diff options
Diffstat (limited to 'source/blender/draw/intern/shaders')
3 files changed, 99 insertions, 88 deletions
diff --git a/source/blender/draw/intern/shaders/common_gpencil_lib.glsl b/source/blender/draw/intern/shaders/common_gpencil_lib.glsl index 123c493b572..def841b07aa 100644 --- a/source/blender/draw/intern/shaders/common_gpencil_lib.glsl +++ b/source/blender/draw/intern/shaders/common_gpencil_lib.glsl @@ -90,10 +90,15 @@ float gpencil_clamp_small_stroke_thickness(float thickness, vec4 ndc_pos) #ifdef GPU_VERTEX_SHADER -/* Trick to detect if a drawcall is stroke or fill. - * This does mean that we need to draw an empty stroke segment before starting - * to draw the real stroke segments. */ -# define GPENCIL_IS_STROKE_VERTEX (gl_InstanceID != 0) +int gpencil_stroke_point_id() +{ + return (gl_VertexID & ~GP_IS_STROKE_VERTEX_BIT) >> GP_VERTEX_ID_SHIFT; +} + +bool gpencil_is_stroke_vertex() +{ + return flag_test(gl_VertexID, GP_IS_STROKE_VERTEX_BIT); +} /** * Returns value of gl_Position. @@ -120,20 +125,7 @@ float gpencil_clamp_small_stroke_thickness(float thickness, vec4 ndc_pos) * WARNING: Max attribute count is actually 14 because OSX OpenGL implementation * considers gl_VertexID and gl_InstanceID as vertex attribute. (see T74536) */ -vec4 gpencil_vertex(ivec4 ma, - ivec4 ma1, - ivec4 ma2, - ivec4 ma3, - vec4 pos, - vec4 pos1, - vec4 pos2, - vec4 pos3, - vec4 uv1, - vec4 uv2, - vec4 col1, - vec4 col2, - vec4 fcol1, - vec4 viewport_size, +vec4 gpencil_vertex(vec4 viewport_size, gpMaterialFlag material_flags, vec2 alignment_rot, /* World Position. */ @@ -155,6 +147,24 @@ vec4 gpencil_vertex(ivec4 ma, /* Stroke hardness. */ out float out_hardness) { + int stroke_point_id = (gl_VertexID & ~GP_IS_STROKE_VERTEX_BIT) >> GP_VERTEX_ID_SHIFT; + + /* Attribute Loading. */ + vec4 pos = texelFetch(gp_pos_tx, (stroke_point_id - 1) * 3 + 0); + vec4 pos1 = texelFetch(gp_pos_tx, (stroke_point_id + 0) * 3 + 0); + vec4 pos2 = texelFetch(gp_pos_tx, (stroke_point_id + 1) * 3 + 0); + vec4 pos3 = texelFetch(gp_pos_tx, (stroke_point_id + 2) * 3 + 0); + ivec4 ma = floatBitsToInt(texelFetch(gp_pos_tx, (stroke_point_id - 1) * 3 + 1)); + ivec4 ma1 = floatBitsToInt(texelFetch(gp_pos_tx, (stroke_point_id + 0) * 3 + 1)); + ivec4 ma2 = floatBitsToInt(texelFetch(gp_pos_tx, (stroke_point_id + 1) * 3 + 1)); + ivec4 ma3 = floatBitsToInt(texelFetch(gp_pos_tx, (stroke_point_id + 2) * 3 + 1)); + vec4 uv1 = texelFetch(gp_pos_tx, (stroke_point_id + 0) * 3 + 2); + vec4 uv2 = texelFetch(gp_pos_tx, (stroke_point_id + 1) * 3 + 2); + + vec4 col1 = texelFetch(gp_col_tx, (stroke_point_id + 0) * 2 + 0); + vec4 col2 = texelFetch(gp_col_tx, (stroke_point_id + 1) * 2 + 0); + vec4 fcol1 = texelFetch(gp_col_tx, (stroke_point_id + 0) * 2 + 1); + # define thickness1 pos1.w # define thickness2 pos2.w # define strength1 uv1.w @@ -167,7 +177,7 @@ vec4 gpencil_vertex(ivec4 ma, vec4 out_ndc; - if (GPENCIL_IS_STROKE_VERTEX) { + if (gpencil_is_stroke_vertex()) { bool is_dot = flag_test(material_flags, GP_STROKE_ALIGNMENT); bool is_squares = !flag_test(material_flags, GP_STROKE_DOTS); @@ -177,13 +187,6 @@ vec4 gpencil_vertex(ivec4 ma, is_squares = false; } - /* Endpoints, we discard the vertices. */ - if (ma1.x == -1 || (!is_dot && ma2.x == -1)) { - /* We set the vertex at the camera origin to generate 0 fragments. */ - out_ndc = vec4(0.0, 0.0, -3e36, 0.0); - return out_ndc; - } - /* Avoid using a vertex attribute for quad positioning. */ float x = float(gl_VertexID & 1) * 2.0 - 1.0; /* [-1..1] */ float y = float(gl_VertexID & 2) - 1.0; /* [-1..1] */ @@ -336,8 +339,7 @@ vec4 gpencil_vertex(ivec4 ma, out_N = safe_normalize(N); /* Decode fill opacity. */ - out_color = vec4(fcol1.rgb, floor(fcol1.a / 10.0)); - out_color.a /= 10000.0; + out_color = vec4(fcol1.rgb, floor(fcol1.a / 10.0) / 10000.0); /* We still offset the fills a little to avoid overlaps */ out_ndc.z += 0.000002; @@ -355,20 +357,7 @@ vec4 gpencil_vertex(ivec4 ma, return out_ndc; } -vec4 gpencil_vertex(ivec4 ma, - ivec4 ma1, - ivec4 ma2, - ivec4 ma3, - vec4 pos, - vec4 pos1, - vec4 pos2, - vec4 pos3, - vec4 uv1, - vec4 uv2, - vec4 col1, - vec4 col2, - vec4 fcol1, - vec4 viewport_size, +vec4 gpencil_vertex(vec4 viewport_size, out vec3 out_P, out vec3 out_N, out vec4 out_color, @@ -379,20 +368,7 @@ vec4 gpencil_vertex(ivec4 ma, out vec2 out_thickness, out float out_hardness) { - return gpencil_vertex(ma, - ma1, - ma2, - ma3, - pos, - pos1, - pos2, - pos3, - uv1, - uv2, - col1, - col2, - fcol1, - viewport_size, + return gpencil_vertex(viewport_size, 0u, vec2(1.0, 0.0), out_P, diff --git a/source/blender/draw/intern/shaders/common_pointcloud_lib.glsl b/source/blender/draw/intern/shaders/common_pointcloud_lib.glsl index dd725ad327f..8725e036435 100644 --- a/source/blender/draw/intern/shaders/common_pointcloud_lib.glsl +++ b/source/blender/draw/intern/shaders/common_pointcloud_lib.glsl @@ -2,16 +2,10 @@ /* NOTE: To be used with UNIFORM_RESOURCE_ID and INSTANCED_ATTR as define. */ #pragma BLENDER_REQUIRE(common_view_lib.glsl) -#ifndef DRW_SHADER_SHARED_H - -in vec4 pos; /* Position and radius. */ - -/* ---- Instanced attribs ---- */ - -in vec3 pos_inst; -in vec3 nor; - -#endif +int pointcloud_get_point_id() +{ + return gl_VertexID / 32; +} mat3 pointcloud_get_facing_matrix(vec3 p) { @@ -25,8 +19,10 @@ mat3 pointcloud_get_facing_matrix(vec3 p) /* Returns world center position and radius. */ void pointcloud_get_pos_and_radius(out vec3 outpos, out float outradius) { - outpos = point_object_to_world(pos.xyz); - outradius = dot(abs(mat3(ModelMatrix) * pos.www), vec3(1.0 / 3.0)); + int id = pointcloud_get_point_id(); + vec4 pos_rad = texelFetch(ptcloud_pos_rad_tx, id); + outpos = point_object_to_world(pos_rad.xyz); + outradius = dot(abs(mat3(ModelMatrix) * pos_rad.www), vec3(1.0 / 3.0)); } /* Return world position and normal. */ @@ -38,15 +34,67 @@ void pointcloud_get_pos_and_nor(out vec3 outpos, out vec3 outnor) mat3 facing_mat = pointcloud_get_facing_matrix(p); + /** \note: Avoid modulo by non-power-of-two in shader. See Index buffer setup. */ + int vert_id = gl_VertexID % 32; + vec3 pos_inst = vec3(0.0); + + switch (vert_id) { + case 0: + pos_inst.z = 1.0; + break; + case 1: + pos_inst.x = 1.0; + break; + case 2: + pos_inst.y = 1.0; + break; + case 3: + pos_inst.x = -1.0; + break; + case 4: + pos_inst.y = -1.0; + break; + } + /* TODO(fclem): remove multiplication here. Here only for keeping the size correct for now. */ radius *= 0.01; - outpos = p + (facing_mat * pos_inst) * radius; - outnor = facing_mat * nor; + outnor = facing_mat * pos_inst; + outpos = p + outnor * radius; } -vec3 pointcloud_get_pos(void) +vec3 pointcloud_get_pos() { vec3 outpos, outnor; pointcloud_get_pos_and_nor(outpos, outnor); return outpos; } + +float pointcloud_get_customdata_float(const samplerBuffer cd_buf) +{ + int id = pointcloud_get_point_id(); + return texelFetch(cd_buf, id).r; +} + +vec2 pointcloud_get_customdata_vec2(const samplerBuffer cd_buf) +{ + int id = pointcloud_get_point_id(); + return texelFetch(cd_buf, id).rg; +} + +vec3 pointcloud_get_customdata_vec3(const samplerBuffer cd_buf) +{ + int id = pointcloud_get_point_id(); + return texelFetch(cd_buf, id).rgb; +} + +vec4 pointcloud_get_customdata_vec4(const samplerBuffer cd_buf) +{ + int id = pointcloud_get_point_id(); + return texelFetch(cd_buf, id).rgba; +} + +vec2 pointcloud_get_barycentric(void) +{ + /* TODO: To be implemented. */ + return vec2(0.0); +} diff --git a/source/blender/draw/intern/shaders/draw_view_info.hh b/source/blender/draw/intern/shaders/draw_view_info.hh index 7b500f66a68..23892a39062 100644 --- a/source/blender/draw/intern/shaders/draw_view_info.hh +++ b/source/blender/draw/intern/shaders/draw_view_info.hh @@ -112,9 +112,7 @@ GPU_SHADER_CREATE_INFO(draw_hair) .additional_info("draw_modelmat", "draw_resource_id"); GPU_SHADER_CREATE_INFO(draw_pointcloud) - .vertex_in(0, Type::VEC4, "pos") - .vertex_in(1, Type::VEC3, "pos_inst") - .vertex_in(2, Type::VEC3, "nor") + .sampler(0, ImageType::FLOAT_BUFFER, "ptcloud_pos_rad_tx", Frequency::BATCH) .additional_info("draw_modelmat_instanced_attr", "draw_resource_id_uniform"); GPU_SHADER_CREATE_INFO(draw_volume).additional_info("draw_modelmat", "draw_resource_id_uniform"); @@ -122,26 +120,15 @@ GPU_SHADER_CREATE_INFO(draw_volume).additional_info("draw_modelmat", "draw_resou GPU_SHADER_CREATE_INFO(draw_gpencil) .typedef_source("gpencil_shader_shared.h") .define("DRW_GPENCIL_INFO") - .vertex_in(0, Type::IVEC4, "ma") - .vertex_in(1, Type::IVEC4, "ma1") - .vertex_in(2, Type::IVEC4, "ma2") - .vertex_in(3, Type::IVEC4, "ma3") - .vertex_in(4, Type::VEC4, "pos") - .vertex_in(5, Type::VEC4, "pos1") - .vertex_in(6, Type::VEC4, "pos2") - .vertex_in(7, Type::VEC4, "pos3") - .vertex_in(8, Type::VEC4, "uv1") - .vertex_in(9, Type::VEC4, "uv2") - .vertex_in(10, Type::VEC4, "col1") - .vertex_in(11, Type::VEC4, "col2") - .vertex_in(12, Type::VEC4, "fcol1") + .sampler(0, ImageType::FLOAT_BUFFER, "gp_pos_tx") + .sampler(1, ImageType::FLOAT_BUFFER, "gp_col_tx") /* Per Object */ .push_constant(Type::FLOAT, "gpThicknessScale") /* TODO(fclem): Replace with object info. */ .push_constant(Type::FLOAT, "gpThicknessWorldScale") /* TODO(fclem): Same as above. */ .define("gpThicknessIsScreenSpace", "(gpThicknessWorldScale < 0.0)") /* Per Layer */ .push_constant(Type::FLOAT, "gpThicknessOffset") - .additional_info("draw_modelmat", "draw_resource_id_uniform", "draw_object_infos"); + .additional_info("draw_modelmat", "draw_object_infos"); /** \} */ |