X-Git-Url: https://harrygodden.com/git/?p=fishladder.git;a=blobdiff_plain;f=vg%2Fvg_lines.h;fp=vg%2Fvg_lines.h;h=0000000000000000000000000000000000000000;hp=b6f52bd385a685358b7ab3e429de9da1e460c058;hb=30490c4c08d5c0f811017a901aa9e25a95be7c40;hpb=3363633178b1eea582304742ad1202487af0feb1

diff --git a/vg/vg_lines.h b/vg/vg_lines.h
deleted file mode 100644
index b6f52bd..0000000
--- a/vg/vg_lines.h
+++ /dev/null
@@ -1,133 +0,0 @@
-// Copyright (C) 2021 Harry Godden (hgn) - All Rights Reserved
-
-SHADER_DEFINE( vg_line_shader, 
-
-	// VERTEX
-	"layout (location=0) in vec2 a_co;"
-	"layout (location=1) in vec4 a_colour;"
-	"uniform mat3 uPv;"
-	""
-	"out vec4 s_colour;"
-	""
-	"void main()"
-	"{"
-	"	vec4 vert_pos = vec4( uPv * vec3( a_co, 1.0 ), 1.0 );"
-	"  s_colour = a_colour;"
-	"	gl_Position = vert_pos;"
-	"}",
-	
-	// FRAGMENT
-	"out vec4 FragColor;"
-	""
-	"in vec4 s_colour;"
-	""
-	"void main()"
-	"{"
-	"	FragColor = s_colour;"
-	"}"
-	,
-	UNIFORMS({ "uPv" })
-)
-
-struct
-{
-	struct vg_lines_vert
-	{
-		v2f co;
-		u32 colour;
-	}
-	*buffer;
-	
-	GLuint vao, vbo;
-	u32 draw_idx, cap, buffer_size;
-}
-vg_lines;
-
-static void vg_lines_init(void)
-{
-	SHADER_INIT( vg_line_shader );
-	
-	glGenVertexArrays( 1, &vg_lines.vao );
-	glGenBuffers( 1, &vg_lines.vbo );
-	glBindVertexArray( vg_lines.vao );
-	
-	glBindBuffer( GL_ARRAY_BUFFER, vg_lines.vbo );
-	
-	vg_lines.cap = 10000;
-	vg_lines.buffer_size = vg_lines.cap * sizeof( struct vg_lines_vert );
-	
-	glBufferData( GL_ARRAY_BUFFER, vg_lines.buffer_size, NULL, GL_DYNAMIC_DRAW );
-	glBindVertexArray( vg_lines.vao );
-	
-	glVertexAttribPointer( 
-		0, 
-		sizeof( vg_lines.buffer[0].co ) / sizeof(float), 
-		GL_FLOAT, 
-		GL_FALSE, 
-		sizeof( struct vg_lines_vert ), 
-		(void *)0 
-	);
-	glEnableVertexAttribArray( 0 );
-	
-	glVertexAttribPointer( 
-		1, 
-		4, 
-		GL_UNSIGNED_BYTE, 
-		GL_TRUE, 
-		sizeof( struct vg_lines_vert ), 
-		(void*)(offsetof( struct vg_lines_vert, colour ))
-	);
-	glEnableVertexAttribArray( 1 );
-	vg_lines.buffer = malloc( vg_lines.buffer_size );
-}
-
-static void vg_lines_free(void)
-{
-	glDeleteVertexArrays( 1, &vg_lines.vao );
-	glDeleteBuffers( 1, &vg_lines.vbo );
-	
-	free( vg_lines.buffer );
-}
-
-static void vg_lines_drawall(float* projection)
-{
-	SHADER_USE( vg_line_shader );
-	glUniformMatrix3fv( SHADER_UNIFORM( vg_line_shader, "uPv" ), 1, GL_FALSE, projection );
-	
-	glBindVertexArray( vg_lines.vao );
-	glBindBuffer( GL_ARRAY_BUFFER, vg_lines.vbo );
-	
-	glBufferSubData( GL_ARRAY_BUFFER, 0, vg_lines.draw_idx * sizeof(struct vg_lines_vert), vg_lines.buffer );
-	glEnable( GL_BLEND );
-	glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
-	glBlendEquation( GL_FUNC_ADD );
-	
-	glDrawArrays( GL_LINES, 0, vg_lines.draw_idx );
-	
-	glDisable( GL_BLEND );
-	vg_lines.draw_idx = 0;
-}
-
-static void vg_line2( v2f from, v2f to, u32 fc, u32 tc )
-{
-	struct vg_lines_vert *v = vg_lines.buffer + vg_lines.draw_idx;
-	v2_copy( from, v[0].co );
-	v2_copy( to, v[1].co );
-	v[0].colour = fc;
-	v[1].colour = tc;
-	
-	vg_lines.draw_idx += 2;
-}
-
-static void vg_line( v2f from, v2f to, u32 colour )
-{
-	vg_line2( from, to, colour, colour );
-}
-
-static void vg_line_box( v2f min, v2f max, u32 colour )
-{
-	vg_line( min, (v2f){min[0],max[1]}, colour );
-	vg_line( (v2f){min[0],max[1]}, max, colour );
-	vg_line( max, (v2f){max[0],min[1]}, colour );
-	vg_line( (v2f){max[0],min[1]}, min, colour );
-}