Remove unused flag and code

Related #48894

drivers/gles3/rasterizer_canvas_gles3.h

@@ -63,7 +63,6 @@ class RasterizerCanvasGLES3 : public RendererCanvasRender {
 		FLAGS_TRANSPOSE_RECT = (1 << 10),
 
 		FLAGS_NINEPACH_DRAW_CENTER = (1 << 12),
-		FLAGS_USING_PARTICLES = (1 << 13),
 
 		FLAGS_USE_SKELETON = (1 << 15),
 		FLAGS_NINEPATCH_H_MODE_SHIFT = 16,

drivers/gles3/shaders/canvas.glsl

@@ -239,13 +239,6 @@ void main() {
 	model_matrix = model_matrix * transpose(mat4(instance_xform0, instance_xform1, vec4(0.0, 0.0, 1.0, 0.0), vec4(0.0, 0.0, 0.0, 1.0)));
 #endif // USE_INSTANCING
 
-#if !defined(USE_ATTRIBUTES) && !defined(USE_PRIMITIVE)
-	if (bool(read_draw_data_flags & FLAGS_USING_PARTICLES)) {
-		//scale by texture size
-		vertex /= read_draw_data_color_texture_pixel_size;
-	}
-#endif
-
 	vec2 color_texture_pixel_size = read_draw_data_color_texture_pixel_size;
 
 #ifdef USE_POINT_SIZE

drivers/gles3/shaders/canvas_uniforms_inc.glsl

@@ -14,7 +14,6 @@
 #define FLAGS_TRANSPOSE_RECT uint(1 << 10)
 // (1 << 11) is for FLAGS_CONVERT_ATTRIBUTES_TO_LINEAR in RD backends, unused here.
 #define FLAGS_NINEPACH_DRAW_CENTER uint(1 << 12)
-#define FLAGS_USING_PARTICLES uint(1 << 13)
 
 #define FLAGS_NINEPATCH_H_MODE_SHIFT 16
 #define FLAGS_NINEPATCH_V_MODE_SHIFT 18

servers/rendering/renderer_rd/renderer_canvas_render_rd.h

@@ -78,7 +78,6 @@ class RendererCanvasRenderRD : public RendererCanvasRender {
 		FLAGS_CONVERT_ATTRIBUTES_TO_LINEAR = (1 << 11),
 
 		FLAGS_NINEPACH_DRAW_CENTER = (1 << 12),
-		FLAGS_USING_PARTICLES = (1 << 13),
 
 		FLAGS_USE_SKELETON = (1 << 15),
 		FLAGS_NINEPATCH_H_MODE_SHIFT = 16,

servers/rendering/renderer_rd/shaders/canvas.glsl

@@ -193,13 +193,6 @@ void main() {
 		}
 	}
 
-#if !defined(USE_ATTRIBUTES) && !defined(USE_PRIMITIVE)
-	if (bool(draw_data.flags & FLAGS_USING_PARTICLES)) {
-		//scale by texture size
-		vertex /= draw_data.color_texture_pixel_size;
-	}
-#endif
-
 #ifdef USE_POINT_SIZE
 	float point_size = 1.0;
 #endif

servers/rendering/renderer_rd/shaders/canvas_uniforms_inc.glsl

@@ -14,7 +14,6 @@
 #define FLAGS_TRANSPOSE_RECT (1 << 10)
 #define FLAGS_CONVERT_ATTRIBUTES_TO_LINEAR (1 << 11)
 #define FLAGS_NINEPACH_DRAW_CENTER (1 << 12)
-#define FLAGS_USING_PARTICLES (1 << 13)
 
 #define FLAGS_NINEPATCH_H_MODE_SHIFT 16
 #define FLAGS_NINEPATCH_V_MODE_SHIFT 18