blender::ed::greasepencil::image_render Namespace Reference

Classes
struct	RegionViewData

Functions
RegionViewData	region_init (ARegion &region, const int2 &win_size)
void	region_reset (ARegion &region, const RegionViewData &data)
GPUOffScreen *	image_render_begin (const int2 &win_size)
Image *	image_render_end (Main &bmain, GPUOffScreen *buffer)
void	compute_view_matrices (const ViewContext &view_context, const Scene &scene, const int2 &win_size, const float2 &zoom, const float2 &offset)
void	set_view_matrix (const RegionView3D &rv3d)
void	clear_view_matrix ()
void	set_projection_matrix (const RegionView3D &rv3d)
void	clear_projection_matrix ()
void	draw_dot (const float4x4 &transform, const float3 &position, const float point_size, const ColorGeometry4f &color)
void	draw_polyline (const float4x4 &transform, const IndexRange indices, Span< float3 > positions, const VArray< ColorGeometry4f > &colors, const bool cyclic, const float line_width)
static GPUUniformBuf *	create_shader_ubo (const RegionView3D &rv3d, const int2 &win_size, const Object &object, const eGPDstroke_Caps cap_start, const eGPDstroke_Caps cap_end, const bool is_fill_stroke)
static void	draw_grease_pencil_stroke (const float4x4 &transform, const RegionView3D &rv3d, const int2 &win_size, const Object &object, const IndexRange indices, Span< float3 > positions, const VArray< float > &radii, const VArray< ColorGeometry4f > &colors, const bool cyclic, const eGPDstroke_Caps cap_start, const eGPDstroke_Caps cap_end, const bool fill_stroke, const float radius_scale)
static void	draw_dots (const float4x4 &transform, const IndexRange indices, Span< float3 > positions, const VArray< float > &radii, const VArray< ColorGeometry4f > &colors, const float radius_scale)
void	draw_circles (const float4x4 &transform, const IndexRange indices, Span< float3 > centers, const VArray< float > &radii, const VArray< ColorGeometry4f > &colors, const float2 &viewport_size, const float line_width, const bool fill)
void	draw_lines (const float4x4 &transform, IndexRange indices, Span< float3 > start_positions, Span< float3 > end_positions, const VArray< ColorGeometry4f > &colors, float line_width)
void	draw_grease_pencil_strokes (const RegionView3D &rv3d, const int2 &win_size, const Object &object, const bke::greasepencil::Drawing &drawing, const float4x4 &transform, const IndexMask &strokes_mask, const VArray< ColorGeometry4f > &colors, const bool use_xray, const float radius_scale)

Variables
constexpr const bool	enable_debug_gpu_capture = true
constexpr const float	min_stroke_thickness = 0.05f

Function Documentation

clear_projection_matrix()

void blender::ed::greasepencil::image_render::clear_projection_matrix

(

)

Definition at line 202 of file grease_pencil_image_render.cc.

References GPU_matrix_identity_projection_set().

clear_view_matrix()

void blender::ed::greasepencil::image_render::clear_view_matrix

(

)

Definition at line 192 of file grease_pencil_image_render.cc.

References GPU_matrix_identity_set().

Referenced by draw_grease_pencil_strokes(), and blender::ed::sculpt_paint::grease_pencil_fill_overlay_cb().

compute_view_matrices()

void blender::ed::greasepencil::image_render::compute_view_matrices	(	const ViewContext &	view_context,
		const Scene &	scene,
		const int2 &	win_size,
		const float2 &	zoom,
		const float2 &	offset )

Set up the view matrix for world space rendering.

Parameters

win_size	Size of the render window.
zoom	Zoom factor to render a smaller or larger part of the view.
offset	Offset of the view relative to the overall size.

Definition at line 126 of file grease_pencil_image_render.cc.

References ViewContext::depsgraph, ED_view3d_update_viewmat(), ED_view3d_viewplane_get(), orthographic_m4(), perspective_m4(), blender::MatBase< T, NumCol, NumRow, Alignment >::ptr(), ViewContext::region, ViewContext::rv3d, ViewContext::v3d, rctf::xmax, rctf::xmin, rctf::ymax, and rctf::ymin.

create_shader_ubo()

static GPUUniformBuf * blender::ed::greasepencil::image_render::create_shader_ubo ( const RegionView3D & rv3d, const int2 & win_size, const Object & object, const eGPDstroke_Caps cap_start, const eGPDstroke_Caps cap_end, const bool is_fill_stroke )

static

Definition at line 261 of file grease_pencil_image_render.cc.

References blender::math::average(), copy_v2_v2(), data, GP_XRAY_3DSPACE, GPU_uniformbuf_create_ex(), and RegionView3D::pixsize.

Referenced by draw_grease_pencil_stroke().

draw_circles()

void blender::ed::greasepencil::image_render::draw_circles	(	const float4x4 &	transform,
		const IndexRange	indices,
		Span< float3 >	centers,
		const VArray< float > &	radii,
		const VArray< ColorGeometry4f > &	colors,
		const float2 &	viewport_size,
		const float	line_width,
		const bool	fill )

Draw points as circles.

Definition at line 395 of file grease_pencil_image_render.cc.

References blender::math::average(), GPU_COMP_F32, GPU_FETCH_FLOAT, GPU_PRIM_LINE_STRIP, GPU_PRIM_TRI_STRIP, GPU_SHADER_3D_FLAT_COLOR, GPU_SHADER_3D_POLYLINE_FLAT_COLOR, GPU_vertformat_attr_add(), immAttr4fv(), immBegin(), immBindBuiltinProgram(), immEnd(), immUnbindProgram(), immUniform1f(), immUniform2fv(), immVertex3fv(), immVertexFormat(), indices, blender::math::to_scale(), and blender::math::transform_point().

Referenced by blender::ed::sculpt_paint::grease_pencil_fill_overlay_cb().

draw_dot()

void blender::ed::greasepencil::image_render::draw_dot	(	const float4x4 &	transform,
		const float3 &	position,
		float	point_size,
		const ColorGeometry4f &	color )

Draw a dot with a given size and color.

Definition at line 207 of file grease_pencil_image_render.cc.

References attr_size(), GPU_COMP_F32, GPU_FETCH_FLOAT, GPU_PRIM_POINTS, GPU_program_point_size(), GPU_SHADER_3D_POINT_VARYING_SIZE_VARYING_COLOR, GPU_vertformat_attr_add(), immAttr1f(), immAttr4fv(), immBegin(), immBindBuiltinProgram(), immEnd(), immUnbindProgram(), immVertex3fv(), immVertexFormat(), M_SQRT2, and blender::math::transform_point().

draw_dots()

static void blender::ed::greasepencil::image_render::draw_dots ( const float4x4 & transform, const IndexRange indices, Span< float3 > positions, const VArray< float > & radii, const VArray< ColorGeometry4f > & colors, const float radius_scale )

static

Definition at line 357 of file grease_pencil_image_render.cc.

References attr_size(), GPU_COMP_F32, GPU_FETCH_FLOAT, GPU_PRIM_POINTS, GPU_program_point_size(), GPU_SHADER_3D_POINT_VARYING_SIZE_VARYING_COLOR, GPU_vertformat_attr_add(), immAttr1f(), immAttr4fv(), immBegin(), immBindBuiltinProgram(), immEnd(), immUnbindProgram(), immVertex3fv(), immVertexFormat(), indices, blender::bke::greasepencil::LEGACY_RADIUS_CONVERSION_FACTOR, min_stroke_thickness, and blender::math::transform_point().

Referenced by draw_grease_pencil_strokes().

draw_grease_pencil_stroke()

static void blender::ed::greasepencil::image_render::draw_grease_pencil_stroke ( const float4x4 & transform, const RegionView3D & rv3d, const int2 & win_size, const Object & object, const IndexRange indices, Span< float3 > positions, const VArray< float > & radii, const VArray< ColorGeometry4f > & colors, const bool cyclic, const eGPDstroke_Caps cap_start, const eGPDstroke_Caps cap_end, const bool fill_stroke, const float radius_scale )

static

Definition at line 286 of file grease_pencil_image_render.cc.

References create_shader_ubo(), GPU_COMP_F32, GPU_FETCH_FLOAT, GPU_PRIM_LINE_STRIP_ADJ, GPU_SHADER_GPENCIL_STROKE, GPU_uniformbuf_free(), GPU_vertformat_attr_add(), immAttr1f(), immAttr4fv(), immBeginAtMost(), immBindBuiltinProgram(), immBindUniformBuf(), immEnd(), immUnbindProgram(), immVertex3fv(), immVertexFormat(), indices, blender::bke::greasepencil::LEGACY_RADIUS_CONVERSION_FACTOR, min_stroke_thickness, and blender::math::transform_point().

Referenced by draw_grease_pencil_strokes().

draw_grease_pencil_strokes()

void blender::ed::greasepencil::image_render::draw_grease_pencil_strokes	(	const RegionView3D &	rv3d,
		const int2 &	win_size,
		const Object &	object,
		const bke::greasepencil::Drawing &	drawing,
		const float4x4 &	transform,
		const IndexMask &	strokes_mask,
		const VArray< ColorGeometry4f > &	colors,
		bool	use_xray,
		float	radius_scale = 1.0f )

Draw curves geometry.

Parameters

mode	Mode of eMaterialGPencilStyle_Mode.

Definition at line 507 of file grease_pencil_image_render.cc.

References BKE_object_material_get(), clear_view_matrix(), blender::bke::Curve, draw_dots(), draw_grease_pencil_stroke(), MaterialGPencilStyle::flag, blender::index_mask::IndexMask::foreach_index(), GP_MATERIAL_HIDE, GP_MATERIAL_MODE_DOT, GP_MATERIAL_MODE_LINE, GP_MATERIAL_MODE_SQUARE, GP_STROKE_CAP_ROUND, Material::gp_style, GPU_DEPTH_LESS_EQUAL, GPU_depth_mask(), GPU_depth_mask_get(), GPU_DEPTH_NONE, GPU_depth_test(), GPU_polygon_offset(), GPU_program_point_size(), MaterialGPencilStyle::mode, blender::bke::greasepencil::Drawing::radii(), set_view_matrix(), and blender::bke::greasepencil::Drawing::strokes().

Referenced by blender::ed::sculpt_paint::grease_pencil_fill_overlay_cb().

draw_lines()

void blender::ed::greasepencil::image_render::draw_lines	(	const float4x4 &	transform,
		IndexRange	indices,
		Span< float3 >	start_positions,
		Span< float3 >	end_positions,
		const VArray< ColorGeometry4f > &	colors,
		float	line_width )

Draw lines with start and end points.

Definition at line 479 of file grease_pencil_image_render.cc.

References GPU_COMP_F32, GPU_FETCH_FLOAT, GPU_line_width(), GPU_PRIM_LINES, GPU_SHADER_3D_FLAT_COLOR, GPU_vertformat_attr_add(), immAttr4fv(), immBeginAtMost(), immBindBuiltinProgram(), immEnd(), immUnbindProgram(), immVertex3fv(), immVertexFormat(), indices, and blender::math::transform_point().

Referenced by blender::ed::sculpt_paint::grease_pencil_fill_overlay_cb().

draw_polyline()

void blender::ed::greasepencil::image_render::draw_polyline	(	const float4x4 &	transform,
		IndexRange	indices,
		Span< float3 >	positions,
		const VArray< ColorGeometry4f > &	colors,
		bool	cyclic,
		float	line_width )

Draw a poly line from points.

Definition at line 228 of file grease_pencil_image_render.cc.

References GPU_COMP_F32, GPU_FETCH_FLOAT, GPU_line_width(), GPU_PRIM_LINE_STRIP, GPU_SHADER_3D_FLAT_COLOR, GPU_vertformat_attr_add(), immAttr4fv(), immBeginAtMost(), immBindBuiltinProgram(), immEnd(), immUnbindProgram(), immVertex3fv(), immVertexFormat(), indices, and blender::math::transform_point().

image_render_begin()

GPUOffScreen * blender::ed::greasepencil::image_render::image_render_begin

(

const int2 &

win_size

)

Create and off-screen buffer for rendering.

Definition at line 66 of file grease_pencil_image_render.cc.

References enable_debug_gpu_capture, GPU_clear_color(), GPU_clear_depth(), GPU_debug_capture_begin(), GPU_matrix_identity_projection_set(), GPU_matrix_identity_set(), GPU_matrix_push(), GPU_matrix_push_projection(), GPU_offscreen_bind(), GPU_offscreen_create(), GPU_RGBA8, and GPU_TEXTURE_USAGE_HOST_READ.

image_render_end()

Image * blender::ed::greasepencil::image_render::image_render_end	(	Main &	bmain,
		GPUOffScreen *	buffer )

Finish rendering and convert the off-screen buffer into an image.

Definition at line 92 of file grease_pencil_image_render.cc.

References BKE_image_add_from_imbuf(), BKE_image_release_ibuf(), ImBuf::byte_buffer, ImBufByteBuffer::data, ImBufFloatBuffer::data, enable_debug_gpu_capture, ImBuf::float_buffer, GPU_DATA_FLOAT, GPU_DATA_UBYTE, GPU_debug_capture_end(), GPU_matrix_pop(), GPU_matrix_pop_projection(), GPU_offscreen_free(), GPU_offscreen_height(), GPU_offscreen_read_color(), GPU_offscreen_unbind(), GPU_offscreen_width(), IB_rect, Image::id, ID_TAG_DOIT, IMB_allocImBuf(), IMB_rect_from_float(), and ID::tag.

region_init()

RegionViewData blender::ed::greasepencil::image_render::region_init	(	ARegion &	region,
		const int2 &	win_size )

Set up region to match the render buffer size.

Definition at line 44 of file grease_pencil_image_render.cc.

References data.

region_reset()

void blender::ed::greasepencil::image_render::region_reset	(	ARegion &	region,
		const RegionViewData &	data )

Restore original region size after rendering.

Definition at line 59 of file grease_pencil_image_render.cc.

set_projection_matrix()

void blender::ed::greasepencil::image_render::set_projection_matrix

(

const RegionView3D &

rv3d

)

Definition at line 197 of file grease_pencil_image_render.cc.

References GPU_matrix_projection_set, and RegionView3D::winmat.

set_view_matrix()

void blender::ed::greasepencil::image_render::set_view_matrix

(

const RegionView3D &

rv3d

)

Definition at line 187 of file grease_pencil_image_render.cc.

References GPU_matrix_set, and RegionView3D::viewmat.

Referenced by draw_grease_pencil_strokes().

Variable Documentation

enable_debug_gpu_capture

const bool blender::ed::greasepencil::image_render::enable_debug_gpu_capture = true

constexpr

Definition at line 42 of file grease_pencil_image_render.cc.

Referenced by image_render_begin(), and image_render_end().

min_stroke_thickness

const float blender::ed::greasepencil::image_render::min_stroke_thickness = 0.05f

constexpr

Definition at line 284 of file grease_pencil_image_render.cc.

Referenced by draw_dots(), and draw_grease_pencil_stroke().