Differential D9451 Diff 31329 source/blender/draw/engines/image/shaders/engine_image_vert.glsl

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source/blender/draw/engines/image/shaders/engine_image_vert.glsl

	#pragma BLENDER_REQUIRE(common_view_lib.glsl)			#pragma BLENDER_REQUIRE(common_view_lib.glsl)

	#define SIMA_DRAW_FLAG_DO_REPEAT (1 << 4)			#define IMAGE_DRAW_FLAG_DO_REPEAT (1 << 4)
				#define IMAGE_DRAW_FLAG_USE_WORLD_POS (1 << 5)
	#define IMAGE_Z_DEPTH 0.75			#define IMAGE_Z_DEPTH 0.75

	uniform int drawFlags;			uniform int drawFlags;

	in vec3 pos;			in vec3 pos;
	out vec2 uvs;			out vec2 uvs;

	void main()			void main()
	{			{
	/* `pos` contains the coordinates of a quad (-1..1). but we need the coordinates of an image			/* `pos` contains the coordinates of a quad (-1..1). but we need the coordinates of an image
	* plane (0..1) */			* plane (0..1) */
	vec3 image_pos = pos * 0.5 + 0.5;			vec3 image_pos = pos * 0.5 + 0.5;

	if ((drawFlags & SIMA_DRAW_FLAG_DO_REPEAT) != 0) {			if ((drawFlags & IMAGE_DRAW_FLAG_DO_REPEAT) != 0) {
	gl_Position = vec4(pos.xy, IMAGE_Z_DEPTH, 1.0);			gl_Position = vec4(pos.xy, IMAGE_Z_DEPTH, 1.0);
	uvs = point_view_to_object(image_pos).xy;			uvs = point_view_to_object(image_pos).xy;
	}			}
	else {			else {
	vec3 world_pos = point_object_to_world(image_pos);			vec3 world_pos = point_object_to_world(image_pos);
	vec4 position = point_world_to_ndc(world_pos);			vec4 position = point_world_to_ndc(world_pos);
	/* Move drawn pixels to the front. In the overlay engine the depth is used			/* Move drawn pixels to the front. In the overlay engine the depth is used
	* to detect if a transparency texture or the background color should be drawn.			* to detect if a transparency texture or the background color should be drawn.
	* Vertices are between 0.0 and 0.2, Edges between 0.2 and 0.4			* Vertices are between 0.0 and 0.2, Edges between 0.2 and 0.4
	* actual pixels are at 0.75, 1.0 is used for the background. */			* actual pixels are at 0.75, 1.0 is used for the background. */
	position.z = IMAGE_Z_DEPTH;			position.z = IMAGE_Z_DEPTH;
	gl_Position = position;			gl_Position = position;
	uvs = world_pos.xy;			/* UDIM texture uses the world position for tile selection. */
				uvs = ((drawFlags & IMAGE_DRAW_FLAG_USE_WORLD_POS) != 0) ? world_pos.xy : image_pos.xy;
	}			}
	}			}