat_opacity: float = 1.0;");
    14. 

  14. 	let is_mask: bool = slot_layer_is_mask(context_raw.layer);
    15. 

  15. 	if (is_mask) {
    16. 

  16. 		node_shader_write_frag(kong, "var opacity: float = 1.0;");
    17. 

  17. 	}
    18. 

  18. 	else {
    19. 

  19. 		node_shader_write_frag(kong, "var opacity: float = 0.0;");
    20. 

  20. 	}
    21. 

  21. 	if (context_raw.material.paint_emis) {
    22. 

  22. 		node_shader_write_frag(kong, "var emis: float = 0.0;");
    23. 

  23. 	}
    24. 

  24. 	if (context_raw.material.paint_subs) {
    25. 

  25. 		node_shader_write_frag(kong, "var subs: float = 0.0;");
    26. 

  26. 	}
    27. 

  27. 

  28. 	node_shader_add_constant(kong, "texpaint_size: float2", "_texpaint_size");
    29. 

  29. 	node_shader_write_frag(kong, "var blur_step: float = 1.0 / constants.texpaint_size.x;");
    30. 

  30. 	if (context_raw.tool == tool_type_t.SMUDGE) {
    31. 

  31. 		// node_shader_write_frag(kong, "const blur_weight: float[7] = {1.0 / 28.0, 2.0 / 28.0, 3.0 / 28.0, 4.0 / 28.0, 5.0 / 28.0, 6.0 / 28.0, 7.0 / 28.0};");
    32. 

  32. 		node_shader_add_function(kong, str_get_smudge_tool_weight);
    33. 

  33. 		node_shader_add_constant(kong, "brush_direction: float3", "_brush_direction");
    34. 

  34. 		node_shader_write_frag(kong, "var blur_direction: float2 = constants.brush_direction.yx;");
    35. 

  35. 		node_shader_write_frag(kong, "for (var i: int = 0; i < 7; i += 1) {");
    36. 

  36. 		// node_shader_write_frag(kong, "var tex_coord_inp2: float2 = gbuffer2[uint2((sp.x + blur_direction.x * blur_step * float(i)) * constants.gbuffer_size.x, (sp.y + blur_direction.y * blur_step * float(i)) * constants.gbuffer_size.y)].ba;");
    37. 

  37. 		node_shader_write_frag(kong, "var tex_coord_inp24: float4 = gbuffer2[uint2(uint((sp.x + blur_direction.x * blur_step * float(i)) * constants.gbuffer_size.x), uint((sp.y + blur_direction.y * blur_step * float(i)) * constants.gbuffer_size.y))];");
    38. 

  38. 		node_shader_write_frag(kong, "var tex_coord_inp2: float2 = tex_coord_inp24.ba;");
    39. 

  39. 		node_shader_write_frag(kong, "var texpaint_sample: float4 = sample(texpaint_undo, sampler_linear, tex_coord_inp2);");
    40. 

  40. 		node_shader_write_frag(kong, "var blur_weight_i: float = get_smudge_tool_weight(i);");
    41. 

  41. 		node_shader_write_frag(kong, "opacity += texpaint_sample.a * blur_weight_i;");
    42. 

  42. 		node_shader_write_frag(kong, "basecol += texpaint_sample.rgb * blur_weight_i;");
    43. 

  43. 		node_shader_write_frag(kong, "var texpaint_pack_sample: float4 = sample(texpaint_pack_undo, sampler_linear, tex_coord_inp2) * blur_weight_i;");
    44. 

  44. 		node_shader_write_frag(kong, "roughness += texpaint_pack_sample.g;");
    45. 

  45. 		node_shader_write_frag(kong, "metallic += texpaint_pack_sample.b;");
    46. 

  46. 		node_shader_write_frag(kong, "occlusion += texpaint_pack_sample.r;");
    47. 

  47. 		node_shader_write_frag(kong, "height += texpaint_pack_sample.a;");
    48. 

  48. 		node_shader_write_frag(kong, "nortan += sample(texpaint_nor_undo, sampler_linear, tex_coord_inp2).rgb * blur_weight_i;");
    49. 

  49. 		node_shader_write_frag(kong, "}");
    50. 

  50. 	}
    51. 

  51. 	else {
    52. 

  52. 		// node_shader_write_frag(kong, "const blur_weight: float[15] = {0.034619 / 2.0, 0.044859 / 2.0, 0.055857 / 2.0, 0.066833 / 2.0, 0.076841 / 2.0, 0.084894 / 2.0, 0.090126 / 2.0, 0.09194 / 2.0, 0.090126 / 2.0, 0.084894 / 2.0, 0.076841 / 2.0, 0.066833 / 2.0, 0.055857 / 2.0, 0.044859 / 2.0, 0.034619 / 2.0};");
    53. 

  53. 		node_shader_add_function(kong, str_get_blur_tool_weight);
    54. 

  54. 		// X
    55. 

  55. 		node_shader_write_frag(kong, "for (var i: int = 0; i <= 14; i += 1) {");
    56. 

  56. 		node_shader_write_frag(kong, "var texpaint_sample: float4 = sample(texpaint_undo, sampler_linear, tex_coord_inp + float2(blur_step * float(i - 7), 0.0));");
    57. 

  57. 		node_shader_write_frag(kong, "var blur_weight_i: float = get_blur_tool_weight(i);");
    58. 

  58. 		node_shader_write_frag(kong, "opacity += texpaint_sample.a * blur_weight_i;");
    59. 

  59. 		node_shader_write_frag(kong, "basecol += texpaint_sample.rgb * blur_weight_i;");
    60. 

  60. 		node_shader_write_frag(kong, "var texpaint_pack_sample: float4 = sample(texpaint_pack_undo, sampler_linear, tex_coord_inp + float2(blur_step * float(i - 7), 0.0)) * blur_weight_i;");
    61. 

  61. 		node_shader_write_frag(kong, "roughness += texpaint_pack_sample.g;");
    62. 

  62. 		node_shader_write_frag(kong, "metallic += texpaint_pack_sample.b;");
    63. 

  63. 		node_shader_write_frag(kong, "occlusion += texpaint_pack_sample.r;");
    64. 

  64. 		node_shader_write_frag(kong, "height += texpaint_pack_sample.a;");
    65. 

  65. 		node_shader_write_frag(kong, "nortan += sample(texpaint_nor_undo, sampler_linear, tex_coord_inp + float2(blur_step * float(i - 7), 0.0)).rgb * blur_weight_i;");
    66. 

  66. 		node_shader_write_frag(kong, "}");
    67. 

  67. 		// Y
    68. 

  68. 		node_shader_write_frag(kong, "for (var j: int = 0; j <= 14; j += 1) {");
    69. 

  69. 		node_shader_write_frag(kong, "var texpaint_sample: float4 = sample(texpaint_undo, sampler_linear, tex_coord_inp + float2(0.0, blur_step * float(j - 7)));");
    70. 

  70. 		node_shader_write_frag(kong, "var blur_weight_j: float = get_blur_tool_weight(j);");
    71. 

  71. 		node_shader_write_frag(kong, "opacity += texpaint_sample.a * blur_weight_j;");
    72. 

  72. 		node_shader_write_frag(kong, "basecol += texpaint_sample.rgb * blur_weight_j;");
    73. 

  73. 		node_shader_write_frag(kong, "var texpaint_pack_sample: float4 = sample(texpaint_pack_undo, sampler_linear, tex_coord_inp + float2(0.0, blur_step * float(j - 7))) * blur_weight_j;");
    74. 

  74. 		node_shader_write_frag(kong, "roughness += texpaint_pack_sample.g;");
    75. 

  75. 		node_shader_write_frag(kong, "metallic += texpaint_pack_sample.b;");
    76. 

  76. 		node_shader_write_frag(kong, "occlusion += texpaint_pack_sample.r;");
    77. 

  77. 		node_shader_write_frag(kong, "height += texpaint_pack_sample.a;");
    78. 

  78. 		node_shader_write_frag(kong, "nortan += sample(texpaint_nor_undo, sampler_linear, tex_coord_inp + float2(0.0, blur_step * float(j - 7))).rgb * blur_weight_j;");
    79. 

  79. 		node_shader_write_frag(kong, "}");
    80. 

  80. 	}
    81. 

  81. 	node_shader_write_frag(kong, "opacity *= constants.brush_opacity;");
    82. 

  82. }
    83.